Relevant bibliographies by topics / High Yielding Varieties Program

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Academic literature on the topic 'High Yielding Varieties Program'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "High Yielding Varieties Program"

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Syahril, Muhammad, Syamsul Bahri, and Rhido Suhada. "Screening Gogo Rice Local Aceh Cultivars Drought Tolerant Under Polyetilene Glycol 6000." Jurnal Pertanian Tropik 6, no. 2 (2019): 200–210. http://dx.doi.org/10.32734/jpt.v6i2.3152.

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Efforts for increasing rice production nationally, it is necessary to increase the productivity of a land. Utilization of marginal lands like drought land potential to increase rice production nationally. One effort to utilize marginal land like dry land is the use of high-yielding drought tolerant varieties. Until now high-yielding drought tolerant varieties still relatively rare. For this reason, it is necessary to create high-yielding drought tolerant varieties from plant breeding program. One of the standard programs in plant breeding to create high-yielding drought tolerant varieties is provision of genetic material as parental. Local varieties gogo rice Drought-tolerant potential to be used as parental in the plant breeding program to create of high-yielding drought tolerant rice varieties. For this reason, it is necessary to test drought tolerance of local rice cultivars. The study used 10 cultivars exploration results in East Aceh Regency namely Gameso, Sibengkok, Ramos Gunung, Sidol, Sigedul, Rias Kuning, Rias putih, Sibontok, Serumu, and Sileso. Drought tolerance testing using PEG solution (Polyethylene Glycol) 6000 156. 75 g / liter of H2O which is equivalent to the osmotic potential of -3 BAR and aquades as control (0 BAR) an germination stage and early vegetative stage. The results of the study show that 10 cultivars tested in the germination stage, 6 cultivars were selected as drought tolerant cultivars. Furthermore, 6 cultivars tested in the early vegetative stage showed the ability to recover at day 35 and then at day 42 showed no symptoms of drought. 6 drought tolerant cultivars are Gameso, Ramos Gunung, Sigedul, Rias Kuning, Sibontok, and Sileso.
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Ahmed, Sultan. "Evaluation of high yielding candidate cotton genotypes tested in National Coordinated Varietal Trial at different locations of Sindh and Balochistan." International Journal of Cotton Research and Technology 2, no. 1 (2020): 31. http://dx.doi.org/10.33865/ijcrt.002.01.0355.

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The research was conducted during the two consecutive years 2018 and 2019; twenty eight (28) advance cotton strains were tested in national coordinated varietal trials (NCVT) at seven locations of Sindh and Balochistan. The results revealed highly significant difference among the varieties during both the years. On the basis of two years average performance only two candidate strains GH-Uhad and NIAB-135 showed their stability in yield performance during both the years. Therefore, it is recommended that top two high yielding varieties (GH-Uhad and NIAB-135) with stability in performance must be approved by the provincial seed council of Sindh and Balochistan to revive the cotton production of the provinces as well as national economy and not to waste/garbage this high yielding stuff and also suggested to cotton breeders utilization in hybridization/breeding program to evolve high yield variety.
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Ejara, Ejigu, Kemal Kitaba, Zinash Misganaa, Mulatu Gabisa, and Ganene Tesama. "Performance Evaluation of Early Maturing Ground Nut Varieties in West Guji lowland, Southern Ethiopia." Journal of Agriculture and Crops, no. 65 (May 20, 2020): 73–77. http://dx.doi.org/10.32861/jac.65.73.77.

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Groundnut is an important oil seed crop, grown throughout the tropics and sub tropics worldwide. It is one of the three economically important oilseed crops grown in Ethiopia. Groundnut is commonly produced by small scale farmers as food and cash crops in the study area. The area has potential to the production of Ground nut for food and nutrition security as well as export commodity. However, scarcity of varieties that fit to the environment is one of the major constraints of production. Therefore, this experiment was conducted to evaluate five Ground nut varieties and select early maturing varieties with considerable yield and agronomic traits. The field experiment was conducted in 2017 and 2018 at Abaya and varieties were planted in Randomized complete block design (RCBD). Data were collected on yield and important agronomic traits. The computed analysis of variance revealed significant variations among varieties for days to maturity, number of primary branches, number of pegs per plants, Grain yield and shelling percentage. The pooled over year mean of varieties indicated , Tole- 1 variety ( Check) is high yielding with mean grain yield of 4174.7kg followed by variety Sedi (3552.5kg/ha) and Babile local (3550.4kg/ha).Variety Sedi has special merit in terms of earliness and therefore recommended for moisture stress areas of Abaya and location with similar agro ecologies while Tole -1 (Standard check) is high yielding varieties and should be used in production until new varieties will be developed through selection/breeding program.
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Boyhan, George E., Suzzanne Tate, Ryan McNeill, and Jeffrey McConnaughey. "Evaluation of Tomato Varieties under Organic Production Practices in Georgia." HortTechnology 24, no. 2 (2014): 252–58. http://dx.doi.org/10.21273/horttech.24.2.252.

