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Journal articles on the topic 'Botany Growth'

Author: Grafiati
Published: 11 December 2022
Last updated: 25 January 2023

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1

Pitt, Kylie A., and Michael J. Kingsford. "Temporal and spatial variation in recruitment and growth of medusae of the jellyfish, Catostylus mosaicus (Scyphozoa : Rhizostomeae)." Marine and Freshwater Research 54, no. 2 (2003): 117. http://dx.doi.org/10.1071/mf02110.

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The timing of recruitment and growth of medusae of the commercially harvested jellyfish, Catostylus mosaicus (Scyphozoa), was examined over a period of 8 years at Botany Bay and 2.5 years at Lake Illawarra in New South Wales, Australia. Recruitment events occurred sporadically during December and between March and July at Botany Bay and between February and July at Lake Illawarra. Recruitment did not occur during late winter or spring at either location, although small numbers of recruit medusae could potentially occur during any time of year. Despite anecdotal observations that recruitment sometimes occurred after periods of heavy rain, we found no correlation between the timing of recruitment and rainfall in Botany Bay over a period of 8 years. Cohort analyses indicated growth of small medusae was very rapid (max. 4.81 mm day–1), with growth rates decreasing as medusae grew larger. Medusae appeared to grow faster at Botany Bay than Lake Illawarra. A conservative estimate indicated medusae of C. mosaicus can live for up to 13 months.
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2

Hagen, Joel B., Elizabeth B. Keeney, and Richard A. Overfield. "Amateurs, Professionals, and the Growth of American Botany." Reviews in American History 22, no. 1 (March 1994): 133. http://dx.doi.org/10.2307/2703359.

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3

Jamonnak, Suphanut, and En Cheng. "Little Botany: A Mobile Game Utilizing Data Integration to Enhance Plant Science Education." International Journal of Computer Games Technology 2017 (2017): 1–14. http://dx.doi.org/10.1155/2017/3635061.

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Mobile devices are rapidly becoming the new medium of educational and social life for young people, and hence mobile educational games have become an important mechanism for learning. To help school-aged children learn about the fascinating world of plants, we present a mobile educational game called Little Botany, where players can create their own virtual gardens in any location on earth. One unique feature of Little Botany is that the game is built upon real-world data by leveraging data integration mechanism. The gardens created in Little Botany are augmented with real-world location data and real-time weather data. More specifically, Little Botany is using real-time weather data for the garden location to simulate how the weather affects plants growth. Little Botany players can learn to select what crops to plant, maintain their own garden, watch crops to grow, tend the crops on a daily basis, and harvest them. With this game, users can also learn plant structure and three chemical reactions.
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4

Carlsbecker, Annelie, and Frauke Augstein. "Xylem versus phloem in secondary growth: a balancing act mediated by gibberellins." Journal of Experimental Botany 72, no. 10 (May 4, 2021): 3489–92. http://dx.doi.org/10.1093/jxb/erab148.

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This article comments on: Ben-Targem M, Ripper D, Bayer M, Ragni L. 2021. Auxin and gibberellin signaling cross-talk promotes hypocotyl xylem expansion and cambium homeostasis. Journal of Experimental Botany 72, 3647–3660.
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Ahemad, Munees. "A Comparative Analysis of the Growth Parameters of Different Legume Crops Grown Inquizalafop-p-ethyl Applied Soils." Insight Botany 2, no. 1 (January 1, 2012): 1–6. http://dx.doi.org/10.5567/botany-ik.2012.1.6.

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6

Lorenzo, Oscar. "bZIP edgetic mutations: at the frontier of plant metabolism, development and stress trade-off." Journal of Experimental Botany 70, no. 20 (October 15, 2019): 5517–20. http://dx.doi.org/10.1093/jxb/erz298.

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This article comments on: Garg A, Kirchler T, Fillinger S, Wanke F, Stadelhofer B, Stahl M, Chaban C. 2019. Targeted manipulation of bZIP53 DNA-binding properties influences Arabidopsis metabolism and growth. Journal of Experimental Botany 70, 5659–5671.
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7

Juárez-Corona, Ángela G., and Stefan de Folter. "ANT and AIL6: masters of the master regulators during flower development." Journal of Experimental Botany 72, no. 15 (July 28, 2021): 5263–66. http://dx.doi.org/10.1093/jxb/erab235.

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This article comments on: Krizek BA, Bantle AT, Heflin JM, Han H, Freese NH, Loraine AE. 2021. AINTEGUMENTA and AINTEGUMENTA-LIKE6 directly regulate floral homeotic, growth, and vascular development genes in young Arabidopsis flowers. Journal of Experimental Botany 72, 5478–5493.
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Cameron, J. Scott. "206 HORTICULTURAL SCIENCE AND FORENSIC SCIENCE: THE POTENTIAL CONTRIBUTION OF HORTICULTURAL SCIENTISTS AT CRIME SCENES." HortScience 29, no. 5 (May 1994): 458f—459. http://dx.doi.org/10.21273/hortsci.29.5.458f.

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The criminal justice system is served by many experts who provide special assistance to law enforcement professionals during criminal investigations. One of these specialized areas. forensic botany, has traditionally been an activity of the systematic botanist who identifies plant material associated with a suspect or crime scene. From this Information, suspects can be placed at crime scenes and information such as time of death or movement of victims can be determined. Few plant scientists are involved In this emerging field which has the potential to make contributions similar to those made today by forensic anthropology. Plant scientists with training In systematic botany, plant anatomy, plant growth and development, and statistics and probability can make significant contributions to criminal investigations. The use of plant identification and plant growth analyses In recent criminal Investigations will be described. The role of horticulture in the future of forensic science and the development of new techniques In forensic plant science will also be discussed.
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9

Cocking, Edward C. "Robert Brown. 29 July 1908 – 13 July 1999." Biographical Memoirs of Fellows of the Royal Society 49 (January 2003): 69–81. http://dx.doi.org/10.1098/rsbm.2003.0004.

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It was Robert Brown who brought botany into the mainstream of developmental biology, integrating plant physiology, cell biology, biochemistry and molecular biology into a holistic view of plant growth. Robert's scientific legacy is not just what he himself accomplished but also what he inspired others to do.
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10

Lay-Pruitt, Katerina S., and Hideki Takahashi. "Integrating N signals and root growth: the role of nitrate transceptor NRT1.1 in auxin-mediated lateral root development." Journal of Experimental Botany 71, no. 15 (July 25, 2020): 4365–68. http://dx.doi.org/10.1093/jxb/eraa243.

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This article comments on: Maghiaoui A, Bouguyon E, Cuesta C, Perrine-Walker F, Alcon C, Krouk G, Benková E, Nacry P, Gojon A and Bach L. 2020. The Arabidopsis NRT1.1 transceptor coordinately controls auxin biosynthesis and transport to regulate root branching in response to nitrate. Journal of Experimental Botany 71, 4480–4494.
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11

张, 燕. "Growth Character and Seedling-Raising Technique of Native Gardens Botany Malian Flower." Hans Journal of Agricultural Sciences 08, no. 10 (2018): 1145–48. http://dx.doi.org/10.12677/hjas.2018.810168.

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12

Raven, John A. "Nucleic acid requirement of plants from low phosphorus habitats. A Commentary on: Foliar nutrient-allocation patterns in Banksia attenuata and Banksia sessilis differing in growth rate and adaptation to low-phosphorus habitats." Annals of Botany 128, no. 4 (July 23, 2021): iv—vi. http://dx.doi.org/10.1093/aob/mcab084.

