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1
Nee, M. J., A. Osterwalder, D. M. Neumark, C. Kaposta, C. Cibrián Uhalte, T. Xie, A. Kaledin, J. M. Bowman, S. Carter, and K. R. Asmis. "Experimental and theoretical study of the infrared spectra of BrHI− and BrDI−." Journal of Chemical Physics 121, no. 15 (October 15, 2004): 7259–68. http://dx.doi.org/10.1063/1.1794671.
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Knaus, Petra, and Walter Sebald. "Cooperativity of Binding Epitopes and Receptor Chains in the BMP/TGFß Superfamily." Biological Chemistry 382, no. 8 (August 28, 2001): 1189–95. http://dx.doi.org/10.1515/bc.2001.149.
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Abstract Bone morphogenetic proteins (BMP) are dimeric factors initiating several distinct signaling cascades by binding to two types of transmembrane serine/threonine kinase receptors (BRI and BRII), and are thus regulating several steps in embryonal development and adult tissue homeostasis. BMP-2 contains two symmetrical pairs of juxtaposed epitopes: the wrist epitope with high affinity to BRI consists of residues from both BMP-2 monomers, while the knuckle epitope resembles the low affinity site for BRII and comprises residues from only one monomer. Here we generated heterodimeric BMP-2 muteins with one monomer mutant in either epitope I for BRI (eI) or epitope II for BRII (eII) and the second monomer wild type for receptor interactions (m). These muteins (B2eI/B2m and B2eII/B2m) were analyzed by biosensor analysis as well as by measuring their biological activity and compared to their homodimeric forms (either wild type or mutant). Depletion of only one epitope II results in the loss of biological activity as measured by alkaline phosphatase (ALP) activity and Smad induced reportergene assays. However, depletion of only one epitope I shows a reduction of ALP activity to about 25%, while the activation of the Smad pathway remained normal. Homomeric muteins are nonfunctional for both Smad and ALP activation. This suggests that two functional epitopes II have to be present on one BMP-2 molecule for receptor activation. Futhermore, both pathways (Smad and ALP) are triggered differently by distinct BMPreceptor complexes. Heteromeric BMP-2 mutants therefore allow a distinguishable manipulation of either pathway and thus represent important tools for the generation of specific BMP-2 antagonists or agonists.
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Hartung, Anke, Keren Bitton-Worms, Maya Mouler Rechtman, Valeska Wenzel, Jan H. Boergermann, Sylke Hassel, Yoav I. Henis, and Petra Knaus. "Different Routes of Bone Morphogenic Protein (BMP) Receptor Endocytosis Influence BMP Signaling." Molecular and Cellular Biology 26, no. 20 (August 21, 2006): 7791–805. http://dx.doi.org/10.1128/mcb.00022-06.
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ABSTRACT Endocytosis is important for a variety of functions in eukaryotic cells, including the regulation of signaling cascades via transmembrane receptors. The internalization of bone morphogenetic protein (BMP) receptor type I (BRI) and type II (BRII) and its relation to signaling were largely unexplored. Here, we demonstrate that both receptor types undergo constitutive endocytosis via clathrin-coated pits (CCPs) but that only BRII undergoes also caveola-like internalization. Using several complementary approaches, we could show that (i) BMP-2-mediated Smad1/5 phosphorylation occurs at the plasma membrane in nonraft regions, (ii) continuation of Smad signaling resulting in a transcriptional response requires endocytosis via the clathrin-mediated route, and (iii) BMP signaling leading to alkaline phosphatase induction initiates from receptors that fractionate into cholesterol-enriched, detergent-resistant membranes. Furthermore, we show that BRII interacts with Eps15R, a constitutive component of CCPs, and with caveolin-1, the marker protein of caveolae. Taken together, the localization of BMP receptors in distinct membrane domains is prerequisite to their taking different endocytosis routes with specific impacts on Smad-dependent and Smad-independent signaling cascades.
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Wulf, Stefan. "„Schlagt das Hitlerei zu Brei.“." Medizinhistorisches Journal 55, no. 1 (2020): 47. http://dx.doi.org/10.25162/mhj-2020-0002.
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El-Gendy, Osama Rashad. "FUZZY BRK-IDEAL IN BRK-ALGEBRA." JP Journal of Algebra, Number Theory and Applications 36, no. 3 (July 22, 2015): 231–40. http://dx.doi.org/10.17654/jpantajun2015_231_240.
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Bhuiyan, MKA, L. Nahar, MM Mahbub, R. Shultana, MAJ Mridha, MA Rahman, and M. Kamruzzaman. "Yield Response and Nitrogen use Efficiency of Boro Rice Varieties as Affected by Different Methods of USG and Prilled Urea Application." Bangladesh Agronomy Journal 19, no. 1 (October 9, 2016): 1–10. http://dx.doi.org/10.3329/baj.v19i1.29863.
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An experiment was conducted at the Bangladesh Rice Research Institute (BRRI), Gazipur during Boro season of 2013-14 and 2014-15 to find out the nitrogen use efficiency and yield of boro rice var. BRRI dhan28 and BRRI dhan29 under four N management practices such as application of prilled urea using prilled urea applicator, application of USG (2.7gm) using USG applicator, broadcasting of prilled urea following three splits and a control (without urea). The experimental design was RCBD replicated thrice. BRRI dhan29 with urea broadcasted plots produced higher grain yield (7.38t ha-1) followed by BRRI dhan29 with USG application (6.65 t ha-1). Hand broadcasting with urea fertilizer showed 15.38.5and 2.5, 9.89% higher grain yield than machine application of prilled urea and USG in BRRI dhan28 and BRRI dhan29, respectively. Grain yield showed a significant quadratic response to N fertilization and significant linear response with total dry matter production in both the varieties. Higher total N was uptake from urea broadcasted plots in BRRI dhan29 followed by urea broadcasted from BRRI dhan28. BRRI dhan29 with Prilled urea applicator and BRRI dhan29 with USG treatment uptake intermediate nitrogen. N uptake in grain and total N uptake had a significant linear and quadratic response to N treatment in BRRI dhan28 and BRRI dhan29. Nitrogen use efficiency was higher in BRRI dhan29 compared to BRRI dhan28. Economic analysis showed that rice var. BRRI dhan28 and BRRI dhan29 with urea broadcast had the highest gross return of Tk.145145.00 and Tk. 158310.00 ha-1, respectively. However, the maximum cost (Tk. 151131) was involved for BRRI dhan29 with urea broadcasting, while the minimum with no urea fertilizer application for both the varieties. The highest marginal rate of return (MRR) (Tk.1146) was recorded from BRRI dhan28 with USG application using BRRI applicator.Bangladesh Agron. J. 2016, 19(1): 1-10
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Rambow, Amy A., Rachel C. Fernandez, and Alison A. Weiss. "Characterization of BrkA Expression inBordetella bronchiseptica." Infection and Immunity 66, no. 8 (August 1, 1998): 3978–80. http://dx.doi.org/10.1128/iai.66.8.3978-3980.1998.
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ABSTRACT BrkA confers resistance to killing by complement inBordetella pertussis. Complement resistance inBordetella bronchiseptica was examined. Four B. bronchiseptica strains possessed the brkA gene; however, only three expressed the protein. Only the strain lacking BrkA was susceptible to complement. Introduction of the B. pertussis brkA gene restored BrkA expression to this strain but did not confer resistance. brkA was mutated in the strains that naturally expressed BrkA, and loss of BrkA did not confer sensitivity to complement. As a species, B. bronchiseptica is more resistant to complement than B. pertussis, and BrkA does not mediate resistance.
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Sultana, Tania, S. Shamsi, and MA Bashar. "Prevalence of Fungi With Seeds of Twenty Brri Released Rice Varieties and Seed Quality Analysis." Journal of the Asiatic Society of Bangladesh, Science 44, no. 1 (June 25, 2018): 79–89. http://dx.doi.org/10.3329/jasbs.v44i1.46548.
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A total of 20 rice varieties of BRRI dhan 56 to BRRI dhan 75 were collected from Bangladesh Rice Research Institute (BRRI) for seed quality analysis, detection and identification of fungi associated with seeds of selected rice varieties. Dry inspection indicated that the percentage of pure seeds ranged from 90 - 100. The highest percentage of pure seed was found in BRRI dhan 66 and BRRI dhan 70 (100) and lowest in BRRI dhan 68 (90). A total of 21 fungal species were isolated from the selected rice varieties following “Blotter and Tissue Planting” methods. They were Alternaria padwickii, A. tenuissima, Aspergillus flavus, A. fumigatus, A. niger, A. ochraceus, A. clavatus, A. terreus, Bipolaris sorokiniana, B. spicifera, Chaetomium globosum, Curvularia lunata, Drechslera oryzae, Fusarium sp.1, Fusarium sp. 2, Nigrospora sp., Penicillium sp., Pestalotiopsis guepinii, Rhizopus stolonifer, Syncephalastrum racemosum and Trichoderma viride. Among them Penicillium sp., Drechslera oryzae, Aspergillus ochraceus, A. flavus, A. fumigatus, A. niger and Fusarium sp.1 were predominant in most of the rice varieties. In Tissue Planting method Drechslera oryzae showed the highest mean per cent frequency (6.69) and lowest was in the Bipolaris sorokiniana (0.41). Maximum total fungal association was recorded in variety BRRI dhan 61 (156.79%) and minimum in BRRI dhan 66 (24.69%). In Blotter method Penicillium sp. showed the highest mean per cent frequency (7.56) and lowest was in Rhizopus stolonifer (1.71). Maximum total fungal association was recorded in BRRI dhan 63 (147.37%) and minimum in BRRI dhan 65 (19.21%). Germination percentage of seeds was highest in BRRI dhan 66 (88) followed by BRRI dhan 67 (82), BRRI dhan 74 (80) and lowest in BRRI dhan69 (24). The percentage of seedling mortality was highest in BRRI dhan 63 (42) and lowest in BRRI dhan 74 (8.0) followed by BRRI dhan 67 (10). Correlation coefficient and regression analysis indicated that prevalence of fungi has significant effect on seed germination and seedling mortality. The present research work suggests that out of 20 BRRI rice varieties, BRRI dhan 65, BRRI dhan 66, BRRI dhan 67 and BRRI dhan 74 showed better performances on the basis of percentage of pure seed, fungal association, seed germination and seedling mortality.