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Tomato (Solanum lycopersicum) is a popular crop among organic growers, particularly open-pollinated varieties; however, there is a lack of information evaluating these varieties in comparison with commercial F1 hybrids. This study was undertaken to compare conventionally produced commercial F1 tomato varieties available in the southeastern United States with open-pollinated varieties popular among organic growers. Nineteen tomato varieties were evaluated in 2011 and 2012 using the U.S. Department of Agriculture National Organic Program guidelines; however, the land used had not been in 3 years of organic production. Staked tomatoes were grown on plastic mulch. Data collected included early and total graded yield. In general, F1 hybrid, determinate or semideterminate varieties, had the best early and total yields compared with open-pollinated varieties. HSX 8115H and ‘Celebrity’ had the highest early total yield. ‘Costoluto Fiorentino’, an open-pollinated variety, also had good early total yield, but significantly less than HSX 8115H or ‘Celebrity’. ‘Costoluto Fiorentino’ was the only open-pollinated variety among the five highest yielding varieties for early total yield. In addition, ‘Celebrity’ had the greatest total yield of all the entries tested. All of the top five varieties for total yield were F1 hybrids and either determinate or semideterminate types. ‘Costoluto Fiorentino’ had total yield of 22,046 lb/acre, which was 14.3% lower than the lowest yielding variety in the top five yielding varieties. ‘Florida Pink’ had the largest average fruit weight, which also had the lowest total yield of all the entries. Although the open-pollinated varieties, popular among organic and local growers, yielded less than F1 hybrids, they may possess characteristics of color, flavor, or texture that are desired and were not evaluated in this study. This may be an opportunity for plant breeders to develop varieties desired by local organic growers that have unique characteristics, in addition to high yields and disease resistance.
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Aryawati, Sagung Ayu Nyoman, and Putu Sutami. "KERAGAAN VARIETAS PADI SAWAH IRIGASI DAN PENINGKATAN PENDAPATAN MELALUI PENDAMPINGAN PENGENDALIAN TANAMAN TERPADU (PTT) DI PROVINSI BALI." Jurnal Pengkajian dan Pengembangan Teknologi Pertanian 22, no. 1 (2020): 53. http://dx.doi.org/10.21082/jpptp.v22n1.2019.p53-65.