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This article comments on: Zhongming Han, Jianmin Shi, Jiayin Pang, Li Yan, Patrick M. Finnegan and Hans Lambers. Foliar nutrient allocation patterns in Banksia attenuata and Banksia sessilis differing in growth rate and adaptation to low-phosphorus habitats, Annals of Botany, Volume 128, Issue 4, 03 September 2021, Pages 419–430, https://doi.org/10.1093/aob/mcab013
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13

Shukla, Shashi Kant, Awadhesh Kumar, and Anupam Dikshit. "Impact of Pseudomonas putida on the Growth Parameters of Fenugreek (Trigonella foenum- graecum L.): A Traditional Herbal Boon for Rural Areas." Science & Technology Journal 5, no. 2 (July 1, 2017): 93–96. http://dx.doi.org/10.22232/stj.2017.05.02.04.

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The present study aims the impact of Pseudomonas putida on different growth parameters of Trigonella sp., a leguminous plant to support the requirement of food, protein along with their medicinal value in the rural areas of India. A pot experiment was arranged based on completely randomized design with four replications at Biological Product Laboratory, Botany Department, University of Allahabad. Treatments were given at the seed level with one of control. Results indicated that application of P. putida significantly improved vegetative growth and showed an edge on the growth of the fenugreek as compared to the control.
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Kumar, Rajeev, Sanjeev Kumar, Anil Kumar, B. B. Singh, Ravendra Singh, and Pradeep Kumar. "Effect of various levels of nitrogen on growth, yield and quality of fodder maize." International Journal of Agricultural Invention 2, no. 02 (November 25, 2017): 197–200. http://dx.doi.org/10.46492/ijai/2017.2.2.15.

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A field experiment was conducted in the Department of Agricultural Botany, Janta Mahavidiyalaya Ajeetmal, Auraiya (C. S. J. M. University, Kanpur) during 2014, to evaluate the effect of various levels of nitrogen on growth, yield and quality of fodder maize. 3 treatments were taken up (viz.,T1 75, T2 100 and T3 125 kg nitrogen ha-1 along with control (T0).Plant height, dry matter accumulations (t ha-1), forage yield (t ha-1) increased with increasing levels of nitrogen, while stem diameters (cm), leaf area (cm2), fresh weight (g), crude protein percent decreased with increasing levels of nitrogen.
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15

Gao, Si Cong, Gang Chen, Zhong Liang Fu, and Peng Xiang Liu. "A Functional-Structural Model of Virtual Plant Based on the Labeling Algorithm and the Growth State Chain." Applied Mechanics and Materials 543-547 (March 2014): 2075–83. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.2075.

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According to the structural characteristics of the plant itself, this paper Improved plant topology parsing classic language L-system and defined the basic unit of a reasonable scale. We combined basic growth unit, which consists of the chain of growth state, and ecological model. Applying C++ language to define L-system rules, rules for parsing, character iteration, physiological and ecological model program; combining with OpenGL graphics library for rendering three-dimensional structure of plant expression. Using classical topology of Botany Roux as experimental model simulation. We compare the simulation results and conventional classical model. At least, we prove this model is applicable.
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16

Henskens, F. L. F. "The biology and management of Axonopus affinis (Chase) in Australian pastures." Australian Journal of Agricultural Research 48, no. 8 (1997): 1219. http://dx.doi.org/10.1071/a97023.

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Carpetgrass (Axonopus affinis Chase) was described in terms of its botany, origin, distribution, seasonal growth, habitat, and dispersal. Factors that determine its agronomic importance were examined. Emphasis was given to management and ecological factors which influence competition between carpetgrass and sown pasture species. It is concluded that the management strategies that have been developed and successfully adopted in Queensland and New South Wales need to be tested for use in irrigated pastures in northern Victoria
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17

Jaiswal, Pankaj, Shulamit Avraham, Katica Ilic, Elizabeth A. Kellogg, Susan McCouch, Anuradha Pujar, Leonore Reiser, et al. "Plant Ontology (PO): a Controlled Vocabulary of Plant Structures and Growth Stages." Comparative and Functional Genomics 6, no. 7-8 (2005): 388–97. http://dx.doi.org/10.1002/cfg.496.

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The Plant Ontology Consortium (POC) (www.plantontology.org) is a collaborative effort among several plant databases and experts in plant systematics, botany and genomics. A primary goal of the POC is to develop simple yet robust and extensible controlled vocabularies that accurately reflect the biology of plant structures and developmental stages. These provide a network of vocabularies linked by relationships (ontology) to facilitate queries that cut across datasets within a database or between multiple databases. The current version of the ontology integrates diverse vocabularies used to describeArabidopsis, maize and rice (Oryzasp.) anatomy, morphology and growth stages. Using the ontology browser, over 3500 gene annotations from three species-specific databases, The Arabidopsis Information Resource (TAIR) forArabidopsis, Gramene for rice and MaizeGDB for maize, can now be queried and retrieved.
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18

Stewart, Katrine. "Use of CD-ROMs for Teaching Systemic Botany and Horticultural Production Courses." HortScience 33, no. 3 (June 1998): 552c—552. http://dx.doi.org/10.21273/hortsci.33.3.552c.

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Systemic botany often requires the students to visually examine plant materials at different stages of growth and development to determine family characteristics. Fresh plant materials used in these demonstrations are often unavailable to allow the student to review for laboratory examinations. The timing of production courses means that students do not have the chance to see field operations for various crops. CD-ROMs have been developed as a adjunct to lectures to allow students to review and examine material at their own pace in order to better prepare them for examinations.
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19

Shamsi, S., MA Bashar, and A. Aziz. "Fungi on indoor walls and their management by fungicides." Bangladesh Journal of Botany 43, no. 2 (January 19, 2015): 239–42. http://dx.doi.org/10.3329/bjb.v43i2.21681.

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Fungal colonies were found growing as patches round the year on the distempered indoor damp walls of ground floor of the Department of Botany, University of Dhaka. Fungi were isolated and identified as Cladosporium oxysporum Berk & Curt., Curvularia lunata (Wakker) Boedijn and species of Fusarium and Penicillium. Fungicides namely, bendazin 50% WP, calixin, champion 75 WP, companion, mancozeb and provex were sprayed on the indoor damp walls to control the fungal growth. All the fungicides controlled the growth of all fungi except C. oxysporum at 500 ppm concentration which was controlled by 1000 ppm. DOI: http://dx.doi.org/10.3329/bjb.v43i2.21681 Bangladesh J. Bot. 43(2): 239-242, 2014 (September)
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20

Mollah, MSI, MH Rashid, MS Hossain, and M. Khalekuzzaman. "Effects of Soil Moisture, NPK Fertilizers and Varieties on Grain Growth of Barley (Hordeum vulgare L.)." Progressive Agriculture 19, no. 1 (November 12, 2013): 13–21. http://dx.doi.org/10.3329/pa.v19i1.16985.

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The experiments are conducted in the experimental field of the Department of Botany, Rajshahi University during the winter season of 2005-2006 to study the effects of soil moisture and NPK fertilizers on grain growth of four barley varieties (Hordeum vulgare L.) following split-split plot design. The highest grain growth parameters like, spikelet number, spike dry weight, grain number and grain dry weight, spike relative growth rate and grain relative growth rate were observed in the I2 treatment at different days after anthesis. F3 treatment produced the highest spikelet number, spike dry weight, grain number, grain dry weight, spike relative growth rate and grain relative growth rate but the control produced the lowest values. BHL-3 produced higher spikelet number and grain relative growth rate. BL-1 produced higher spike dry weight, grain number, grain dry weight and spike relative growth rate.DOI: http://dx.doi.org/10.3329/pa.v19i1.16985 Progress. Agric. 19(1): 13 - 21, 2008
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21

Shan, Ming-Qiu, Jing Shang, and An-Wei Ding. "Platycladus orientalis Leaves: A Systemic Review on Botany, Phytochemistry and Pharmacology." American Journal of Chinese Medicine 42, no. 03 (January 2014): 523–42. http://dx.doi.org/10.1142/s0192415x14500347.