Asiat. Soc. Bangladesh, Sci. 44(1): 79-89, June 2018
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Saha, Shukanta, Hasna Hena Begum, and Shamima Nasrin. "Effects of Drought Stress on Growth and Accumulation of Proline in Five Rice Varieties (Oryza Sativa L.)." Journal of the Asiatic Society of Bangladesh, Science 45, no. 2 (December 28, 2019): 241–47. http://dx.doi.org/10.3329/jasbs.v45i2.46597.
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A pot experiment was conducted to study the effect of drought stress on growth and accumulation of proline in five rice varieties namely BRRI dhan-30, BRRI dhan-32, BRRI dhan-34, BRRI dhan-38 and BRRI dhan-56 and to characterize them on the basis of their behavior of drought tolerance. Drought stress caused the decrease of growth like root length, shoot length, root fresh weight, shoot fresh weight, root dry weight, shoot dry weight, the ratio of root-shoot length. Among the rice varieties, BRRI dhan-56 showed the lowest decrease of growth of plant. BRRI dhan-56 showed the least decrease of water content in both root and shoot. On the other hand, the accumulation of proline was increased in five rice varieties under stress. BRRI dhan-56 showed the highest (3.7- folds) increase in the accumulation of proline in leaf under stress. This study suggests that BRRI dhan-56 may possess drought tolerance characteristics while BRRI dhan-30, BRRI dhan-32, BRRI dhan-34 and BRRI dhan-38 may be drought sensitive based on their growth and proline accumulation behavior.
Asiat. Soc. Bangladesh, Sci. 45(2): 241-247, December 2019
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Barman, HN, ME Hoque, RK Roy, PL Biswas, MAI Khan, and MO Islam. "Mature Embryo-Based in vitro Regeneration of Indica Rice Cultivars for High Frequency Plantlets Production." Bangladesh Rice Journal 20, no. 2 (September 29, 2017): 81–87. http://dx.doi.org/10.3329/brj.v20i2.34132.
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The study was conducted at Biotechnology Division of Bangladesh Rice Research Institute (BRRI) to investigate the effects of plant growing medium and plant growth regulator (PGR) for the callus induction and high frequency plantlets regeneration of indica rice. Ten indica rice varieties viz. BR5, BR11, BRRI dhan28, BRRI dhan29, BRRI dhan33, BRRI dhan41, BRRI dhan47, BRRI dhan48, BRRI dhan49 and BRRI dhan50 were cultured on MS, N6 and LS media. The MS medium was found better for callus induction as compared to N6 and LS media. Among the tested varieties BRRI dhan48 induced the highest percent and best quality callus. Interaction effects of BRRI dhan48 to MS medium yielded 71.55% callus induction. The regeneration efficiency of BRRI dhan48 was tested on MS medium supplemented with different combination of NAA plus BAP and NAA plus kinetin. MS medium supplemented with 2.0 mg L-1 NAA and 2.0 mg L-1 Kn was found the best in respect of percent regenerated (76.67%) plantlet as well as for the growth of plantlets in vitro.Bangladesh Rice j. 2016, 20(2): 81-87
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Saha, Shukanta, Hasna Hena Begum, Shamima Nasrin, and Rifat Samad. "Effects of drought stress on pigment and protein contents and antioxidant enzyme activities in five varieties of rice (Oryza sativa L.)." Bangladesh Journal of Botany 49, no. 4 (December 31, 2020): 997–1002. http://dx.doi.org/10.3329/bjb.v49i4.52516.
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Drought stress caused the decrease of pigment contents - chlorophyll a, chlorophyll b, chlorophyll a/b ratio, total chlorophyll content and carotenoids content of leaves of five rice varieties (var. BRRI Dhan-30, BRRI Dhan-32, BRRI Dhan-34, BRRI Dhan-38 and BRRI Dhan-56). Among five rice varieties, BRRI Dhan- 56 showed the least decrease of pigment content under stress. It caused the decrease of protein content of leaves of five rice varieties whereas BRRI Dhan-56 showed the least decrease (3.64%) of protein content under stress. On the other hand, drought stress increased CAT and SOD activities in the leaf of five varieties of rice and BRRI Dhan-56 showed the highest increase of CAT (37.67%) and SOD (94.17%) activity under stress. It may be assumed that higher antioxidant enzymes activities (CAT and SOD) and less reduction of protein content were related to the mechanisms of drought tolerance in rice. It is indicated that BRRI Dhan- 56 may be drought tolerant while BRRI Dhan-30, BRRI Dhan-32, BRRI Dhan-34 and BRRI Dhan-38 were drought sensitive rice varieties. Drought tolerant rice variety is selected based on pigment content, protein content and antioxidant enzymes activities (CAT and SOD).
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Salam, Md Tareq Bin, Biswajit Karmakar, S. M. Tanzim Hossain, Mehedi Hasan Robin, Most Zannatul Mariam, and Mehjabin Hossain. "Agronomic Performance of Modern Rice Varieties in South-west Bangladesh." Plant Science Today 6, no. 4 (October 27, 2019): 528–32. http://dx.doi.org/10.14719/pst.2019.6.4.632.
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An experiment was carried out in Boro season during November 2018 to April 2019 at two farmer’s fields of Batiaghata and Dumuria sub-district under Khulna district of Bangladesh with the objective of testing agronomic status and adaptability of four modern rice varieties in comparison with the popular mega variety BRRI dhan28. The varieties were BRRI dhan67, BRRI dhan81, BRRI dhan84 and BRRI dhan86. BRRI dhan28 was chosen as a control due to its wide acceptability among the farmers. The soil of the studied area was moderately alkaline and medium to moderately saline. In Batiaghata and Dumuria field, initial soil EC was 3.19 and 3.29 dS/m, respectively and it was 4.7 and 4.8 dS/m, accordingly at maturity stage. It was observed that germination rate, plant height, effective tiller number were significantly higher in BRRI dhan67 than the other varieties but insignificant with BRRI dhan28 (p?0.05) for both fields. All the yield components spikelets per panicle, filled grain and 1000-grain weight were also significantly higher in BRRI dhan67 in compared to the other varieties but insignificant with BRRI dhan28 (p?0.05) for both fields as well. The highest grain yield was observed in BRRI dhan67 in both plots (7.89 and 7.29 t/ha) and showed significant differences among all other varieties (p?0.05). Harvest Index of BRRI dhan67 (51.02±4.2, 57.84±8.6)% indicated that this variety is the best yielder among the varieties. Considering overall performances and facts, BRRI dhan67 showed better agronomic performance and adaptation than the other modern varieties in compare with popular mega BRRI dhan28.
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Muhammad Naufal Izza, Zumrotul Musyaiyadah, and Kharis Fadlullah Hana. "Kinerja Saham BRI Syariah Dengan BRI Konvensional." FreakonomicS: Journal of Islamic Economics and Finance 1, no. 1 (July 1, 2020): 67–85. http://dx.doi.org/10.36420/freakonomics.v1i1.26.
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Abstrak
Penelitian ini bertujuan untuk mengetahui dan menganalisis perbandingan kinerja bank BRI dengan bank BRI Syariah tahun 2018-2019 triwulan 2-4. Populasi dalam penelitian ini adalah perusahaan perbankan yang listing di Bursa Efek Indonesia dengan sampel yang diambil yaitu bank BRI dan BRI Syariah. Pengambilan sampel menggunakan metode purposive sampling. Pengumpulan data penelitian ini menggunakan metode studi pustaka serta metode dokumentasi. Uji coba instrument dianalisi dengan menggunakan uji normatif. Teknik analisis data menggunakan analisis fundamental. Hasil penelitian menunjukkan bahwa Kinerja saham antara bank BRI dengan BRI Syariah yang diukur dengan rasio Earning Per Share, Price to Book Value, Return on Asset, dan Dept to Equity Ratio menunjukkan perbedaan yang signifikan. Secara keseluruhan kinerja saham BRI lebih unggul dibandingkan kinerja saham BRI Syariah.Kata Kunci: Kinerja, Saham, Saham BRI Syariah, Saham BRI Regular
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El-Gendy, Osama. "Anti-fuzzy BRK-Ideal of BRK-Algebra." British Journal of Mathematics & Computer Science 10, no. 6 (January 10, 2015): 1–9. http://dx.doi.org/10.9734/bjmcs/2015/19309.
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Sh. Islam, M., ABM Zahid Hossain, MS Miah, SM Shahriar, and MAA Mamun. "Evaluation of Aus Rice (Oryza sativa L.) Production in Less Irrigated Situation in Northern Region of Bangladesh." Agriculturists 15, no. 1 (August 4, 2017): 110–15. http://dx.doi.org/10.3329/agric.v15i1.33434.