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<p><strong><em>Performance of Irrigated Rice Varieties and Incresing t of Income Through </em></strong><strong><em>ICM</em></strong><strong><em> Assistance in Bali Province. </em></strong>Rice commodity assistance program is a strategic approach to increase rice productivity through Integrated Crop Management (ICM) to support sustainable agriculture. The study aimed to determine the agronomic performance of several high yielding varieties (HYVs) of rice and to increase farmers' income through mentoring programs ICM. The research was conducted using HYVs display locations in 9 districts/city in 2014 Bali Province. The study involved 45 respondents before and after ICM by taking 5 people from each regency/city using stratified random sampling method. The data of the collected agronomic components were analyzed using the diversity scheme (ANOVA). Costs and farm income were analyzed using analysis of income and financial feasibility. Agronomic performance of several high yielding varieties (HYVs) of rice on ICM mentoring program were different according to varieties and types of land agro-ecosystem. The analysis showed an increase in productivity with the implementation of ICM average of 1.30 tonnes/ha RHD increased by 24.82%. Rice farm income per hectare after ICM of 17.209.704,00 IDR and before ICM 12.644.656,00 IDR or increased 36.10%. The results of financial analysis indicated that the farming system was feasible to be developed with R/C after ICM of 2.94 and before ICM 2.53 or difference by 0.41. Rice farming is expected to implement ICM in order to support sustainable agriculture.<strong><em></em></strong></p><p><strong>Key</strong><strong>word<em>s</em></strong>: <em>rice, ICM, high yielding varieties, income</em><strong><em></em></strong></p><p align="center"><strong>ABSTRAK</strong><strong></strong></p><p align="center"><strong> </strong></p><p>Program pendampingan komoditas padi merupakan pendekatan yang strategis dalam peningkatan produktivitas padi sawah melalui Pengelolaan Tanaman Terpadu (PTT) untuk mendukung pertanian berkelanjutan. Penelitian bertujuan mengetahui keragaan agronomis beberapa varietas unggul baru (VUB) padi sawah dan peningkatan pendapatan petani melalui program pendampingan PTT. Penelitian dilaksanakan pada lokasi display VUB di 9 kabupaten/kota Provinsi Balitahun 2014. Penelitian melibatkan 45 orang responden sebelum dan sesudah PTT dengan mengambil 5 orang masing-masing kabupaten/kota menggunakan metode <em>stratified random sampling</em>. Data komponen agronomis yang dikumpulkan dianalisis menggunakan sidik keragaman (ANOVA). Biaya dan pendapatan usahatanidianalisis menggunakan analisis pendapatan dan kelayakan finansial. Keragaan agronomis beberapa VUB padi sawah pada program pendampingan PTT berbeda menurut varietas dan tipe agroekosistem lahan. Hasil analisis menunjukkan peningkatan produktivitas dengan penerapan PTT rata-rata sebesar 1,30 ton/ha GKG atau meningkat 24,82%. Pendapatan usahatani padi sawah per hektar sesudah PTT sebesar Rp17.209.704 dan sebelum PTT sebesar Rp12.644.656 atau meningkat 36,10%. Hasil analisis finansial menunjukkan layak untuk dikembangkan dengan nilai R/C sesudah PTT sebesar 2,94 dan sebelum PTT 2,53 atau selisih 0,41. Usahatani padi diharapkan menerapkan PTT mendukung pertanian berkelanjutan. </p><p><strong>Kata </strong><strong>k</strong><strong>unci: </strong><em>padi, PTT, varietas unggul baru, pendapatan</em></p>
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Jelliffe, Jeremy, Boris Bravo-Ureta, C. Deom, and David Okello. "Adoption of High-Yielding Groundnut Varieties: The Sustainability of a Farmer-Led Multiplication-Dissemination Program in Eastern Uganda." Sustainability 10, no. 5 (2018): 1597. http://dx.doi.org/10.3390/su10051597.

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Soomro, Abdul Wahab. "Phenotypic response of cotton genotypes for yield and fiber quality traits." International Journal of Cotton Research and Technology 2, no. 1 (2020): 17. http://dx.doi.org/10.33865/ijcrt.002.01.0348.

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Twenty five cotton genotypes were tested with two standard check varieties in National Coordinated Varietal Trial (NCVT). The significant difference was observed among all the genotypes of yield, its contributing traits and fiber quality traits, which indicated sufficient genetic diversity were present in the material. Among the genotypes, ICI-2121, GH-Hadi and NIAB-898 are high yielding cotton genotypes, these are suggested for commercial cultivation at the environmental condition of central zone of Sindh to boost up cotton production and at the same time utilization in hybridization and breeding program to evolve high yielding variety. For the fiber quality traits NIBA-898 and NS-191 are suitable genotypes to meet the criteria of textile sector.
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Perdhana, Fyannita, Tri Hastini, and Iskandar Ishaq. "West Java local rice panicle branching architecture." E3S Web of Conferences 306 (2021): 01013. http://dx.doi.org/10.1051/e3sconf/202130601013.

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As local varieties of rice have a very important role as a source of valuable traits in developing high yielding variety through plant breeding programs, it is needed to be characterized. Panicle branching characterization is one of the efforts to understand local varieties of rice characteristics more. We have observed thirtheen characters of panicle branching on 24 West Java local rice varieties. Five panicles of each varieties as accession was observed and statistical analysed. Tukey’s Honest Significant Difference (HSD) test showed differences among accessions in all panicle branching characteristics observed. Based on Principles Component Analysis (PCA), the panicle branching characters observed generally showed the same direction, but among them were not always to be correlated. In the result of clustering based on the ward linkage method, the accessions were divided into two clusters. The first one had 8 members, and the second one had 16 members. The cophenetic correlation coefficient was 0.60, indicated that the clustering through standardized value was faithfully enough to represent the original distances. The result of this research can provide the information for breeder in selecting rice genotypes which have more seeds per panicle as parent in assembling new high yielding rice varieties.
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Hairmansis, Aris, Bambang Kustianto, and Suwarno Suwarno. "CORRELATION ANALYSIS OF AGRONOMIC CHARACTERS AND GRAIN YIELD OF RICE FOR TIDAL SWAMP AREAS." Indonesian Journal of Agricultural Science 11, no. 1 (2013): 11. http://dx.doi.org/10.21082/ijas.v11n1.2010.11-15.