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Platycladus orientalis leaves (Cebaiye) have been used for thousands of years as traditional Chinese medicine (TCM). According to the theory of TCM, they are categorized as a blood-cooling and hematostatic herb. In clinical practice, they were usually prescribed with heat-clearing herbs to reinforce the efficacy of hemostasis. The review provides the up-to-date information from 1980 to present that is available on the botany, processing research, phytochemistry, pharmacology and toxicology of the leaves. The information is collected from scientific journals, books, theses and reports via library and electronic search (Google Scholar, Pubmed and CNKI). Through literature reports, we can find that the leaves show a wide spectrum of pharmacological activities, such as anti-inflammatory, antioxidant, antimicrobial, disinsection, anticancer, diuretic, hair growth-promoting, neuroprotective and antifibrotic activities. Diterpene and flavonoids would be active constituents in P. orientalis leaves. Many studies have provided evidence for various traditional uses. However, there is a great need for additional studies to elucidate the mechanism of blood-cooling and hematostatic activity of the leaves. Therefore, the present review on the botany, traditional uses, phytochemistry and toxicity has provided preliminary information for further studies of this herb.
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FAJUKE, Aina Arinola, A. M. MAKINDE, F. A. OLOYEDE, and M. O. ISA. "Pinna Growth and Development in Relation to Venation in Nephrolepis Species." Notulae Scientia Biologicae 9, no. 2 (June 30, 2017): 296–300. http://dx.doi.org/10.15835/nsb9210038.

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Growth and development of the pinna in three species N. cordifolia, N. exalta(i), N. exalta(ii) and N. furcans were viewed in the department of botany of Obafemi Awolowo University, IIe-Ife campus. The results showed that all the venation of the pinnae of the species consist of a mid-vein and 2 lateral series of dichotomous vein all of which terminate freely near the lamina margins. Because it seems their venation patterns are similar, this might be one of the reasons for grouping them into one genus called Nephrolepis Schott. The development and growth pattern of N. cordifolia and N. furcans was uniform and consistent, while that of N. exalta gave two forms as the young was represented N. exalta (i) and the matured as N. exalta (ii). The growth patterns showing variations in the mid-rib, fertile and sterile pinnae provided useful specific distinctions.
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23

Richardson, D. HS. "Reflections on lichenology: achievements over the last 40 years and challenges for the future." Canadian Journal of Botany 80, no. 2 (February 1, 2002): 101–13. http://dx.doi.org/10.1139/b02-011.

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In June 2000, at the joint meeting of the Canadian Botanical Association and the Canadian Society of Plant Physiologists, the author of this review was presented with the George Lawson Medal for lifelong contributions to botany and was invited to prepare a special contribution for the Canadian Journal of Botany. Subsequently, an invitation was received to give the Swinscow Lecture to the British Lichen Society and the Linnean Society in London. This commentary is a written version of that January 2001 lecture and presents a personalized view of developments in those areas of lichenology studied by the author during a career in Canada and other parts of the world. Aspects touched upon include lichen identification, spore dispersal, nutrient transfer between the symbionts, water relations, and lichen strategies in particular climatic regions. The value of lichens for monitoring pollutants is noted, and the developing problem of lichen conservation is discussed. Finally, a plea is made regarding the value of field teaching and field excursions with respect to recruiting the next generation of lichenologists.Key words: lichens, asci, carbohydrate transfer, ecophysiology, pollution, old-growth forests, lichen societies.
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Švegždienė, Danguolė, Danguolė Raklevičienė, and Dalia Koryznienė. "Space botany in Lithuania. I. Root gravisensing system formation during satellite “Bion-10” flight." Botanica Lithuanica 19, no. 2 (December 1, 2013): 129–38. http://dx.doi.org/10.2478/botlit-2013-0016.

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Abstract Švegždienė D., Raklevičienė D., Koryzienė D., 2013: Space botany in Lithuania. I. Root gravisensing system formation during satellite “Bion-10” flight [Kosminė botanika Lietuvoje. I. Gravitaciją juntančių šaknų ląstelių formavimasis palydovo „Bion-10“ skrydžio metu]. - Bot. Lith., 19(2): 129-138. The paper deals with the results of space experiment, which was carried out on an original automatically operating centrifuge „Neris-5“ on board of the satellite „Bion-10“ in 1993. The peculiarities of gravisensing system formation in roots of garden cress (Lepidium sativum L.) seedlings grown in microgravity under simulated and natural gravity of 1g in space and on the ground, respectively, are presented. Quantitative study on the growth of root columella cells (statocytes), the state of their intracellular components, and the location of amyloplasts was performed by light and electron microscopy. The growth of statocytes in microgravity and under 1g in space did not differ significantly though the location of amyloplasts experienced significant changes: it depended on the gravity and cell position in columella. Instead of the concentration of amyloplasts at the distal cell region of roots grown under 1g, most plastids in microgravity-grown roots were accumulated at the centre of statocytes. The obtained data on the formation and state of intercellular plastids confirm the supposition that the environment of microgravity alters the metabolism of plant cells; however, its alterations are not fateful for the formation of gravisensing cells and for the growth of the whole root.
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25

Jacobs, SWL, F. Perrett, GR Sainty, KH Bowmer, and BJ Jacobs. "Ludwigia peruviana (Onagraceae) in the Botany Wetlands near Sydney, Australia." Marine and Freshwater Research 45, no. 8 (1994): 1481. http://dx.doi.org/10.1071/mf9941481.

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Ludwigia peruviana is an aquatic shrubby species introduced from the Americas and spreading to wetlands in coastal south-eastem Australia. It has become dominant, replacing much of the former vegetation in the Botany Wetlands, a series of shallow urban swamps and lakes near Sydney, Australia. Studies of L. peruviana were essential to the development of a management plan for the Botany Wetlands. Ecological studies were conducted in situ and supplemented by a series of germination and growth experiments in controlled environments. Flowering peaked in early autumn. Seed production for 1990-91 was ~ 450000 seeds m-2 and there was also ~ 65000 seeds m-2 in the soil seed bank and ~ 300000 seeds m-2 in old fruits that remained on the stems over winter. The seeds are ~ 0.8 mm long, weigh ~ 0.05 mg, are hydrophobic, usually germinate while afloat, and are easily dispersed by water, machinery and birds. Viability of fresh seed was 99% (tetrazolium dye test), and - 20% of seeds were dormant. Dormancy appeared to break down within two years. Propagation and dispersal may also occur by means of stem pieces that produce new shoots. New plants from seed, seedlings or stem fragments may become established on strand lines or form floating islands that may eventually become stranded. Management needs to focus on control of the seedlings and soil seed bank.
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Beal, P. R., and D. C. Joyce. "Cutflower characteristics of terminal flowering tropical Grevillea: a brief review." Australian Journal of Experimental Agriculture 39, no. 6 (1999): 781. http://dx.doi.org/10.1071/ea98181.