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Twenty one demonstrations and two validation trials were carried out at the farmers field in the northern region of Bangladesh during 2014 using Aus rice: variety BRRI dhan48 to enhance Aus (pre-monsoon) rice cultivation. Grain yields of 3.5 to 6.5 t ha-1 were obtained from demonstrations plots conducted in different farmers field. The validation trial was conducted in the farmers field at Mithapukur and Nilphamari Sadar Upazillas using BRRI dhan28 and BRRI dhan48 as Braus (rice grown between Boro and Aus season) after harvesting potato. Grain yield of about 5.0 t ha-1 was obtained from the rice variety BRRI dhan28, while 6.6 t ha-1 was obtained from BRRI dhan48. BRRI dhan48, due to its shorter growth duration (100-105 days) required 2-3 less irrigations. About 28-36% less irrigation water was required during dry season when BRRI dhan48 was used as Braus instead of BRRI dhan28 as a Boro crop. About 20 to 60% higher grain yield was observed in different farmers field with BRRI dhan48 over BRRI dhan28, which indicated that BRRI dhan48 is a potential rice variety during Aus or Braus season. BRRI dhan48 can be cultivated after Boro harvest or as Braus after potato harvest. The variety could also decrease the pressure on ground water utilization for rice cultivation during dry season. The Agriculturists 2017; 15(1) 110-115
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Khatun, Amina, MSU Bhuiya, and MA Saleque. "Response of nitrogen on yield and seed quality of Boro rice." Bangladesh Rice Journal 18, no. 1-2 (April 17, 2015): 24–32. http://dx.doi.org/10.3329/brj.v18i1-2.22997.
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Nitrogen (N), the most limiting nutrient in Bangladesh, for rice has been studied most rigorously, but its contribution to rice seed production remained relatively unexplored. An experiment was conducted during season (November-April) in 2009-10 at the Bangladesh Rice Research Institute experimental farm, Gazipur, Bangladesh, to evaluate the effect of N fertilizer on seed yield and its quality. The experiment included BRRI dhan28 and BRRI dhan29 and 0, 50, 100, 150, 200 and 250 kg ha-1 N rates. Seed yield increased significantly in a quadratic fashion with the increase of N rate both in BRRI dhan28 and BRRI dhan29. Application of N fertilizer increased seed yield by about 3-4 t ha-1 compared to control. The highest yield of 5.15 and 6.34 t ha-1 was obtained with 150 kg N ha-1 in BRRI dhan28 and BRRI dhan29 respectively. However, the predicted economic optimum doses of N appeared as 156 and 158 kg ha-1 for BRRI dhan28 and BRRI dhan29 respectively. Nitrogen application to rice seed crop did not impair seed quality in terms of germination, viability, vigour and seed color. The seed N concentration ranged from 0.94 to 1.31% in BRRI dhan28 and 0.85 to 1.07% in BRRI dhan29 among different N rates. The seed phosphorus concentration varied from 0.30 to 0.41% in BRRI dhan28 and 0.28 to 0.36% in BRRI dhan29 among different N rates. The seed K varied from 0.23 to 0.27% and 0.20 to 0.23% in BRRI dhan28 and BRRI dhan29 respectively, among different N rates. The average seed protein of BRRI dhan28 (6.59%) was significantly higher than that of BRRI dhan29 (5.68%). Seed N and protein content slightly increased with the increase of N rate. Nitrogen application did not influence phosphorus and magnesium content in rice seed. However, seed potassium slightly decreased with the N application.Bangladesh Rice j. 2014, 18(1&2): 24-32
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Bhuiyan, MKA, AJ Mridha, S. Singh, AK Srivastava, US Singh, MA Bari, and MA Ali. "Enhancing Rice Productivity through integration of Stress Tolerant Rice Varieties and Improved Nutrient Management Practices in Saline Areas of Bangladesh." Bangladesh Rice Journal 21, no. 1 (July 12, 2018): 77–89. http://dx.doi.org/10.3329/brj.v21i1.37387.
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The study was conducted in two locations of coastal districts Patuakhali and Satkhira during 2012 and 2013 T. Aman season. Stress tolerant rice varieties along with nitrogen application using prilled urea (PU), leaf color chart (LCC), urea super granule (USG), and rice crop manager (RCM) software based nitrogen (N) dose were examined. The objectives of the study were to identify the response of saline tolerant varieties to N fertilization on grain yield and profitability. Among the tested varieties, grain yield of BRRI dhan40, BRRI dhan41 and BRRI dhan54 were higher compared to BRRI dhan52 and BRRI dhan53 irrespective of location. There were no significant difference among the better performed varieties. Interaction effect of yield was significant in 2013 at Patuakhali but insignificant in both the locations in 2012. During 2013 in Patuakhali, the interaction effect of BRRI dhan40 × USG and BRRI dhan41 × USG produced higher grain yield and total N uptake. In Satkhira BRRI dhan54 and BRRI dhan40 performed better and produced higher grain yield and N uptake. Among the N application treatments USG application was the best compared to either LCC or RCM. The combination of BRRI dhan54×USG and BRRI dhan41×USG had more economic gains in both 2012 and 2013 in Patuakhali. The combination of BRRI dhan52×USG and BRRI dhan41×LCC appeared as themost profitable in Satkhira during 2013. Integration of saline tolerant varieties along with USG application could improve the yield of saline tolerant rice in saline environmentBangladesh Rice j. 2017, 21(1): 77-89
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Mamun, AFM, SK Mazumder, TP Suvo, and S. Akter. "Productivity of boro ratoon rice under different levels of nitrogen." International Journal of Agricultural Research, Innovation and Technology 9, no. 1 (September 1, 2019): 48–57. http://dx.doi.org/10.3329/ijarit.v9i1.42949.
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An experiment was carried out at the Agronomy Field, Sher-e-Bangla Agricultural University, Dhaka during November 2009 to July 2010 to study the effect of variety and varying levels of nitrogen application to ratoon crop of boro rice. Four varieties (BRRI hybrid dhan2, BRRI dhan29, BRRI dhan35 and BRRI dhan47) and four doses of nitrogen (0%, 25%, 50% and 75% N of recommended dose) were tested. These doses of N fertilizer were applied to the ratoon crop just after harvesting of the main crop leaving 15 cm stuble height above the ground level. Among the main crop BRRI hybrid dhan2 produced significantly highest grain yield (7.037 t ha-1). In the ratoon crop grain yield of BRRI hybrid dhan2 and BRRI dhan29 with all levels of N application produced significantly higher grain yield (710-917 kg ha-1). So, BRRI hybrid dhan2 and BRRI dhan29 with 25% extra N application could be considered for ratoon cropping.
Int. J. Agril. Res. Innov. & Tech. 9 (1): 48-57, June, 2019
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Matin, A., MA Siddiquee, S. Akther, MK Alam, and MS Ali. "A comparative study on chemical and cooking properties of abiotic stress tolerant and other high yielding rice varieties in Bangladesh." Bangladesh Journal of Agricultural Research 42, no. 4 (February 27, 2018): 673–79. http://dx.doi.org/10.3329/bjar.v42i4.35794.
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The experiment was conducted to know the chemical and cooking properties of nineteen BRRI released high yielding rice varieties (HYVs) including salinity, drought and submergence tolerant varieties. All the rice varities were grown in normal condition. Among the HYVs, amylose content of the varieties range from 19 to 27.0% and BRRI dhan47 contained the highest amylose content (27%). The highest amount of protein (9.3%) was found in BRRI dhan56 followed by BRRI dhan42 (9%) and BRRI dhan43 (8.8%). Alkali spreading value ranged from 3.0 to 7.0. Maximum cooking time (20.5 min.) was required in the variety of BRRI dhan40. Alkali spreading value was found significantly and negatively correlated with cooking time. The kernel elongation ratio was greater than 1.1 in all the varieties except BRRI dhan62. The imbibition ratio was greater than 3.0 in all the varieties except BRRI dhan43 and BRRI dhan61. There were no significant differences between non-abiotic and abiotic stress tolerant varities in respect of chemical and cooking properties because all varities were grown in normal condition.Bangladesh J. Agril. Res. 42(4): 673-679, December 2017
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Susanto, Sri Nurhari, and Kadek Cahya Susila Wibawa. "The Existence of The Indonesia Peatland Restoration Agency in Perspective of Organization and Authority." Administrative Law and Governance Journal 3, no. 1 (March 5, 2020): 92–103. http://dx.doi.org/10.14710/alj.v3i1.92-103.
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The Indonesia Peatland Restoration Agency (BRGI) is established with the legal basis of Presidential Regulation Number 1 Year 2016. BRGI is founded by coordinating and facilitating peatland restoration in several regions in Indonesia. BRGI is a non-structural institution which is under responsible to the President. BRGI is a state's auxiliary organ (agency or supporting / supporting body). In authority, BRGI can expand its tasks and functions given by the Presidential Regulation or outside the Article 2 and 3 of Presidential Regulation No. 1 2016. Article 30 section (1) clearly states that BRG conducts the duties for 5 (five) years and ends on December 31st, 2020. This is further strengthened by the provision of Article 31 which states that the Presidential Regulation is valid for five years from the enactment. The President with his prerogative has the authority whether to continue the existence of the BRGI or not, even though the Presidential Regulation clearly states the expiration of the institution. Keyword: The Indonesia Peatland Restoration Agency (BRGI), authority, prerogative. Abstrak Badan Restorasi Lahan Gambut Indonesia (BRGI) didirikan dengan dasar hukum Peraturan Presiden Nomor 1 Tahun 2016. BRGI didirikan dengan mengoordinasi dan memfasilitasi restorasi lahan gambut di beberapa daerah di Indonesia. BRGI adalah lembaga non-struktural yang bertanggung jawab kepada Presiden. BRGI adalah organ bantu negara (lembaga atau badan pendukung / pendukung). Dalam wewenangnya, BRGI dapat memperluas tugas dan fungsinya yang diberikan oleh Peraturan Presiden atau di luar Pasal 2 dan 3 Peraturan Presiden No. 1 2016. Pasal 30 ayat (1) dengan jelas menyatakan bahwa BRG melaksanakan tugas selama 5 (lima) tahun dan berakhir pada tanggal 31 Desember 2020. Hal ini semakin diperkuat dengan ketentuan Pasal 31 yang menyatakan bahwa Peraturan Presiden ini berlaku selama lima tahun sejak berlakunya. Presiden dengan hak prerogatifnya memiliki wewenang apakah akan melanjutkan keberadaan BRGI atau tidak, meskipun Peraturan Presiden dengan jelas menyatakan berakhirnya lembaga. Kata kunci: Badan Restorasi Lahan Gambut Indonesia (BRGI), otoritas, hak prerogatif.