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<p>Development of rice varieties for tidal swamp areas is emphasized on the improvement of rice yield potential in specific environment. However, grain yield is a complex trait and highly dependent on the other agronomic characters; while information related to the relationship between agronomic characters and grain yield in the breeding program particularly for tidal swamp areas is very limited. The objective of this study was to investigate relationship between agronomic characters and grain yield of rice as a basis for selection of high yielding rice varieties for tidal swamp areas. Agronomic characters and grain yield of nine advanced rice breeding lines and two rice varieties were evaluated in a series of experiments in tidal swamp areas, Karang Agung Ulu Village, Banyuasin, South Sumatra, for four cropping seasons in dry season (DS) 2005, wet season (WS) 2005/2006, DS 2006, and DS 2007. Result from path analysis revealed that the following characters had positive direct effect on grain yield, i.e. number of productive tillers per hill (p = 0.356), number of filled grains per panicle (p = 0.544), and spikelet fertility (p = 0.215). Plant height had negative direct effect (p = -0.332) on grain yield, while maturity, number of spikelets per panicle, and 1000-grain weight showed negligible effect on rice grain yield. Present study suggests that indirect selection of high yielding tidal swamp rice can be done by selecting breeding lines which have many product tive tillers, dense filled grains, and high spikelet fertility.</p>
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Hairmansis, Aris, Bambang Kustianto, and Suwarno Suwarno. "CORRELATION ANALYSIS OF AGRONOMIC CHARACTERS AND GRAIN YIELD OF RICE FOR TIDAL SWAMP AREAS." Indonesian Journal of Agricultural Science 11, no. 1 (2013): 11. http://dx.doi.org/10.21082/ijas.v11n1.2010.p11-15.

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<p>Development of rice varieties for tidal swamp areas is emphasized on the improvement of rice yield potential in specific environment. However, grain yield is a complex trait and highly dependent on the other agronomic characters; while information related to the relationship between agronomic characters and grain yield in the breeding program particularly for tidal swamp areas is very limited. The objective of this study was to investigate relationship between agronomic characters and grain yield of rice as a basis for selection of high yielding rice varieties for tidal swamp areas. Agronomic characters and grain yield of nine advanced rice breeding lines and two rice varieties were evaluated in a series of experiments in tidal swamp areas, Karang Agung Ulu Village, Banyuasin, South Sumatra, for four cropping seasons in dry season (DS) 2005, wet season (WS) 2005/2006, DS 2006, and DS 2007. Result from path analysis revealed that the following characters had positive direct effect on grain yield, i.e. number of productive tillers per hill (p = 0.356), number of filled grains per panicle (p = 0.544), and spikelet fertility (p = 0.215). Plant height had negative direct effect (p = -0.332) on grain yield, while maturity, number of spikelets per panicle, and 1000-grain weight showed negligible effect on rice grain yield. Present study suggests that indirect selection of high yielding tidal swamp rice can be done by selecting breeding lines which have many product tive tillers, dense filled grains, and high spikelet fertility.</p>
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Dissertations / Theses on the topic "High Yielding Varieties Program"

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Halm, Grant Bernard. "Domestic market opportunities for high yielding semi-dwarf wheat varieties." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61963.

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Prasad, Rajib. "Identification of high seed yielding and stable fenugreek mutants." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciences, c2011, 2011. http://hdl.handle.net/10133/3118.

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Fenugreek (Trigonella foenum-graecum L.) was recently introduced to western Canada as a forage crop. To reach its full potential, high yielding, early maturing fenugreek cultivars that produce good seed yield and quality within 100 frost free days need to be developed. In this study, mutation breeding approach was used on five locally adapted fenugreek genotypes to generate variants showing improved seed yield and yield attributing traits that can be used for cultivar development. Mutant generations of these plants were evaluated in multi-location, multi-year trials, and individual plants were selected for high seed and biomass yield. Seeds from a tetraploid fenugreek line and its diploid parent Tristar were grown under multiple environments to understand effect of environment on seed oil content. In addition, mold resistant fenugreek genotypes were identified by screening a collection of fenugreek accessions against a destructive fungal pathogen Cercospora traversiana.<br>xv, 179 leaves : ill. ; 29 cm
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Victoria, Melanie Villanueva. "Agricultural Technolongy in Bangladesh: a Study on Non-Farm Labor and Adoption by Gender." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/34262.