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Summary. The large and colourful cut inflorescences of the terminal flowering tropical Grevillea species and hybrids are considered by enthusiasts to have potential as a cutflower crop. Developing understanding of the characteristics of grevillea inflorescences is collated in this review article. Botany, quality, cultivars, production and marketing, physiology and biochemistry, growth and development, flowering regulation, senescence, postharvest losses, pests and diseases, loss reduction measures, and use of floral preservatives for cut inflorescences are discussed. This overview of current knowledge provides a platform for future research and development on this novel native Australian flower.
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Badhe, Nidhi P., P. V. Shende, and Minakshi K. Wadhai. "Physiological Response of Homobrassinolide on Growth and Yield Component of Black Gram (Vigna Mungo L.)." International Journal of Agriculture and Animal Production, no. 25 (October 9, 2022): 16–25. http://dx.doi.org/10.55529/ijaap.25.16.25.

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A field experiment was conducted during the kharif seasons of 2021 at farm of Botany section, College of Agriculture, Nagpur. The experiment was laid out in randomized block design and replicated thrice consisting eleven treatments i. e. Homobrassinolide (0.10 ppm, 0.20 ppm, 0.30 ppm, 0.40 ppm, 0.50 ppm, 0.60 ppm, 0.70 ppm, 0.80 ppm, 0.90 ppm and 1.00 ppm) Results revealed that foliar application of homobrassinolide sprayed at two stages i. e. 20 and 40 DAS significantly improved growth parameters like plant height, number of branches, days to 50 per cent flowering, total dry weight, leaf area and yield parameters like number of pods plant-1, test weight, seed yield ha-1 and harvest index. Treatment T11 (Homobrassinolide @ 1.00 ppm ) gave significantly higher results in all parameters under study.
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Worthington, DG, DJ Ferrell, SE NcNeill, and JD Bell. "Growth of four species of juvenile fish associated with the Seagrass Zostera capricorni, in Botany Bay, NSW." Marine and Freshwater Research 43, no. 5 (1992): 1189. http://dx.doi.org/10.1071/mf9921189.

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Populations of four species of juvenile fish- Rhabdosargus sarba, Acanthopagrus australis, Achoerodus viridis and Girella tricuspidata-were sampled from a seagrass bed in Botany Bay, New South Wales. Fish were collected eight times between 22 March 1990 and 22 February 1991, using a small seine-net. Growth rates were calculated from the progression of cohorts in length-frequency distributions. Cohorts of R. sarba, A. australis and A. viridis grew most slowly during winter (0.02, 0.04 and 0.21 mm day-1, respectively); growth then increased, peaking just prior to the loss of the cohort from the habitat (0.3 1, 0.24 and 0.39 mm day-1). Populations of R. sarba, A. australis and A. viridis were comprised of one or two cohorts that remained in the habitat for at least 3-4 months. Conversely, up to seven cohorts of G. tricuspidata were found between October and February, and most cohorts did not remain in the habitat for more than 2 months. As a result, there were only two confident estimates of growth for G. tricuspidata: 0.23 mm day-1 between October and November, and 0.34 mm day-1 between January and February. Individuals of each species were also kept in a flow-through 4000-L tank of sea water. Growth of cohorts of fish kept in the tank was very similar to that found in natural populations during the same time period. The rates of recruitment and loss of cohorts from seagrass can be rapid and these factors must be considered in designing a sampling programme to assess growth by analysis of length-frequency distributions.
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Lopez-Corcoles, Horacio, Antonio Brasa-Ramos, Francisco Montero-Garcia, Miguel Romero-Valverde, and Francisco Montero-Riquelme. "Short communication. Phenological growth stages of saffron plant (Crocus sativus L.) according to the BBCH Scale." Spanish Journal of Agricultural Research 13, no. 3 (August 28, 2015): e09SC01. http://dx.doi.org/10.5424/sjar/2015133-7340.

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<p>Phenological studies are important for understanding the influence of climate dynamics on vegetative growth, flowering and fruiting on plants and can be used in many scientific subjects, such as Agronomy, Botany and Plant Biology, but also Climatology as a result of the current global interest in climate change monitoring. The purpose of the detailed specific culture descriptions of the principal growth stages in plants is to provide an instrument for standardization of data recording. To date, there was no coding method to describe developmental stages on saffron plant (<em>Crocus sativus</em> L.). Because of the increasing world-wide interest on this crop, a novel growth development code based on the BBCH extended scale is proposed in this paper. Six principal growth stages were set up, starting from sprouting, cataphylls and flowers appearance, plant appearance and development, replacement corms development, plant senescence and corm dormancy. Each principal growth stage is subdivided into secondary growth stages. Descriptive keys with illustrations are included to make effective use of the system.</p>
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Ibrahim, Saima, and Faiza Naz. "Effect of Sulphur on Plant Growth & Defense System Against Salinity Stress." JOURNAL OF ADVANCES IN BIOTECHNOLOGY 1, no. 1 (February 18, 2014): 32–39. http://dx.doi.org/10.24297/jbt.v1i1.1783.

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The given investigation was undertaken to evaluate the performance of black gram (vigna mungo L.) under different salinity levels (i.e. 50mM, 100mM and 150mM NaCl) and to find out the remedial effect of two doses of S (i.e. 2mM and 4mM) against salinity stress on growth of studied crop by providing tolerance against salinity stress. The experiment was carried out in Botany department, Jinnah University for women, Nazimabad, Karachi, in controlled laboratory condition by using plate culture technique followed as completely randomized design with three replication of each treatment. The observation of given research showed that the percentages of shoot and root length and Fresh and dry seedling weights were higher in control treatment. The low (50mM NaCl) level of salinity treatment had no deleterious effects on plant vegetative growth, while at higher concentration of NaCl (100mM), all the growth parameters were drastically reduced. Both application rates of MgSO4 were found satisfactory to eliminate the negative effect of saline environment inside rhizosphere by promoting plant tolerance against stress thus support treated plants growth and development.
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Mansur, Muhammad, Saefudin ., and Fauzia Syarif. "RESPON PUPUK DAUN NPK TERHADAP PERTUMBUHAN Nepenthes ventrata DAN Nepenthes neglecta." Jurnal Teknologi Lingkungan 11, no. 3 (December 2, 2016): 503. http://dx.doi.org/10.29122/jtl.v11i3.1196.

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Leaf NPK fertilizer experiments on pitcher plant (Nepenthes neglecta and ventrata) conducted in May 2008 to March 2009 in a greenhouse, Botany Division, Research Center for Biology-LIPI, Cibinong Science Center, Cibinong. The objective is to study the effect of leaves NPK fertilizer on the growth of the two Nepenthes species tested. Experiments using Random Complete Factorial Design with two factors, namely the two Nepenthes species and threedoses of fertilizer each treatment repeated six times. Growth parameters measured include; long shoot leaves, plant height, number of leaves, number of mature pitchers and growth pitchers. Results showed that the dose of NPK fertilizer provided (2 and 4 ml / lt) have no effect on plant height and number of leaves, but little effect on the number of mature pitchers thanthe control plants. The statistical tests also showed no interaction between the two Nepenthes species with a given dose of fertilizer on the growth of plants. Minimum-maximum temperature recorded in the greenhouse during the experiment was 22.20C and 38.50C. Meanwhile, air humidity between 43,6-64,7%.Key words: Leaf NPK fertilizer, plant growth, pitcher plant
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Leon, Jose Mostacero, Helmut Yabar, Eloy Lopez Medina, William Zelada Estraver, Jordan De La Cruz Castillo, and Armando Efrain Gil Rivero. "Identification, Mapping and Ethnobotany of Plant Species in the Peruvian High Andean Wetlands: Stimulating Biodiversity Conservation Efforts towards Sustainability." Journal of Sustainable Development 14, no. 2 (February 19, 2021): 66. http://dx.doi.org/10.5539/jsd.v14n2p66.