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Sultana, Amena, Md Adil Badshah, Mst Selima Zahan, Shah Ashadul Islam, and Mohammad Issak. "Spikelet fertility improvement of Boro advanced line (CN6) through supplemented nutrient management." Research in Agriculture Livestock and Fisheries 7, no. 1 (April 26, 2020): 17–23. http://dx.doi.org/10.3329/ralf.v7i1.46827.
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The experiment was conducted in the Boro season of 2016-17, at Bangladesh Rice Research Institute (BRRI) farm under the Agro Ecological Zone (AEZ 28) Modhupur Tract. CN6 is a high spikelet bearing early maturing advanced line of rice but low in spikelet fertility. Supplemented nutrient management was examined to increase its spikelet fertility. Five treatments were used in this experiment. The treatments were as follows: T1 = BRRI recommended fertilizer dose + MgO @ 0.05%, T2 = BRRI recommended fertilizer dose + 60 g MoP + 60 g elemental S (80% wp) + 20 g ZnSO4, T3 = BRRI recommended fertilizer dose + Boron @ 5 ppm, T4 = BRRI recommended fertilizer dose + Copper @ 5 ppm) and T5 = BRRI recommended fertilizer dose alone. The experiment was conducted in Randomized Complete Block design with three replications. The results revealed that Treatment T3 (BRRI recommended fertilizer dose + Boron @ 5ppm) produced the more number of grains per panicle with an average of 201 which is 19.9% higher number of grains per panicle over the BRRI recommended fertilization under the treatment of T5. However, higher grain yield were recorded in treatment T3 compare to the control treatment T5 (BRRI recommended fertilization). Taken together, our results suggested that BRRI recommended fertilization alone with supplemented nutrient management, especially boron, significantly increased the spikelet fertility of the CN6 advanced line of Boro rice resulting higher yield.
Res. Agric., Livest. Fish.7(1): 17-23, April 2020
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Roy, Tapas Kumar, Swapan Kumar Paul, and Md Abdur Rahman Sarkar. "Influence of date of transplanting on the growth and yield performance of high yielding varieties of Boro rice." Journal of the Bangladesh Agricultural University 17, no. 3 (September 29, 2019): 301–8. http://dx.doi.org/10.3329/jbau.v17i3.43201.
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An experiment was conducted to find out the effect of variety, date of transplanting and its interaction on the growth and yield performance of high yielding Boro rice. The experiment comprised five varieties viz., BRRI dhan28, BRRI dhan58, BRRI dhan67, BRRI dhan69, BRRI dhan74 and five dates of transplanting viz., 15 December, 30 December, 15 January, 30 January and 15 February. The experiment was laid out in a randomized complete block design with three replications. Results revealed that growth parameters, crop characters, yield components and yield were significantly influenced by variety, date of transplanting and their interactions. The leaf area index (LAI) and dry matter production hill-1 were highest in BRRI dhan69 when transplanted on 15 January whereas the lowest value was found in BRRI dhan28 when transplanted on 15 February. The number of effective tillers hill-1 (11.80), number of grains panicle-1 (130.90), 1000-grain weight (22.07 g), grain yield (4.96 t ha-1) and straw yield (6.64 t ha-1) were highest in BRRI dhan69 whereas corresponding lowest values were recorded in BRRI dhan28. The crop transplanted on 15 January produced the highest number of effective tillers hill-1 (12.81), highest number of grains panicle-1 (131.20), heaviest 1000-grain weight (21.93 g), highest grain yield (5.36 t ha-1) and highest straw yield (7.71 t ha-1). In case of interaction, the highest grain (5.90 t ha-1) and straw yields (7.87 t ha-1) were recorded in BRRI dhan69 transplanted on 15 January whereas the lowest grain and straw yields were recorded in BRRI dhan28 transplanted on 15 February. Therefore, it can be concluded that BRRI dhan69 along with 15 January transplanting appears as the promising combination in terms of grain and straw yields.
J Bangladesh Agril Univ 17(3): 301–308, 2019
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Barnes, Michael G., and Alison A. Weiss. "BrkA Protein of Bordetella pertussisInhibits the Classical Pathway of Complement after C1 Deposition." Infection and Immunity 69, no. 5 (May 1, 2001): 3067–72. http://dx.doi.org/10.1128/iai.69.5.3067-3072.2001.
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ABSTRACT Bordetella pertussis produces a 73-kDa protein,BrkA (Bordetella resistance to killing), which inhibits the bactericidal activity of complement. In this study we characterized the step in the complement cascade where BrkA acts, using three strains: a wild-type strain, a strain containing an insertional disruption of brkA, and a strain containing two copies of the brkA locus. Following incubation with 10% human serum, killing was greatest for the BrkA mutant, followed by that for the wild-type strain, while the strain with two copies ofbrkA was the most resistant. Complement activation was monitored by enzyme-linked immunosorbent assay (ELISA) or Western blotting. ELISAs for SC5b-9, the soluble membrane attack complex, showed that production of SC5b-9 was greatest with thebrkA mutant, less with the wild type, and least with the strain containing two copies of brkA. Deposition of complement proteins on the bacteria was monitored by Western blotting. A decrease in deposition on the bacteria of C4, C3, and C9 corresponded with decreased complement sensitivity. Deposition of C1, however, was not affected by the presence of BrkA. These studies show that BrkA inhibits the classical pathway of complement activation and prevents accumulation of deposited C4.
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Zami, Mahbubul Alam, Md Altaf Hossain, M. A. Sayed, B. K. Biswas, and M. A. Hossain. "Performance Evaluation of the BRRI Reaper and Chinese Reaper Compared to Manual Harvesting of Rice (Oryza sativa L.)." Agriculturists 12, no. 2 (January 25, 2015): 142–50. http://dx.doi.org/10.3329/agric.v12i2.21743.
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Introduction of appropriate machinery is one of the major factors for reducing time and labor requirements, production cost and also to help fit another crop in between successive two crops. In this study, performance of the Bangladesh Rice Research Institute (BRRI) developed self-propelled reaper and an imported Chinese reaper were evaluated for rice harvesting and were compared with manual harvesting. The experiment was conducted at BRRI Regional station in Rajshahi and Rangpur during Boro 2012-13. Average field capacity of the BRRI reaper was 0.250 ha/hr and that of Chinese reaper was 0.203 ha/hr. The average field capacity of manual harvesting was 0.004 ha/hr. Labour requirements for rice harvesting including bundle making were 248 man-hr/ha, 69 man-hr/ha and 68 man-hr/ha for manual, Chinese reaper and BRRI reaper, respectively. On an average, 72 and 03% labour was saved by the BRRI reaper over those of manual harvesting and Chinese reaper, respectively. Harvesting costs were saved by BRRI reaper and Chinese reaper about 68 and 61%, respectively over that of manual harvesting. Average fuel consumption of Chinese reaper and BRRI reaper were 0.727 and 0.826 l/hr, respectively. The walking speed of BRRI reaper (3.78 km/hr) was 62% higher than that of Chinese reaper (2.33 km/hr). The purchase price of imported reaper is almost double than that of BRRI reaper. The BRRI reaper was, therefore, considered as a better machine for harvesting rice in Bangladesh.The Agriculturists 2014; 12(2) 142-150
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Biswas, A., M. M. E. Ahmed, T. Halder, S. Akter, R. Yasmeen, and M. S. Rahman. "Photosensitive Rice (Oryza sativa L.) Varieties under Delayed Planting as an Option to Minimize Rice Yield Loss in Flood Affected T. Aman Season." Bangladesh Rice Journal 23, no. 1 (March 23, 2020): 65–72. http://dx.doi.org/10.3329/brj.v23i1.46082.
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Photosensitive rice varieties have higher advantages in delayed planting. The present study was undertaken to figure out the degrees of delayed planting and evaluate the performance of six modern Aman rice varieties (BR11, BR22, BR23, BRRI dhan46, BRRI dhan54) against three sets of delayed planting. Each rice variety showed considerable variations for plant height, days to panicle initiation, flowering and maturity. BR22, BR23, and BRRI dhan54 showed a drastic reduction in days to panicle initiation and varied from 65 to 58 days, 69 to 60 days, and 62 to 55 days respectively, while it varied from 76 to 80 days for the control variety BR11. Similarly, days to flowering of BR22 and BRRI dhan54 showed a gradual decrease following different planting time and varied from 92 to 86 days, and 83 to 77 days respectively, while it varied from 109 to 107 days for the control variety BR11. For the above traits, BRRI dhan44 and BRRI dhan46 showed a moderate reduction depending on the three sets of planting time. Grain yield of BR22, BR23 reduced at the third set with a value ranging from 5.8 to 5.0 t/ha, 6.1 to 5.1 t/ha respectively, while BRRI dhan54 showed consistency in grain yield with a range from 5.3 to 5.2 t/ha. In contrast, grain yield of remaining rice varieties ranged between 5.7 to 4.5 t/ha for BRRI dhan46, 6.2 to 3.9 t/ha for BRRI dhan46 while severe reduction for the control variety BR11 with a range from 4.4 to 2.0 t/ha was observed. In conclusion, BRRI dhan54 was found more suitable rice variety in delayed planting compared with other photosensitive rice varieties. In future, BRRI dhan54 could be used as benchmark rice variety in a special rice breeding programme designed for delayed planting.