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There is growing interest in learning the impacts of agricultural technologies especially in developing economies. Economic analysis may entail assessment of employment and time allocation effects of new technologies. An issue of importance in South Asia is the impacts of technological change on a specific type of occupation: rural non-farm activities. In order to fully understand these effects, the research must integrate gender differences and determine if the results would be similar irrespective of gender. This paper particularly looks at the effects of HYV adoption on time allocation and labor force participation of men and women in non-farm activities. In estimating the effects of HYV adoption on non-farm labor supply, information on the dependent variable, supply of non-farm labor (or the number of days worked while engaged in non-farm labor), is not available for individuals who do not participate in non-farm labor. Hence sample selection or self-selection of individuals occurs. A feasible approach to the problem of sample selection is the use of Heckman's Two Stage Selection Correction Model. Income functions were estimated for males and females while correcting for the sample selection of non-farm wage earners. An enhanced understanding of the conceptual links among HYV adoption, non-farm labor supply, and gender issues is achieved by discussing the Farm Household Model. The constrained maximization which is drawn from the Farm Household Model would bring about demand functions and reduced form functions for adoption and labor supply. The reduced-form equations are estimated at the individual level for the following: adoption of HYV technology in rice cultivation, and non-farm labor supply of both adult males and females. Regression results are presented for both Ordinary least squares (OLS) and Tobit estimates. HYV adoption and non-farm labor supply of men and women are influenced by several factors in Bangladesh. The household characteristics assumed to potentially determine technology adoption and non-farm labor decisions are the following: non-farm wages per month of the males and females, farm size, asset value, ratio of yield per decimal land of high-yielding to traditional variety of rice, HYV yield, local variety yield, and the ratio of variance of yield per decimal land of HYV to traditional or local varieties. The empirical findings suggest that the decision to adopt HYV technology is determined primarily by farm size, value of total assets of the household, ratio of yield per decimal of land of high-yielding to traditional variety of rice, and the ratio of variance of yield per decimal of land of high-yielding to traditional variety of rice. A larger farm size or land owned in decimal unit increases the non-farm labor supply of females, but not of men. HYV yield is significant and positive, while the local variety yield is significant and negative. This means that higher HYV yields increase the supply of non-farm labor of women, while higher local or traditional yields lower women's supply of non-farm labor.<br>Master of Science
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Pandey, I. Priyanka. "Explicit and implicit contracts in North Indian villages : effects of technology on incentive design /." 1999. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:9934105.

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Mucavele, Custodio Estevao. "The economics of smallholder rice producers in Bilene-Macia District, southern Mozambique." Diss., 2001. http://hdl.handle.net/2263/29117.

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Research carried out in several countries has concluded that high yielding varieties (HYV) of rice have tremendous potential compared to traditional rice varieties in alleviating poverty. On the other hand, it is argued that despite increase in yields, high yielding varieties do not benefit the poor farmers because of high costs associated with input acquisition and other operational costs. To further understand the issues related to production and economics of HYV, this study was carried out with its primary objective to assess the profitability of smallholder rice production in Mangol, Bilene district in southern Mozambique. Out of a total population of eighty farmers, sixty farmers participated in this research. Two groups of farmers, one using traditional rice varieties and the other using high yielding varieties were surveyed. The study consisted of field observations; yield measurements and interviews of the farmers using a semi-structured questionnaire. Gross margins were calculated for both traditional input users (TIU) and modem input users (MIU). Results show that an average farmer using high yielding varieties produces 4.4 tons of rice per ha, corresponding to a gross margin of 4 238 000,00 MZM. The highest yield obtained with high yielding varieties was 7.3 tons of rice per ha, producing a gross margin of 10 038 000,00 MZM. On the other hand, an average TIU farmer produces 2.5 tons per ha, realising a gross margin of 3 483 125, 00 MZM. The maximum yield attainable using traditional inputs is 2.9 tons per ha, producing a gross margin of 4 283 125, 00 MZM. The results also show that the lowest yield obtained by farmers using modern inputs was 3.1 tons per ha, producing gross margins of 1 638 000,00 MZM while the lowest attainable when using traditional inputs is 1.7 tons producing gross margins of 1 913 125,00 MZM. The main conclusion of this study was that HYV are more profitable than traditional varieties, both in financial terms, to individual farmer and in economic terms, to the society as a whole. However, due to high production costs, farmers producing HYV must attain yield levels not less than 3.4 tons per ha as yields below that level make little financial incentives and does not motivate farmers to shift from traditional varieties to modern varieties. In order to ensure high yields, farmers must be assisted to carefully implement the recommended agronomic practices because the adoption of high yielding varieties does not ensure profitable yields if the other agronomic and management practices are not observed during the production process. The study also assessed the contribution of agricultural support services such as input supply, credit and extension, on the adoption of new technologies and it was concluded that when agricultural support services are available, farmers can successfully adopt recommended technologies.<br>Dissertation (M Inst Agrar (Agricultural Economics))--University of Pretoria, 2006.<br>Agricultural Economics, Extension and Rural Development<br>unrestricted
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Shwe, Tin Maung. "Introduction of high yielding rice varieties : implications for the hired agricultural labour market in Burma." 1990. http://hdl.handle.net/1993/17296.