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The high Andean wetlands of Peru provide not only the well-known ecosystem services such as water storage, flood mitigation, erosion control, and purification of water, but are also a source of income for local economies (as fodder), have medicinal properties, are a source of food, contribute to the development of ecotourism among many other uses. Economic and population growth have already damaged many parts of the high Andean wetlands including their rich flora. In order to promote the conservation of its diversity and unique flora, this study conducted extensive botanical explorations to identify and map the floristic composition of the high Andean wetlands of La Libertad, Peru, as well as their influence on local communities. The authors conducted explorations taking taxonomic, biogeographic and ethno biological data of the flora species as well as their therapeutic and economic botany. The study identified 64 species of flora distributed in 46 genera and 27 families including Asteraceae (with 8 species), Juncaceae (with 7 species), Poaceae (with 6 species), Cyperaceae (with 5 species), Licopodiaceae and Rosaceae (with 4 species each), Apiaceae, Gentianaceae, Orobanchaceae and Sphagnaceae (with 3 species each) and Poligonaceae (with 2 species). With reference to economic botany, it was found that 32.8% of species constitute resources with a very good economic benefit. The study concludes that it is imperative to take actions to protect the high Andean wetlands as they are ecosystems with great biodiversity. This study contribution expects to raise concerns regarding the increasing impact of economic and population growth on the loss of not only natural habitats but species as well. Conservation efforts will help protect the heritage of the Andes wetlands for future generations.
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Abernathy, John R., and David C. Bridges. "Research Priority Dynamics in Weed Science." Weed Technology 8, no. 2 (June 1994): 396–99. http://dx.doi.org/10.1017/s0890037x00038999.

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For this presentation we would like to discuss some history of weeds and their control, the evolution of weed science, the development of herbicides and the changing dynamics of weed science research. As mentioned by previous speakers, weeds cause great loss to almost every crop production enterprise in the United States and around the world. Man has sought to control weeds by various methods including cultural practices, cultivation, hoeing, and with herbicides. Pioneer weed scientists were individuals trained in the areas of physiology, botany, and agronomy. They applied their knowledge and training to the understanding of growth, development, and control of weeds in the late 1800's and early 1900's.
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Guo, Rixin, Ting Wang, Guohong Zhou, Mengying Xu, Xiankuo Yu, Xiao Zhang, Feng Sui, Chun Li, Liying Tang, and Zhuju Wang. "Botany, Phytochemistry, Pharmacology and Toxicity of Strychnos nux-vomica L.: A Review." American Journal of Chinese Medicine 46, no. 01 (January 2018): 1–23. http://dx.doi.org/10.1142/s0192415x18500015.

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Strychnos nux-vomica L. belongs to the genus Strychnos of the family Loganiaceae and grows in Sri Lanka, India and Australia. The traditional medicinal component is its seed, called Nux vomica. This study provides a relevant and comprehensive review of S. nux-vomica L., including its botany, ethnopharmacology, phytochemistry, pharmacology and toxicology, thus providing a foundation for future studies. Up to the present day, over 84 compounds, including alkaloids, iridoid glycosides, flavonoid glycosides, triterpenoids, steroids and organic acids, among others, have been isolated and identified from S. nux-vomica. These compounds possess an array of biological activities, including effects on the nervous system, analgesic and anti-inflammatory actions, antitumor effects, inhibition of the growth of pathogenic microorganisms and regulation of immune function. Furthermore, toxicity and detoxification methods are preliminarily discussed toward the end of this review. In further research on S. nux-vomica, bioactivity-guided isolation strategies should be emphasized. Its antitumor effects should be investigated further and in vivo animal experiments should be performed alongside in vitro testing. The pharmacological activity and toxicology of strychnine [Formula: see text]-oxide and brucine [Formula: see text]-oxide should be studied to explore the detoxification mechanism associated with processing more deeply.
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D. V. Durge, Madhuri B. Dhomne, and Priti A. Sonkamble T. H. Rathod. "Influence of Plant Growth Regulators and Jeevamrut on Morphological and Yield Parameters of Pigeonpea (Cajanus cajan L.)." International Journal of Current Microbiology and Applied Sciences 10, no. 12 (December 10, 2021): 72–79. http://dx.doi.org/10.20546/ijcmas.2021.1012.009.

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A field experiment was conducted during kharif season 2018-19 and 2019-20 at Experimental field of Department of Agricultural Botany., Dr. Panjabro Deshmukh Krishi Vidyapeeth, Akola (M. S.). The experiment comprised of single variety of pigeonpea i.e. PKV (TARA) laid out in randomized block design with four replications, provided with eight treatments of two growth regulators i.e. GA3-25, 50 and 75 ppm and NAA-25, 50 and 75 ppm concentrations including jeevvmrut@ 500 L ha-1 and control. Plant growth regulators at different concentrations were applied through foliar spray at flower and pod initiation stages and soil application of jeevamruth was carried out at 30, 60, 90 and 120 DAS. Results indicated that two applications of 75 ppm GA3 at flower and pod initiation stages recorded significantly more plant height, leaf area plant-1, total dry matter production-1 and yield and yield attributes followed by NAA-75 ppm and by soil application of jeevamruth @ 500 L ha-1.
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Yatsyna, A. P. "A review of the lichen genera Chaenotheca and Sclerophora (Coniocybaceae) in Belarus. I." Novosti sistematiki nizshikh rastenii 50 (2016): 257–67. http://dx.doi.org/10.31111/nsnr/2016.50.257.

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The paper presents data on 11 lichen species of the genera Chaenotheca and Sclerophora in Belarus. A new locality of Chaenotheca cinerea has been discovered; until now the species was known in Belarus from the only record published in 1830. New localities of protected lichens C. chlorella and C. gracilenta are found. Data on localities, habitats and substrates of all species are provided. It is established, that C. chlorella, C. chrysocephala, C. gracilenta, C. phaeocephala, Sclerophora farinacea, S. pallida and S. peronella inhabit mainly the bark of old-growth deciduous or rarely coniferous trees. The specimens are deposited at the lichen herbarium of V. F. Kuprevich Institute of Experimental Botany, National Academy of Sciences of Belarus (MSK-L).
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Kononchuk, O. B., and S. V. Pyda. "КУЗЬМА МИКОЛАЙОВИЧ ВЕКІРЧИК – ВІДОМИЙ ПЕДАГОГ, ВЧЕНИЙ, ЖУРНАЛІСТ, ГРОМАДСЬКИЙ ДІЯЧ." Scientific Issue Ternopil Volodymyr Hnatiuk National Pedagogical University. Series: Biology 77, no. 3 (September 24, 2019): 84–91. http://dx.doi.org/10.25128/2078-2357.19.3.12.