Bangladesh Rice j. 2019, 23(1): 65-72
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Jisan, MT, SK Paul, and M. Salim. "Yield performance of some transplant aman rice varieties as influenced by different levels of nitrogen." Journal of the Bangladesh Agricultural University 12, no. 2 (July 12, 2016): 321–24. http://dx.doi.org/10.3329/jbau.v12i2.28691.
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The experiment was carried out during the period of June to November 2013 at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh with a view to examine the yield performance of some transplant aman rice varieties as influenced by different levels of nitrogen. The experiment consisted of four varieties viz. BRRI dhan49, BRRI dhan52, BRRI dhan56, BRRI dhan57 and four levels of N viz. 0, 46, 60 and 75 kg ha-1. The experiment was laid out in a randomized complete block design with three replications. Variety, levels of N and their interactions exerted significant influence on yield contributing characters and yield of transplant aman rice. Among the varieties, BRRI dhan52 produced the tallest plant (117.20 cm), highest number of effective tillers hill-1 (11.28), grains panicle-1 (121.5) and 1000-grain weight (23.65 g) whereas the lowest values of these parameters were produced by BRRI dhan57. Highest grain yield (5.69 t ha-1) was obtained from BRRI dhan52 followed by BRRI dhan49 (5.15 t ha-1) and the lowest one (4.25 t ha-1) was obtained from BRRI dhan57. In case of N, the tallest plant (111.70 cm), highest number of total tillers hill-1 (12.34), grains panicle-1 (133.6), 1000-grain weight (24.55 g) and grain yield (5.64 t ha-1) were obtained from 75 kg N ha-1 and the lowest values were obtained from control. BRRI dhan52 fertilized with 75 kg N ha-1 showed best performance with respect to all the parameters studied. The overall results suggest that BRRI dhan52 should be fertilized with 75 kg N ha-1 for getting higher yield under the agro-climatic condition of BAU.J. Bangladesh Agril. Univ. 12(2): 321-324, December 2014
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Sen, R., NN Karim, MT Islam, and AKM Adham. "Estimation of supplemental irrigation for Aman rice cultivation in Bogra and Dinajpur districts of Bangladesh." Progressive Agriculture 28, no. 1 (June 9, 2017): 42–54. http://dx.doi.org/10.3329/pa.v28i1.32858.
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A study was carried out to analyze the rainfall and evapotranspiration for successful planning of two aman rice varieties i.e., BRRI dhan33 and BRRI dhan34 in Bogra and Dinajpur districts of Bangladesh. Reference crop evapotranspiration (ET0) was determined by employing the FAO Penman-Monteith method. By multiplying ET0by crop coefficient (Kc) actual evapotranspiration of the two rice varieties at different growth stages was determined. Probability analysis was done by Weibulls method and the expected rainfall and actual evapotranspiration at 75% probability level were estimated for different growth stages of BRRI dhan33 and BRRI dhan34 for 14 years. The results revealed that the ETc varied over the total growing season. After probability analysis, the supplemental irrigation was calculated for BRRI dhan33 during mid and late stages; but for BRRI dhan34, it was calculated during development, mid and late stages in Bogra and Dinajpur districts. The study was found quite effective to assess the water availability period for aman cultivation and to indicate when supplemental irrigation is necessary. These results may enable to optimize utilization of valuable water resources and will help to create an irrigation schedule for BRRI dhan33 and BRRI dhan34 for their successful cultivation.Progressive Agriculture 28 (1): 42-54, 2017
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Islam, M. R., M. A. K. Mian, and M. S. Ali. "SEED PRODUCTION FEASIBILITY STUDY ON SELECTED APPROVED RICE (Oryza sativa L.) HYBRID VARIETIES." Bangladesh Journal of Plant Breeding and Genetics 28, no. 1 (June 30, 2015): 23–28. http://dx.doi.org/10.3329/bjpbg.v28i1.27845.
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The seed production feasibility of approved hybrid varieties of rice were assessed using 15 commercially approved varieties comprising four public hybrids. Higher seed yield potentiality and earliness in maturity were the two most important indicators for popularizing hybrid rice variety in Bangladesh. The field performance of the approved hybrid rice varieties were found to vary significantly for different traits. Maximum outcrossing potential was observed in SL08HA followed by BRRI hybrid dhan2A but F1 seed yield per plant was the highest in BRRI hybrid dhan3A due to its high tillering ability followed by BRRI hybrid dhan2A, ACI1A and Heera2A. Among the tested entries F1 seed production potentiality of BRRI hybrid dhan3A was maximum indicated its commercial prospect of large scale seed production. Public bred hybrid BRRI hybrid dhan3 and BRRI hybrid dhan2 has immense potentiality for large scale commercialization but BRRI should ensure the quality of parental lines seed as well as supply sufficient amount of seeds according to the demand. Private company hybrids ACI1H and Heera2H have good commercial prospects but seed production under Bangladesh conditions needs to be fine tune.
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Khatun, Amina, M. K. Quais, A. A. Begum, M. A. Saleque, and M. S. U. Bhuiya. "Response of Medium and Long Duration Boro Rice Variety (Oryza sativa L.) to Nitrogen Fertilizer." Agriculturists 14, no. 2 (February 1, 2017): 48–60. http://dx.doi.org/10.3329/agric.v14i2.31347.
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A field experiment was conducted during November 2009-April 2010 in Bangladesh Rice Research Institute, Bangladesh to examine the response of two rice (Oryza sativa L.) varieties (BRRIdhan28 and BRRI dhan29) to six N rates of nitrogen fertilizer viz. 0, 50, 100, 150, 200 and 250 kg ha-1. The experiment was conducted in a RCB design with three replications. Grain yields of both BRRI dhan28 and BRRI dhan29 increased significantly in a quadratic fashion with N rates. The highest grain yields were obtained from 150 kg N ha-1 in both the varieties. More than 1 t ha-1 yield was obtained in BRRI dhan29 (6.34 t ha-1) at the same rate of N indicated BRRI dhan29 as a nitrogen efficient variety. However, the predicted economic optimum doses of N appeared to be 156 and 158 kg ha-1 for BRRI dhan28 and BRRI dhan29, respectively. The grain yield was mainly influenced by the number of panicles per hill, which was found to increase with the increase of N rates in both the varieties. The Agriculturists 2016; 14(2) 48-60
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Sarkar, SK, MAR Sarkar, N. Islam, and SK Paul. "Yield and quality of aromatic fine rice as affected by variety and nutrient management." Journal of the Bangladesh Agricultural University 12, no. 2 (July 12, 2016): 279–84. http://dx.doi.org/10.3329/jbau.v12i2.28683.
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An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, to study the yield and quality of aromatic fine rice as affected by variety and nutrient management during the period from June to December 2013. The experiment comprised three aromatic fine rice varieties viz. BRRI dhan34, BRRI dhan37 and BRRI dhan38, and eight nutrient managements viz. control (no manures and fertilizers), recommended dose of inorganic fertilizers, cowdung at 10 t ha-1, poultry manure at 5 t ha-1, 50% of recommended dose of inorganic fertilizers + 50% cowdung, 50% of recommended dose of inorganic fertilizers + 50% poultry manure, 75% of recommended dose of inorganic fertilizers + 50% cowdung and 75% of recommended dose of inorganic fertilizers + 50% poultry manure. The experiment was laid out in a randomized complete block design with three replications. The tallest plant (142.7 cm), the highest number of effective tillers hill(10.02), number of grains panicle (152.3), panicle length (-1 -122.71cm), 1000-grain weight (15.55g) and grain yield (3.71 t ha-1) were recorded in BRRI dhan34. The highest grain protein content (8.17%) was found in BRRI dhan34 whereas the highest aroma was found in BRRI dhan37 and BRRI dhan38. The highest number of effective tillers hill(11.59), number of grains panicle (157.6), panicle length (24.31 cm-1-1) and grain yield (3.97 t ha-1) were recorded in the nutrient management of 75% recommended dose of inorganic fertilizers + 50% cowdung (5 t ha-1). The treatment control (no manures and fertilizers) gave the lowest values for these parameters. The highest grain yield (4.18 t ha-1) was found in BRRI dhan34 combined with 75% recommended dose of inorganic fertilizers + 50% cowdung, which was statistically identical to BRRI dhan34 combined with 75% of recommended dose of inorganic fertilizers + 50% poultry manure and the lowest grain yield (2.7 t ha-1) was found in BRRI dhan37 in control (no manures and fertilizers). The highest grain protein content (10.9 %) was obtained in the interaction of BRRI dhan34 with recommended dose of inorganic fertilizers which was as good as that of BRRI dhan38 and 75% of recommended dose of inorganic fertilizers + 50% poultry manure. The highest aroma was found in BRRI dhan38 combined with 75% recommended dose of inorganic fertilizers + 50% cowdung.J. Bangladesh Agril. Univ. 12(2): 279-284, December 2014
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Paul, SK, MS Islam, MAR Sarkar, KR Das, and SMM Islam. "Impact of variety and levels of nitrogen on the growth performance of HYV transplant Aman rice." Progressive Agriculture 27, no. 1 (April 29, 2016): 32–38. http://dx.doi.org/10.3329/pa.v27i1.27532.