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Changaya, Albert Gideon. "Development of high yielding pigeonpea (Cajanus cajan) germplasm with resistance to Fusarium wilt (Fusarium udum) in Malawi." Thesis, 2007. http://hdl.handle.net/10413/968.

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Books on the topic "High Yielding Varieties Program"

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Saha, Anamitra. Determinants of adoption of HYV rice in West Bengal. K.P. Bagchi & Co., 2004.

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Tripathy, Ram Niranjan. Technology, farm output, and employment in a tribal region. Mittal Publications, 1988.

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Salam, M. Abdul. High yielding varieties of cashew. Kerala Agricultural University, 1995.

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Dalrymple, Dana G. Development and spread of high-yielding wheat varieties in developing countries. 7th ed. Bureau for Science and Technology, Agency for International Development, 1986.

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Dalrymple, Dana G. Development and spread of high-yielding wheat varieties in developing countries. Bureau for Science and Technology, Agency for International Development, 1986.

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Dalrymple, Dana G. Development and spread of high-yielding rice varieties in developing countries. Bureau for Science and Technology, Agency for International Development, 1986.

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Bera, Anil K. Adoption of high yielding rice varieties in Bangladesh: An econometric analysis. College of Commerce and Business Administration, University of Illinois at Urbana-Champaign, 1988.

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High yielding varieties of rice: A study of selected areas in Kerala. Centre for Development Studies, 1985.

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1947-, Ramasamy C., Aiyasamy P. K, and International Food Policy Research Institute., eds. The Green Revolution reconsidered: The impact of high-yielding rice varieties in South India. Johns Hopkins University Press, 1991.

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Beyond the green revolution: New approaches for Third World agriculture. Worldwatch Institute, 1986.

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Book chapters on the topic "High Yielding Varieties Program"

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Reddy, P. Parvatha. "High-Yielding and Adapted Varieties." In Sustainable Intensification of Crop Production. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2702-4_9.

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Sivasamy, M., V. K. Vikas, P. Jayaprakash, Jagdish Kumar, M. S. Saharan, and Indu Sharma. "Gene pyramiding for developing high-yielding disease-resistant wheat varieties." In Management of Wheat and Barley Diseases. Apple Academic Press, 2017. http://dx.doi.org/10.1201/9781315207537-13.

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Bahl, J. R., A. K. Singh, R. K. Lal, and A. K. Gupta. "High-Yielding Improved Varieties of Medicinal and Aromatic Crops for Enhanced Income." In New Age Herbals. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8291-7_12.

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Zapata, F. J., and R. R. Aldemita. "Induction of Salt Tolerance in High-Yielding Rice Varieties through Mutagenesis and Anther Culture." In Current Options for Cereal Improvement. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0893-2_18.

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Akpo, Essegbemon, Chris O. Ojiewo, Issoufou Kapran, Lucky O. Omoigui, Agathe Diama, and Rajeev K. Varshney. "General Context of Smallholder Farmers’ Access to Seed of Improved Legume Varieties and Innovation Platform Perspectives." In Enhancing Smallholder Farmers' Access to Seed of Improved Legume Varieties Through Multi-stakeholder Platforms. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8014-7_1.