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September 15, 2019 marks 90th birthday of Kuzma Vekirchyk – Candidate of Biological Sciences, Professor, Honorary Member of the Ukrainian Society of Plant Physiologists, a member of the Society of Microbiologists of Ukraine and the National Union of Journalists of Ukraine, a famous scientist of plant physiologist and microbiologist, educator, participant of the Second World War, whose achievements occupy a worthy place among the national scientists, who through their scientific, pedagogical and social work made a significant contribution into the development of education and science, the independence of the Ukrainian state. Kuzma Mykolaiovych Vekirchyk was born in the village of Zadubrivtsi, Sniatyn district, Ivano-Frankivsk region to the family of peasants. He began his schooling, with a break from the misery of World War II, from the Zadubrivtsi Seven-Year School, which he finished in 1947 with honours. Throughout difficult post-war years, he went on to teach villagers the literacy. Then Kuzma Vekirchyk became a student of Sniatyn Agricultural College, graduated with honors in 1952 and entered the Biology Faculty of Chernivtsi University, graduating with honors in 1957 with a major in plant physiology. After the university studies, he was promoted to the post of teacher of biology and chemistry at the secondary school of Zelena village, Kelmenetskyi district, Chernivtsi region, where he worked from 1957 to 1959. In 1959, K. M. Vekirchyk continued his scientific career, entering postgraduate studies at the Department of Plant Physiology and Microbiology, Chernivtsi University. The young scientist got engaged in the studies of foliar nutrition of plants with microelements under the supervision of the famous Ukrainian professor of plant physiologist, G. X. Molotkovskiy. After graduating from postgraduate studies in 1962, K. M. Vekirchyk was promoted to the post of a teacher, and from 1965 was re-elected to the post of a senior teacher of plant physiology and microbiology of the Department of Botany, Uman State Pedagogical Institute. On November 1, 1965 he defended his dissertation «Influence of foliar feeding with microelements on physiological and biochemical processes, growth, development and yield of cabbage» and received a scientific degree of Candidate of Biological Sciences. Since December 1966 he became the Assistant Professor of the Department of Agrobiology Faculty at the Ivano-Frankivsk Pedagogical Institute. On September 12, 1967 he was selected for the post of a senior lecturer of the Department of Botany of Kremenets Pedagogical Institute. On July 9, 1968 he was re-elected associate professor of the Department of Botany and since January 1969 was granted a title of the Candidate of biological sciences. In 1969 he became the associate professor of the Department of Botany of Ternopil Pedagogical Institute (after the relocation of the Kremenets Pedagogical Institute to the town of Ternopil). In September 1987, for high achievements in the pedagogical and scientific fields, the publication of textbooks and books for students, he was elected to the post of professor of the Department of Botany, and on November 29, 1991 he was awarded the scientific title of professor. While working at the Department of Botany in Ternopil, Kuzma Mykolaiovych studied the influence of trace elements and biologically active substances on the symbiotic fixation of nitrogen, growth, development and productivity of legumes. In 1997, he began publishing a series of articles on well-known teachers of higher education in Ternopil and amazing works of nature, in particular in the magazine «Osvityanyn» and the annual «Ternopillia». From 1996 to 2002, he was the Deputy Editor-in-Chief of the «Ukrainian Science: Past, Present, and Future». Kuzma Vekirchyk is the author and co-author of over 360 scientific, educational, methodological and popular scientific articles. He is the author of textbooks and books: «Microbiology» (1973), «Microbiology: laboratory work» (1976), «Plant physiology: practicum» (1984), «Microbiology with the basics of virology» (1987, 2001), «Workshop on microbiology» (2001), «Poisonous Medicinal Plants: a handbook» (1999), programs in plant physiology, microbiology with the basics of virology for students of higher education institutions of Ukraine (1993), etc. K. M. Vekirchyk spent his entire life conducting extensive public, educational and patriotic work. He was a sincere, intelligent, decent, humble, kind and selfless person. K. M. Vekirchyk died on November 3, 2009 and rests in the native village of Zadubrivtsi, Sniatyn district, Ivano-Frankivsk region, near the chapel, which he restored at his own expense. The memory of Kuzma Mykolaiovych as a man of high moral values, an outstanding scientist, teacher, journalist, public figure will forever remain in the hearts of his colleagues and students.
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Thakur, Tripti, Rakesh Dadsena, S. B. Nandeshwar, and Anil Kumar. "In Vitro Study of Callus Induction in Wedelia trilobata Using Different Growth Regulators." Plant Tissue Culture and Biotechnology 21, no. 1 (January 24, 2012): 95–99. http://dx.doi.org/10.3329/ptcb.v21i1.9614.

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Wedelia trilobata (L.) Hitch is a member of Asteraceae (formerly Compositae), the sunflower family. Its common name includes “Wedelia” and trailing daisy, although some people mistakenly call it Singapore daisy. In a wider sense the genus Wedelia, named in honor of Georg Wolfgang Wedel (1645 –1721), Professor of Botany at Jena, Germany, has about 70 species of tropical strand plant, Wollastonia biflora (formerly known as Wedelia biflora), to which it is closely related. In a more narrow sense, and now more widely accepted, Wedelia is considered to be a genus of relatively a few species of strictly American origin, one of which is Wedelia parviceps Blake, a herbaceous or sub-shrubby weed common in croplands, harvested fields, pasteures and roadside bush in hot climate in central America (Garcia et al. 1975). Interestingly, the Hawaiian endemic genus Lipochaeta is scarcely distinct from it genetically, and two sections of Lipochaeta appears to have been independently derived from Wedelia like ancestors (Wagner et al. 1990). Key words: Wedelia trilobata, Callus induction, In vitro D. O. I. 10.3329/ptcb.v21i1.9614 Plant Tissue Cult. & Biotech. 21(1): 95-99, 2011 (June) - Short communication
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39

Hana A. Al-Quhbi, Amna A.I. Saeed, and Abdul Nasser Al-Gifri. "Allelopathic activity of aqueous decomposed leaf litter extracts on the germination and early seedling growth of cowpea (Vigna unguiculata) in Aden, Yemen." World Journal of Advanced Research and Reviews 10, no. 2 (May 30, 2021): 191–95. http://dx.doi.org/10.30574/wjarr.2021.10.2.0216.

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Allelopathic effect of Aqueous decomposed leaf litter from four common trees and shrubs in Aden governorate, Yemen was investigated on the germination and early seedling growth of Cowpea, the test crop was subjected to four concentrations of 25, 50, 75 and 100% of the aqueous extract, while a control was maintained at 0% extract level. The study carried out in the laboratory of Botany at Faculty of Education, University of Aden. The Percentage of germination, Germination rate per plate, radicle length, plumule, (hypo and epicotyl lengths) observed. Data was recorded at 24 hours interval after germination for 15 days, the research revealed delayed germination rate per plate and a significant reduction in the radicle length and germination percentage (data was collected on percentage germination; plant height. Results obtained showed that significant reduction in the growth parameters considered at 100% and 75%, while at 50% and 25% the difference was not significant. From the result obtained, it can concluded that Conocarpus lancefolius and Thevetia peruviana possess allelopathic effect that inhibit the germination and early seedling growth of Cowpea, hence at 100% concentration.
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40

Windiyani, Intan Poespita, Tundjung T. Handayani, Zulkifli Zulkifli, and Bambang Irawan. "The Effect of Coconut Water (Cocos nucifera L.) and Atonik to The Growth of Tomato Plant (Lycopersicum esculentum Mill.)." Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati 7, no. 1 (April 1, 2020): 25–30. http://dx.doi.org/10.23960/jbekh.v7i1.9.