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An experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during June to December 2012 with a view to finding out the impact of variety and levels of nitrogen on the growth performance of transplant Aman rice. The experiment comprised four varieties viz. BRRI dhan33, BRRI dhan34, BRRI dhan39 and BRRI dhan46, and four levels of nitrogen viz. control (no urea), prilled urea (50 kg N ha-1), one pellet (0.9g) of USG/4 hills of two adjacent rows (30 kg N ha-1) was applied at 10 days after transplanting (DAT) and two pellets of USG (0.9g each) one applied at 10 DAT and the another at 45 DAT/4 hills of two adjacent rows (60 kg N ha-1). The experiment was laid out in a randomized complete block design with three replications. Results of the experiment showed that variety and levels of nitrogen had significant effect on plant height, number of tillers hill-1 and leaf area index (LAI) of HYV transplant Aman rice. At 15 and 75 DAT the tallest plant was found in BRRI dhan34 whereas at 30, 45 and 60 DAT the tallest plant was found in BRRI dhan39. BRRI dhan34 produced higher number of tillers hill-1 at 75 DAT which was as good as BRRI dhan33 and BRRI dhan46 while BRRI dhan39 produced higher LAI in compare to other varieties at all sampling dates. Two pellets of USG (0.9g each) one applied at 10 DAT and the another at 45 DAT/4 hills of two adjacent rows (60 kg N ha-1) can produced tallest plant, higher number tillers hill-1 and higher LAI at all dates of sampling. Among the interaction BRRI dhan34 fertilized with two pellets of USG (0.9g each) one applied at 10 DAT and another at 45 DAT/4 hills of two adjacent rows (60 kg N ha-1) appears as the promising combination in respect of growth performance of HYV transplant Aman rice.Progressive Agriculture 27 (1): 32-38, 2016
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Al Noor, Md Mahmud, Quazi Forhad Quadir, Jobadatun Naher, Zilhas Ahmed Jewel, Harun-or Rashid, Tusher Chakrobarty, Sultana Razia, and Ujjal Kumar Nath. "Inducing Variability in Rice for Enriched Iron and Zinc Content through In vitro Culture." Plant Tissue Culture and Biotechnology 29, no. 2 (December 2, 2019): 161–74. http://dx.doi.org/10.3329/ptcb.v29i2.44505.
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De-husked rice of four rice varieties viz., Iratom24, BRRI dhan 58, BRRI dhan 62 and Binnatoa was used to observe their regeneration efficacy and produce somaclones. MS supplemented with different combinations of plant growth regulators; MS + 2,4-D + BAP + NAA, MS + BAP + NAA + Kn + IAA and MS + IBA were used for callus induction, shoot regeneration and root induction, respectively. Transcendent frequency of callus was obtained in BRRI dhan58 (80.95%). MS supplemented with 1.5 mg/l 2, 4-D + 0.5 mg/l BAP + 0.5 mg/l NAA was found as the best for callus induction in BRRI dhan58. Maximum nutrient of shoot was found in BRRI dhan62 (80%) followed by BRRI dhan58 (66.66%). For shoot regeneration, MS supplemented with 1.5 mg/l BAP + 0.5 mg/l NAA + 0.5 mg/l Kn + 0.5 mg/l IAA performed better compared to other growth regulator combinations were tested. The highest numbers of roots were produced in all varieties under MS + 0.5 mg/l IBA media. BRRI dhan58 showed maximum number of plants was established at field condition after hardening. A total of 11, 17, 5 and 3 tissue derived plants was established in filed condition from Iratom24, BRRI dhan58, BRRI dhan62 and Binnatoa, respectively. Among the tissue culture variants, the variant number 36 derived from Binnatoa had the highest Fe 26.93 and 21.51 mg/l and Zn 42.67 and 38.84 mg/l contents in brown and polished rice grain, respectively. This high iron coupled with zinc content rice line could be the potential breeding material for developing Fe and Zn enriched rice cultivar.
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Islam, MN, MIU Sarkar, MH Ali, A. Islam, and PK Saha. "IPNS based fertilizer management for rice in coastal zone of Bangladesh." Bangladesh Journal of Agricultural Research 41, no. 4 (December 17, 2016): 667–73. http://dx.doi.org/10.3329/bjar.v41i4.30699.
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A series of field experiments were conducted at farmers fields under Ganges Tidal Floodplain (AEZ-13) during 2012-2014 to identify suitable fertilizer management practices for maximizing rice yield. The treatments were: T1 = AEZ basis BRRI recommended fertilizer dose (BRRI dose), T2 = Rice Straw (RS)/Cowdung (CD) + IPNS (Integrated Plant Nutrition System) basis fertilizer management (RS/CD+IPNS) and T3 = Farmers Practice (FP). BRRI dhan27 (T. Aus), BRRI dhan49 and BRRI dhan54 (T. Aman) and BRRI dhan29 and BRRI dhan47 (Boro) were used as test varieties of rice. All fertilizers except urea were applied at final land preparation. In T. Aus and T. Aman seasons, urea was applied in two equal splits as FP. In Boro season, urea was added in three equal splits as FP. Urea Super Granule (USG) was applied at 12-15 DAT for T1 and T2 treatments. Treatment RS + IPNS gave 19-27% higher grain yield over FP and it saved full dose of K and S and partial dose of P fertilizer. Treatment CD + IPNS gave a 10-16% higher grain yield over FP and it saved full dose of P, K and S fertilizer in T. Aus and T. Aman seasons. On the other hand, BRRI recommended fertilizer dose gave 7-15% higher grain yield over FP.Bangladesh J. Agril. Res. 41(4): 667-673, December 2016
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Lim, Shok Ping, Donal McLornan, Nikolaos Ioannou, David Darling, Alan G. Ramsay, Joop Gäken, and Ghulam J. Mufti. "Mir-181c Modulates T Cell Function By Regulating the Expression of BRK1." Blood 128, no. 22 (December 2, 2016): 132. http://dx.doi.org/10.1182/blood.v128.22.132.132.
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Abstract Introduction MicroRNAs (miRNAs) are short endogenous non-coding RNAs consisting of 18-25 nucleotides in length which influence gene expression and play pivotal roles in a diverse range of cellular processes. Aberrant miRNA expression has been implicated in a variety of cancers, including haematological malignancies. The miR-181 family plays a crucial role in haematopoiesis, including megakaryocytic, erythroid and myeloid differentiation and both B and T cell development and differentiation. We therefore focused our study on validating novel downstream targets of miR-181. Methods A novel functional assay utilising an optimised 3'UTR enriched library and a dual selection strategy (Gäken et al., 2012) was performed to identify biologically relevant targets of miR-181c. BRK1 (BRICK1, SCAR/WAVE Actin Nucleating Complex Subunit) was identified as a potential target and validation was performed by quantitative real time PCR and western blot analysis. Given the potential role of BRK1 in the Wiskott-Aldrich Syndrome Protein Family Verprolin-Homologous Protein-2 (WAVE2) complex and actin polymerisation in T cells, we investigated the influence of the miR-181c-BRK1 axis on T cell function. Knockdown of BRK1, using short hairpin RNA (shRNA) lentiviral vectors, and overexpression of miR-181c, via transfection with miR-181c expression vectors, were performed in Jurkat and primary T cells. T cell activation was examined by measurement of CD69 and CD154 expression and actin polymerisation was quantified by total cellular F-actin content. Immune synapse formation was studied by conjugate formation between T cells and antigen-pulsed B cells. Lastly, lamellipodia formation was investigated by assessing the ability of T cells to spread on anti-CD3 coated slides. Results Target genes downregulated by miR-181c were identified. One such target was BRK1, a component of the WAVE2 complex that has been shown to play a pivotal role in actin polymerisation. Validation experiments showed that overexpression and inhibition of miR-181c had no impact on BRK1 mRNA expression but did in fact modulate protein expression, suggesting that miR-181c regulates BRK1 at the translational level. We demonstrated that primary T cell activation resulted in downregulation of miR-181c and upregulation of BRK1 protein expression, further strengthening our hypothesis that the miR-181c-BRK1 axis may play an important role in T cell activation. Next, we found that loss of BRK1 resulted in reduced T cell activation as shown by decreased expression of CD69 and CD154. Furthermore, we showed that downregulation of BRK1 expression by shRNA resulted in reduced actin polymerisation after T cell stimulation. Reduced expression of BRK1 led to a marked reduction in the total area (in square micrometers) of F-actin accumulation at T cell contact sites and synapses with B cells indicating defective immune synapse formation. Moreover, reduced BRK1 expression resulted in defect in lamellipodia formation in response to T cell receptor stimulation. Similarly, ectopic expression of miR-181c in Jurkat T cells also led to a reduction in T cell activation and actin polymerisation coupled with defects in immune synapse and lamellipodia formation, hence confirming the important role of the miR-181c-BRK1 axis in T cell activation. Lastly, we demonstrated that suppression of BRK1 induced reduced expression of other pivotal proteins in the WAVE2 complex including WAVE2, Abi1 and Sra1. This suggests that impairment of actin polymerisation-dependent T cell functions were a result of instability of the WAVE2 complex following BRK1 suppression. Conclusion For the first time, we hereby demonstrate that BRK1 is a target of miR-181c. Moreover, we have highlighted the potential role of the miR-181c-BRK1 axis in impaired actin polymerisation-dependent T cell function and immune synapse formation. Deregulation of the miR-181c-BRK1 axis requires further evaluation in haematological malignancies. Disclosures No relevant conflicts of interest to declare.
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Islam, R., A. Mukherjee, and M. Hossin. "Effect of osmopriming on rice seed germination and seedling growth." Journal of the Bangladesh Agricultural University 10, no. 1 (October 2, 2012): 15–20. http://dx.doi.org/10.3329/jbau.v10i1.12013.