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The purpose of this study was to find how the effects of coconut water plus atonic on tomato plant growth. The study was conducted from October to November 2019 at the Laboratory of Botany, Department of Biology FMIPA University of Lampung. The study was conducted in a 2x3 factorial experiment with a completely randomized design. Factor A is young coconut water with 3 levels of concentration i.e. 0% v/v, 25% v/v, and 50% v/v. Factor B is atonic with 2 concentration levels, namely 0% v/v and 10% v/v. As variables are high, fresh weight, dry weight, relative water content, and chlorophyll content of plants. Levene Test, Variance Analysis is carried out at a 5% significance level. Main effects and simple effects were analyzed by the Tukey test at 5% significance level. The results showed that the interaction between coconut water and atonic had a negative effect on the growth of tomato plants. The results of the study concluded that coconut water combine with atonic can not improve tomato plant growth.
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41

Reiss-Bubenheim, Debra, Charles Winget, and Robert S. Bandurski. "THE EFFECTS OF MICROGRAVITY ON THE CONCENTRATION AND DISTRIBUTION OF INDOLE-3-ACETIC ACID IN CORN SEEDLINGS." HortScience 25, no. 9 (September 1990): 1072c—1072. http://dx.doi.org/10.21273/hortsci.25.9.1072c.

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The gravity-sensing mechanism in plants end transduction of the gravity stimulus to re-orientating plant growth has not been ascertained. By removing the everpresent influence of the 1 g terrestrial environment on plant growth and development, information maybe obtained about the gravity detection mechanism in plants. The Space Life sciences Payloads Office at NASA-ARC processed the secondary Payloads flight experiment “Growth Hormone Concentration and Distribution in Plants” (GHCD). The experiment occupied two middeck lockers in the crew compartment onboard the space shuttle Atlantis (STS-34) in October 1989. The payload's Principal Investigator was Dr. S. Bandurski, Professor of Botany at Michigan State University. dr. Bandurski's experiment was designed to investigate concentration, distribution, and turnover rates of indole-3 acetic acid (IAA) in dark-grown corn seedlings exposed to the microgravity environment. The flight data may provide valuable information for long-term crop production in space as well as terrestrial agriculture. This poster will present the flight payload processing procedures necessary to successfully conduct a space shuttle flight experiment.
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42

Momen, A., MHK Howlader, AJMN Nabi, MAR Sharif, and MZ Haque. "Study on growth and yield of mungbean in southern part of Bangladesh." Progressive Agriculture 29, no. 4 (May 14, 2019): 313–19. http://dx.doi.org/10.3329/pa.v29i4.41345.

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An experiment was carried out at the field laboratory of the Department of Agricultural Botany, Patuakhali Science and Technology University (PSTU), Patuakhali during the period from January to March, 2012 to study the effect of mugbean genotypes on growth, development, morpho-physiological, yield and yield attributing characters under the agro ecological Zone (AEZ-13) in the region of Southern part of Patuakhali District. Five hybrid genotypes of mugbean viz., Local variety (V1), BARI mung 5(V2), BINA mung 5(V3), BARI mung 6(V4) and BINA mung 8(V5) were used as planting materials for this study. Among the genotypes, BINA mung 5 showed significantly better performance on growth, yield and morpho-physiological characters compare to other genotype during this study while local variety were less efficient among those parameters. As a result, the tallest plant of 57.020 cm higher TDM (72.538 g/plant) and LA (421.152 cm2) were recorded in BINA mung 5 at harvest. BINA mung 5 also had higher number of seeds per pod (13.25), 1000 seeds weight (52.495g), grain yield (1.997t/ha), straw yield (3.660t/ha), biological yield (5.657t/ha) and harvest index (35.303%). On basis of these findings, BINA mung 5 was the most productive variety under the coastal area. Progressive Agriculture 29 (4): 313-319, 2018
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Howlader, MHK, M. Rasel, MS Ahmed, MM Hasan, and LA Banu. "Growth and yield performance of local T Aman genotypes in southern region of Bangladesh." Progressive Agriculture 28, no. 2 (August 9, 2017): 109–13. http://dx.doi.org/10.3329/pa.v28i2.33471.

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The present experiment was conducted at the Research Field Laboratory of the Department of Agricultural Botany, Patuakhali Science and Technology University (PSTU), Patuakhali during the period from July to December 2013 to evaluate among the local T Aman rice genotypes for obtaining the most productive genotype regarding growth and yield performance under southern region. Four local T Aman rice genotypes namely Lalchicon, Lalmota, Moulata and Mothamota were used as planting materials and laid out in RCBD with three replications. The genotype Moulata was produced significantly the tallest plant (155.0 cm) and number of total tillers per hill (11.80); statistically higher LAI (2.133) and TDM (16.80 g hill–1) at vegetative stage (60 DAT). Similarly, number of maximum effective and minimum non-effective tillers per hill (10.80 and 1.333), total and filled grains panicle–1(128.50 and 115.80), minimum unfilled grains panicle (12.67), thousand grain weight (25.35 g), grain, straw and biological yield (3.657, 6.000 and 9.657 t ha–1 respectively) and HI (37.86%)also higher in Moulata at harvest. So, Moulata was the most productive genotype among the studied local T Aman rice genotypes under the southern region.Progressive Agriculture 28 (2): 109-113, 2017
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44

Švegždienė, Danguolė. "Space botany in Lithuania. II. Study on root gravity sensing during satellite “Bion- 11” flight / Kosminė botanika Lietuvoje. II. Šaknų gravitacijos jutimo tyrimas palydovo „Bion-11“ skrydžio metu." Botanica Lithuanica 22, no. 2 (December 1, 2016): 145–52. http://dx.doi.org/10.1515/botlit-2016-0015.

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AbstractThis paper addresses the space experiments performed on board of the unmanned satellite “Bion-11” in 1997. To detail root gravity sensing in stimulus-free microgravity environment, researchers from the Institute of Botany developed an automatically operating centrifuge “Neris-8” to grow garden cress seedlings and to chemically fix them at the end of the experiments. There was examined behaviour of gravity sensors - amyloplasts within cap cells of roots responding to stimulation by artificial fractional gravity. The static of amyloplasts was determined in roots after continuous growth for 25 h in microgravity, 0.005, 0.02, 0.1 and 1-g environment. The movement kinetics of amyloplasts was studied in roots during the exposition to microgravity after 24-h growth in 1-g environment or conversely. Quantitative study on the patterns of positioning and movement of plastids was performed by light microscopy. The results obtained led us to detail a mode of gravity sensing by roots in which the interactions between moving amyloplasts, cytoplasm and cytoskeleton were discussed.
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45

Shivanna, Kundaranahalli R., and Rajesh Tandon. "Developmental biology of dispersed pollen grains." International Journal of Developmental Biology 64, no. 1-2-3 (2020): 7–19. http://dx.doi.org/10.1387/ijdb.190166ks.

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Professor Panchanan Maheshwari served as Professor and Head of the Department of Botany, University of Delhi, from 1950 to 1966 and built an internationally reputed School of integrated plant embryology. Studies carried out during and after Maheshwari’s period from this School have enormously advanced our knowledge of the structural, developmental and functional aspects of embryological processes. This review covers studies carried out at the Delhi School on the developmental biology of dispersed pollen grains which operate from pollen dispersal from the anthers until pollen tubes discharge the male gametes in the embryo sac for fertilization. These events include pollen viability and vigour, pollen germination and pollen tube growth, structural details of the pistil relevant to pollen function, pollination and pollen-pistil interaction.
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Mahbubul Islam, Md Khairul Alam, Snehasish Bose, Oli Ahmed Fakir,, and A. K. M. Zakir Hossain, Alamgir Hossain, M. H. Rashid. "Effects of Salinity on Seedling Growth of Four Maize (Zea Mays L.) Cultivars Under Hydroponics." Journal of Agricultural Studies 5, no. 4 (January 2, 2018): 54. http://dx.doi.org/10.5296/jas.v6i1.12401.