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The experiment was conducted in the Agronomy Laboratory of Agrotechnology Discipline, Khulna University, Khulna from 29th August to 17th September, 2009. The experiment was laid out in a Completely Randomized Design (CRD) with two factors and three replications. The aim of the experiment was to study the efficacy of three osmopriming agents viz ., NaCl, KC1 and CaCb with control on seed germination and seedling growth of three T. aman rice varities viz., BRRI dhan40, BRRI dhan41 and BINA dhan7. Among the chemicals CaCb showed best as osmopriming agents and it enhanced all germination parameters. BRRI dhan41 showed the best performance. Better root length and shoot length were observed in control. Seeds of BRRI dhan41 when treated with NaCl showed the highest germination percentage (98.67%), germination energy (88%), germination speed (96.83%), but vigor index (10.63) was found highest in BRRI dhan40 when it was treated with KC1. BRRI dhan41 produced the largest root (8.56 cm) when seeds were treated with NaCl. BRRI dhan40 (10.51 cm) and BINA dhan7 (10.53 cm) produced the highest shoot length at controlled condition and CaCl2 treated seed, respectively. DOI: http://dx.doi.org/10.3329/jbau.v10i1.12013 J. Bangladesh Agril. Univ. 10(1): 1520, 2012
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Aktar, Shaharia, Md Abdus Salam, Md Romij Uddin, Md Sohanur Rahman, Fakhar Uddin Talukder, and Shahin Imran. "INFLUENCE OF WEEDING REGIME AND INTEGRATED NUTRIENT MANAGEMENT ON THE YIELD PERFORMANCE OF TRANSPLANT AMAN RICE (CV. BRRI DHAN49)." Reviews In Food And Agriculture 1, no. 2 (September 23, 2020): 42–49. http://dx.doi.org/10.26480/rfna.02.2020.42.49.
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The purpose of this experiment is to study the combined effect of frequency of weeding and integrated nutrient management on the growth and yield of transplant aman rice (cv. BRRI dhan49). The experiment consisted of five weeding regimes and four integrated nutrient managements. The experiment was laid out in a randomized complete block design with three replications. The highest grain yield (5.80 t ha-1) was obtained from the interaction between weed free and 25% BRRI RD + 75% N from CD which was followed by the applications of pre-emergence herbicide + one hand weeding at 35 DAT and 25% BRRI RD + 75% N from CD treatment. The lowest grain (3.65 t ha-1) was found from the interaction between no weeding and BRRI recommended chemical fertilizers.The degree of statistical relationship between grain yield and number of effective tillers/hill, grain yield and straw yield of BRRI dhan49 exhibited positive relationship. From the results of the study it can be concluded that the application of 25% BRRI RD + 75% N from CD in weed free condition might be used for obtaining the best performance of BRRI dhan49.
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Maurseth, Anne Beate. "Radhouane Briki, L’Analogie chez Diderot." Recherches sur Diderot et sur l'Encyclopédie, no. 52 (December 1, 2017): 239–41. http://dx.doi.org/10.4000/rde.5527.
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Berthold, Norbert. "Mehrere Köche verderben den Brei." WiSt - Wirtschaftswissenschaftliches Studium 36, no. 2 (2007): 61. http://dx.doi.org/10.15358/0340-1650-2007-2-61.
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Bartha-Kovacs, Katalin. "R. Briki, L’analogie chez Diderot." Studi Francesi, no. 183 (LXI | III) (December 1, 2017): 550–51. http://dx.doi.org/10.4000/studifrancesi.10576.
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Kolbeck, Cornelia. "Viele Köche verderben den Brei." kma - Klinik Management aktuell 10, no. 05 (May 2005): 24–25. http://dx.doi.org/10.1055/s-0036-1573285.
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Der Gemeinsame Bundesausschusses (GBA) ist verpflichtet, Empfehlungen für eine sektoren- und berufsgruppenübergreifende Qualitätssicherung zu geben. Doch die Aufgabe scheint unlösbar: Es existieren zu viele unterschiedliche Ansätze in der Qualitätssicherung.
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Hummel, Sandra, Maren Pflüger, and Anette-G. Ziegler. "Den Zucker im Brei suchen." Forschung 34, no. 1 (March 2009): 10–12. http://dx.doi.org/10.1002/fors.200990012.
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Barzin, Petra, and Dirk Fox. "Die Köche und der Brei." Datenschutz und Datensicherheit - DuD 31, no. 12 (December 2007): 874. http://dx.doi.org/10.1007/s11623-007-0281-z.
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Mahmud, S., MM Hassan, MM Rahman, and M. Jannat. "Response of short duration aman rice varieties to date of transplanting." Journal of the Bangladesh Agricultural University 15, no. 1 (August 11, 2017): 1–6. http://dx.doi.org/10.3329/jbau.v15i1.33523.
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An experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during June to December, 2013 to investigate the response of some short duration aman rice varieties to date of transplanting. The experiment consisted of three transplanting dates viz. 26 July, 5 August and 15 August and seven short duration T. aman rice varieties viz. BRRI dhan33, BRRI dhan39, BRRI dhan49, BRRI dhan56, BRRI dhan57, BRRI hybrid dhan4 and Binadhan-7. The experiment was laid out in split plot design with three replications. Transplanting dates were allocated into the main plot and varieties into the sub plot. Results indicate that Binadhan-7 produced the highest grain yield (4.90 t ha1), straw yield (5.58 t ha1), biological yield (10.44 t ha1), and harvest index (47.10%). Lowest grain yield (3.27 t ha1), straw yield (3.96 t ha1) and biological yield (7.20 t ha1) were produced by BRRI dhan57. BRRI dhan49 had taken the longest field duration (120 DAT) while BRRI dhan57 had taken the shortest field duration (88 DAT). Plant height (119.12 cm), number of total tillers m-2 (276.40), number of effective tillers m2 (260.02), number of grains panicle1 (109.19), grain yield (4.75 t ha1), straw yield (5.22 t ha1), biological yield (9.97 t ha1) and harvest index (47.64%) were highest on 26 July transplanting; decreased on 5 August transplanting and drastically declined on 15 August transplanting. The present study concludes that the highest yield for short duration T. aman rice cultivation could be possible by Binadhan-7 transplanting on 26 July.J. Bangladesh Agril. Univ. 15(1): 1-6, January 2017
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Sultana, Amena, Md Adil Badshah, Mst Selima Zahan, Shah Ashadul Islam, Mohammad Rezaul Manir, and Mohammad Issak. "Micronutrient management in an advance line of rice (CN6) to increase the spikelet fertility under Aman season." Research in Agriculture Livestock and Fisheries 7, no. 1 (April 26, 2020): 51–59. http://dx.doi.org/10.3329/ralf.v7i1.46831.
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The experiment was conducted in the Aman season of 2016, at Bangladesh Rice Research Institute farm under the Agro Ecological Zone (AEZ 28) Modhupur Tract. The CN6 is a high spikelet bearing advanced line of rice but low in spikelet fertility. Micronutrient management was examined to increase its spikelet fertility. Five treatments were used in this experiment. The treatments were as follows: T1= BRRI recommended fertilizer dose + MgO @ 0.05%, T2 = BRRI recommended fertilizer dose + 60 g MoP + 60 g elemental S (80% wp) + 20 g ZnSO4, T3 = BRRI recommended fertilizer dose + Boron @ 5ppm, T4= BRRI recommended fertilizer dose + Copper @ 5ppm) and T5 = BRRI recommended fertilizer dose alone. The experiment was conducted in Randomized Complete Block design with three replications. The results indicated that Treatment T3 (BRRI recommended fertilizer dose + Boron @ 5ppm) produced the more number of grains per panicle with an average of 194 which is higher number of grains per panicle over the control treatment T5 (BRRI recommended fertilization alone). Treatment T4 produced the highest number of 1000- grains weight (17.9 g). However, highest grain yield was recorded in the treatment T4 with an average of 3.94 t ha-1 compare to the control treatment T5 (BRRI recommended fertilization alone). Second highest grain yield (3.70 t ha-1) was found under the treatment T2 followed by T1 (3.57 t ha-1) and T3 (3.57 t ha-1). The lowest grain yield was recorded in the control treatment T5 (BRRI recommended fertilization alone). Taken together, our results suggested that micronutrient management, especially copper and zinc, improved the spikelet fertility of an advanced line CN6 resulting higher yield.
Res. Agric., Livest. Fish.7(1): 51-59, April 2020
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Aditia Muara Padiarta, Anwar Sanusi; Hajam;. "SUFISM AND HYBRID SPIRITUALITY." Epistemé: Jurnal Pengembangan Ilmu Keislaman 14, no. 1 (June 19, 2019): 117–30. http://dx.doi.org/10.21274/epis.2019.14.1.117-130.
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This article aims to discuss a Sufi-inspired traditional art and performance popular in Cirebon, the so-called “Brai”. The Brai is a traditional Islamic Sufism music popular among the Cirebonese. This traditional music combines sounds, lyrics, and dance that invite the practitioners and audiences to exercise the spiritual stages through music. The Brai performance follows the hierarchy of Sufi-state of minds and spiritual stages (suluk and raka’at). Thus, as this article argues, the Brai is a par excellence model for the entanglement between Islam and local culture. The Brai is indeed a way of the Cirebonese both to introduce Sufi-form of Islam and provides a performance where the profane arts and spiritual-Islamic Sufims are mutually entangled.
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Oliver, David C., George Huang, and Rachel C. Fernandez. "Identification of Secretion Determinants of the Bordetella pertussis BrkA Autotransporter." Journal of Bacteriology 185, no. 2 (January 15, 2003): 489–95. http://dx.doi.org/10.1128/jb.185.2.489-495.2003.
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ABSTRACT The autotransporters comprise a functionally diverse family of gram-negative proteins that mediate their own export across the bacterial outer membrane. They consist of an amino-terminal passenger region called the “α-domain” and the structural hallmark of the autotransporter family, a carboxy-terminal transporter region usually referred to as the “β-domain.” The passenger region can be quite diverse and constitutes the effector functions of these proteins, whereas the C-terminal region is conserved and is responsible for translocating the passenger moiety across the outer membrane. BrkA is the 103-kDa autotransporter protein in Bordetella pertussis that is cleaved to yield a 73-kDa N-terminal α-domain and a 30-kDa C-terminal β-domain. We have previously shown that a recombinant form of the β-domain of BrkA is capable of forming channels in artificial membranes. Here, we define two additional secretion determinants of BrkA. N-terminal sequencing of the 73-kDa BrkA passenger from B. pertussis and Escherichia coli revealed that BrkA has a 42-amino-acid signal peptide. In addition, deletion analysis of BrkA identified a 31- to 39-amino-acid region found immediately upstream of the β-domain that was essential for surface expression. This 31- to 39-amino-acid linker region, together with the β-domain, defines the minimal BrkA translocation unit. The linker region may also serve to anchor the BrkA passenger to the bacterial surface.
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Debsharma, SK, PR Roy, RA Begum, and KM Iftekharuddaula. "Elucidation of Genotype × Environment Interaction for Identification of Stable Genotypes to Grain Yield of Rice (Oryza sativa L.) Varieties in Bangladesh Rainfed Condition." Bangladesh Rice Journal 24, no. 1 (April 30, 2021): 59–71. http://dx.doi.org/10.3329/brj.v24i1.53240.
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The research was evaluated in seven ecological zones throughout the country following randomized complete block design with three replications in each location. The combined analysis of variance for grain yield indicated that the differences among all sources of variation were highly significant (P<0.01). Environment (E), Genotype (G) and G × E interaction effects explained by 25.54%, 17.02% and 48.97% for inbred and 35.26%, 17.03%, 31.23% for hybrid of the total sum of square, respectively. Locations E2 (Chattogram); E3 (Dhaka) for inbred and E2 (Chattogram); E4 (Khulna); E5 (Rajshahi); E7 (Sylhet) for hybrid varieties were found most discriminating and more informative among all. Ideal environment was found in E6 (Rangpur) for inbred and E4 (Khulna) for hybrid varieties. According to GGE mean and stability biplot, the most stable genotypes were G18 (BRRI dhan34); G26 (BRRI dhan52); G28 (BRRI dhan57); G19 (BRRI dhan37); G13 (BR25); G27 (BRRI dhan56); G21 (BRRI dhan39) for inbred and G2 (BADC hybrid dhan-2); G4 (BADC hybrid dhan-6); G5 (Bayer hybrid dhan-4) for hybrid compared to the other genotypes. The ideal genotypes were found G18 (BRRI dhan34) for inbred and G26 (BRRI hybrid dhan6) for hybrid varieties. In summary, we identified stable genotypes adapted across the environments for grain yield. These genotypes can be used as commercial cultivation with sustainable production as well as a parent/pre-breeding material in future rice breeding program.
Bangladesh Rice J. 24 (1): 59-71, 2020
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Nihad, SAI, A. Ara, MM Rashid, MAI Hasan, MAI Khan, and MA Latif. "Genetic Divergence of Rice Genotypes Revealed by Bacterial Blight Disease and Morphological Traits." Bangladesh Rice Journal 24, no. 1 (April 30, 2021): 73–84. http://dx.doi.org/10.3329/brj.v24i1.53241.
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Bacterial blight is a perilous impediment for rice production. Resistant variety is a sustainable approach to fend off the loss of rice due to bacterial blight disease. In this study, 94 genotypes were screened against bacterial blight disease and its morphological diversity was assessed to find out the resistant donor with desirable morphological characters. Bacterial blight pathogen was inoculated following leaf clipping method for disease scoring. Out of 94 genotypes, 12 showed a resistant reaction, 13 showed moderately resistant reaction and 69 genotypes showed a susceptible reaction. Positive correlation was recorded between yield and most of the morphological characters. Yield hill─1 was significantly correlated with the number of tiller hill─1 (0.503**), number of effective tiller hill─1 (0.538**), total number of spikelets panicle─1 (0.595**), number of filled grain panicle─1 (0.595**), number of unfilled spikelet panicle─1 (0.239*) and 1000 grain weight hill─1 (0.843**). Eleven quantitative characters grouped 94 rice genotypes in 16 clusters at coefficient 3.38 and it indicated the presence of great amount diversity among the genotypes. Principal component analysis (PCA) supported the cluster analysis and the first four principal components explained around 70.99% of total divergence for all morphological characters. Principal coordinate analysis (PCoA) demonstrated that the genotypes BR8862-29-1-5-1-3, SVIN301, SVIN321, BR9207-45-2-2, SVIN018, lRBB5, SVIN038, BRRI dhan28 and BRRI dhan29 were placed in distant position from the centroid and it indicated that they were more diverse than the genotypes near the centroid. However, based on disease reaction and genetic diversity analysis crossing could be made between, resistant genotypes such as SVIN317, SVIN017, SVIN316, SVIN313, SVIN315, SVIN314, SVIN038, SVIN307, SVIN302, SVIN304 with the susceptible variety more specifically with BRRI dhan28, BRRI dhan29, BRRI dhan50, BRRI dhan58, BRRI dhan63, BRRI dhan74, BRRI dhan81 and BRRI dhan84 to develop bacterial blight resistant variety.
Bangladesh Rice J. 24 (1): 73-84, 2020
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Pervin, MS, T. Halder, M. Khalequzzaman, MA Kader, TL Aditya, and R. Yasmeen. "Genetic Diversity and Screening of Rice (Oryza sativa L.) Genotypes for Drought Tolerance at Reproductive Phase." Bangladesh Rice Journal 21, no. 1 (July 12, 2018): 27–34. http://dx.doi.org/10.3329/brj.v21i1.37375.
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Drought is a major abiotic constraint for growing rain-fed rice in Bangladesh. A total of 175 rice genotypes were evaluated using field-managed screening protocol to identify reproductive phase drought tolerant genotypes at Bangladesh Rice Research Institute, Gazipur, Bangladesh. Twelve morpho-physiological characters viz, growth duration, plant height, tiller number per plant, panicle number per plant, panicle length, filled grain number per plant, sterility percentage, filled grain weight per plant, 1000 grain weight (TGW), straw weight per plant, harvest index (HI) and percent yield reduction were recorded. Multivariate analysis was carried out by using software Genstat 5.5 to measure genetic divergence among the rice genotypes. In total 175 genotypes were constellated into ten clusters in which the cluster I exhibited maximum genetic distances from cluster V and the lowest genetic distance was between cluster II and X. Inter-cluster distances were higher than the intra-cluster distances suggesting wider genetic diversity among the genotypes of different clusters and homogeneity among the genotypes within the cluster. Among the 12 studied characters percent yield reduction contributed maximum towards total divergence in the genotypes, which revealed that these parameters contributed more to grain yield under drought stress. The genotypes of cluster I namely Canthi bakla (BRRI Genebank Acc. No. 7279), Nizersail (BRRI Genebank Acc. No. 7281), Hashim (BRRI Genebank Acc. No. 7283), Uricheora (BRRI Genebank Acc. No. 7311), Goura Kajol (BRRI Genebank Acc. No. 7312), Chini Sail (BRRI Genebank Acc. No. 7343), Tall Biruin (BRRI Genebank Acc. No. 7355), Sakkar Khora (BRRI Genebank Acc. No. 7506) and Boaincha Biruim (BRRI Genebank Acc. No. 7573) performed better under drought stress, which could be used in the crossing programme as donor parent for the development of varietyBangladesh Rice j. 2017, 21(1): 27-34
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Islam, MS, SK Paul, and MAR Sarkar. "Varietal performance of modern transplant Aman rice subjected to level of nitrogen application." Journal of the Bangladesh Agricultural University 12, no. 1 (December 20, 2014): 55–60. http://dx.doi.org/10.3329/jbau.v12i1.21239.
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An experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during June to December 2012 with a view to finding out the effect of variety and nitrogen fertilizer application on the growth and yield of transplant Aman rice. The experiment comprised four varieties viz. BRRI dhan33, BRRI dhan34, BRRI dhan39 and BRRI dhan46, and four levels of nitrogen viz. control (no urea), prilled urea (50 kg N ha-1), one pellet (0.9g) of USG/4 hills of two adjacent rows (30 kg N ha-1) was applied at 10 DAT and two pellets of USG (0.9g each) one applied at 10 DAT and the other at 45 DAT/4 hills of two adjacent rows (60 kg N ha-1). The experiment was laid out in a randomized complete block design with three replications. Results of the experiment showed that variety and level of nitrogen application had significant effect on yield attributes and yield of transplant Aman rice. At maturity the tallest plant (122.60 cm) and the highest number total tillers hill-1 (12.72) were observed in two pellets of USG/4 hills providing 60 kg N ha-1. The highest number of tillers hill-1 (10.08) was obtained from BRRI dhan34 and the lowest one (9.88) from BRRI dhan33. The highest grain yield was obtained from BRRI dhan46 (4.56 t ha-1) and the lowest one (3.27 t ha-1) was obtained from BRRI dhan34. The interaction reveals that the highest grain yield (5.61 t ha-1) was obtained from the treatment combination of BRRI dhan46 with two pellets of USG (0.9g each) applied one at 10 DAT and the other at 45 DAT.DOI: http://dx.doi.org/10.3329/jbau.v12i1.21239 J. Bangladesh Agril. Univ. 12(1): 55-60, June 2014