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Growth and development of a crop or even cultivars within a species of a crop respond to soil salinity since germination. A hydroponic experiment was conducted at Plant Physiology Laboratory, Department of Crop Botany, Bangladesh Agricultural University, Mymensingh, Bangladesh, during the period from December 2015 to July 2016 to investigate the effect of NaCl on morphological characters and growth of maize (Zea mays L.) seedlings. The experiment comprised two levels (0 dS m-1 and 8 dS m-1) of salinity for hydroponic experiment, designed in two factorials Complete Randomized Design (CRD) with three replications on four cultivars viz. Kaveri - 244+, BHARAT Hybrid Sultan 702, Getco seeds GP – 901, Essence –Platinum. Results indicated that root and shoot length, number of leaves plant-1, fresh and dry mass production varied with NaCl stress which indicating that some cultivars of maize seedlings are highly susceptible to concentrated NaCl. However, among tested cultivars, Essence –Platinum showed the best performance considering the seedlings growth and other parameters. BHARAT Hybrid Sultan 702, Getco seeds GP – 901 showed the highest sensitivity to NaCl stress in this experiment based on the above parameters studied.
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Kesmayanti, Novisrayani, and Edy Romza. "The Indicators of Tolerance Analysis and Tolerance Test of Rice Varieties to NaCl Stress." Agrologia 11, no. 1 (May 14, 2022): 81. http://dx.doi.org/10.30598/ajibt.v11i1.1545.

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NaCl stress is one of the causes of inhibition and decreased growth of rice plants. The aim of the study was to obtain indicators of tolerance analysis and to analyze the tolerance of rice varieties Inpari-22 and mekongga to NaCl stress. The research was carried out at the Laboratory of Botany and Plant Physiology, Faculty of Agriculture, University of IBA in Palembang, in October-December 2021.The study used a completely randomized factorial design (RALF) 5 x 2. The first factor was the concentration of NaCl, which consisted of 0ppm (water), 2.500ppm, 5.000ppm, 7.500ppm and 10.000ppm. The second factor is rice varieties, namely Inpari-22 and Mekongga. The experiment consisted of 10 treatment combinations with 3 replications. Each experimental unit consisted of 50 seeds, so a total of 1,500 seeds. The results showed that soaking the seeds in a NaCl solution of 2,500-10,000 ppm for 48 hours could increase germination, vigor index, growth speed, growth synchronously and maximum growth potential. However, in subsequent growth there was inhibition and a decrease in plant height, root length, epicotyl length, plant weight and root weight at increasing NaCl concentration from 2,500 ppm -10,000 ppm. In this study, as an indicator of the analysis of seed tolerance to salinity stress, the observations of germination variables (germination, vigor index, growth speed, growth synchronously and maximum growth potential) and early growth half (plant height, number of leaves, root length, epicotyl length, plant weight and root weight) can be used.
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Roy, Ramen Chandra, Ashaduzzaman Sagar, Jannat E. Tajkia, Md Abdur Razzak, and AKM Zakir Hossain. "Effect of salt stress on growth of sorghum germplasms at vegetative stage." Journal of the Bangladesh Agricultural University 16, no. 1 (April 30, 2018): 67–72. http://dx.doi.org/10.3329/jbau.v16i1.36483.

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Soil salinity is an increasing problem in the world and main obstacle to agricultural productivity especially in areas where irrigation is necessary. It adversely affects plant growth and development. Adoption of salt tolerant variety is more important here and so screening of salt tolerant germplasms is essential. For this reason, a germination test under salinity and a hydroponic experiment were conducted at Plant Physiology Laboratory, Department of Crop Botany, Bangladesh Agricultural University, Mymensingh to investigate the effect of NaCl on germination, morphological characters and growth of sorghum seedlings. The experiment comprised of two levels of NaCl concentration viz. Control (without NaCl and EC 1.36 dSm−1 in hydroponic culture) and 80 mM NaCl and five sorghum germplasms viz. BD 700, BD 703, BD 707, BD 710 and BD 726. There were 10 (5×2) treatments in a completely randomized design (CRD) with three replications. Results showed that germination percentage, hypocotyls and epicotyls length, root and shoot length, leaf length, leaf sheath length, fresh and dry mass production were influenced by NaCl stress. However, among tested germplasms, BD 707 showed the best performance considering the seedlings growth, germination percentage and other parameters. BD 710 and BD 703 showed the highest sensitivity to NaCl stress based on the above parameters studied. These results suggested that sorghum is able to grow with moderate salinity.J. Bangladesh Agril. Univ. 16(1): 67-72, April 2018
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49

Chanda, SC, AM Mridul, A. Sagar, and AKMG Sarwar. "Germination and seedling growth of Sesbania species as influenced by seed size." Progressive Agriculture 28, no. 4 (April 12, 2018): 316–22. http://dx.doi.org/10.3329/pa.v28i4.36371.

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An experiment was carried out at Plant Systematics Laboratory of the Department of Crop Botany, Bangladesh Agricultural University, Mymensingh to find out the effect of seed size on germination and seedling growth of three Sesbania species. Seed size was graded as small (3.1–3.5 mm), medium (3.6–4.0 mm) and large (4.1–4.5 mm); and three Sesbania species viz. S. bispinosa, S. cannabina and S. sesban, were used as experimental materials. The treatments were arranged in factorial experiment laid in completely randomized design having four replications. Though the effect of seed size on germination and seedling growth parameters followed similar trend, significant differences were observed among these three Sesbania species. Medium-sized seed produced the highest percentage of emergence and germination, and large-sized seed produced the highest seedling length, vigour index, and total biomass; although the numerical values did not differ statistically. The small-sized seeds were poor performer in all aspect of germination and seedling growth descriptors. The correlation matrix analyses showed that seed size, both length and/or width, highly correlated with root and seedling length, base diameter, vigour index and biomass yield of Sesbania spp. The medium to large-sized seed sown at relatively higher seed rate could be helpful for higher biomass yield of Sesbania spp. especially at the early growth stages.Progressive Agriculture 28 (4): 316-322, 2017
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50

Sarwar, AKMG, J. Sultana, MO Islam, and AKMA Prodhan. "Effect of Miyodo on Growth, Yield Attributes and Yield in T. Aman Rice cv. BR-11." Progressive Agriculture 19, no. 1 (November 23, 2013): 45–49. http://dx.doi.org/10.3329/pa.v19i1.17106.

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An experiment was conducted in the field laboratory of the Department of Crop Botany, Bangladesh Agricultural University, Mymensingh, to investigate the effect of foliar application of Miyodo on morphology, yield contributing characters and yield of T. aman rice cv. BR-11. The concentrations of Miyodo used were 2 mgL-1, 3 mgL-1, 4 mgL-1 and 5mgL-1 with a control. The experiment was laid out in a randomized complete block design with three replications. Application of Miyodo by spraying at 45 days after transplanting significantly enhanced plant height, number of tillers and effective tillers, number of leaves and leaf area, size of flag leaf, total dry matter, panicle length, number of total grains and filled grains, 1000-grain weight, grain yield, straw yield, and harvest index. The result showed that the application of 5 mgL-1 Miyodo produced the highest grain yield of BR-11 compared to other concentrations as well as control. However, further study is needed to determine the higher concentration limit of Miyodo in maximizing the growth and yield of T. aman rice cv. BR-11.DOI: http://dx.doi.org/10.3329/pa.v19i1.17106 Progress. Agric. 19(1): 45 - 49, 2008
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