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AbstractThe high percentage of farmers (80–90%), including the pro-poor in remote areas, who have no access to recently released and high-yielding varieties proves the failure of various seed delivery models implemented so far. The ideal model to grow a crop commodity business to reach farmers in developing countries with seed of improved legume crop varieties has been a hard topic for development organizations. Past studies have shown that the full and balanced integration of multiple stakeholders’ knowledge and contexts into the process of agricultural technology development increases the uptake and ownership among end users.
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Alauddin, Mohammad, and Clement Tisdell. "Patterns and Determinants of Farm-Level Adoption and Diffusion of High-Yielding Varieties (HYVs) and their Technology." In The 'Green Revolution' and Economic Development. Palgrave Macmillan UK, 1991. http://dx.doi.org/10.1057/9780230377455_7.

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Puozaa, Doris K., Alhassan Nuhu Jinbaani, Desmond S. Adogoba, et al. "Enhancing Access to Quality Seed of Improved Groundnut Varieties Through Multi-Stakeholder Platforms in Northern Ghana." In Enhancing Smallholder Farmers' Access to Seed of Improved Legume Varieties Through Multi-stakeholder Platforms. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8014-7_5.

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AbstractOne of the main constraints to groundnut production has been the use of low yielding varieties, susceptible to biotic and abiotic stresses. Multi-stakeholder platforms (MSPs) have been used by agricultural research organizations to help make their research more relevant and to facilitate the adaptation and dissemination of findings. In the implementation of TLIII project in Ghana, eight MSPs were set up with the objective to improve groundnut productivity among actors through improved access to varieties and related technologies. Through trainings, demonstrations and field days, the platform members totalling 347 (55% being female) were exposed to two existing improved groundnut varieties and several candidate varieties which were yet to be released. The actors have become important sources of high-quality groundnut seed in their communities and beyond with the production of 5 tons of seed of the new varieties. The seed farms where improved varieties were planted and managed using good agronomic practices (GAPS) yielded up to 1.6 tons/ha, 70% higher than the use of their old varieties and practices on their personal farms which gave less than 0.5 tons/ha. This form of experiential learning was observed to be very useful in the willingness of platform members to uptake technology. As unintended benefits, through the use of funds raised by the associations, the sanitation and health of some members and their households were improved, and many engaged in non-farm businesses. Going forward, good conflict resolution skills and access to funds for supporting platform activities and members’ individual interests would be very important in the sustainability of these platforms.
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Ali, Jauhar, Mahender Anumalla, Varunseelan Murugaiyan, and Zhikang Li. "Green Super Rice (GSR) Traits: Breeding and Genetics for Multiple Biotic and Abiotic Stress Tolerance in Rice." In Rice Improvement. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66530-2_3.

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AbstractThe frequent fluctuations in global climate variability (GCV), decreases in farmland and irrigation water, soil degradation and erosion, and increasing fertilizer costs are the significant factors in declining rice productivity, mainly in Asia and Africa. Under GCV scenarios, it is a challenging task to meet the rice food demand of the growing population. Identifying green traits (tolerance of biotic and abiotic stresses, nutrient-use efficiency, and nutritional grain quality) and stacking them in high-yielding elite genetic backgrounds is one promising approach to increase rice productivity. To this end, the Green Super Rice (GSR) breeding strategy helps to pool multi-stress-tolerance traits by stringent selection processes and to develop superior GSR cultivars within a short span of 4–5 years. In the crossing and selection process of GSR breeding, selective introgression lines (SILs) derived from sets of early backcross BC1F2 bulk populations through both target traits and non-target traits were selected. Genotyping of SILs with high-density SNP markers leads to the identification of a large number of SNP markers linked with the target green traits. The identified SILs with superior trait combinations were used for designed QTL pyramiding to combine different target green traits. The GSR breeding strategy also focused on nutrient- and water-use efficiency besides environment-friendly green features primarily to increase grain yield and income returns for resource-poor farmers. In this chapter, we have highlighted the GSR breeding strategy and QTL introgression of green traits in rice. This breeding strategy has successfully dissected many complex traits and also released several multi-stress-tolerant varieties with high grain yield and productivity in the target regions of Asia and Africa.
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Swarnapriya, Ramakrishna. "Breeding Approaches for Biotic Stress Resistance in Vegetables." In Plant Breeding - Current and Future Views. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.94983.

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In vegetables the factors for biotic stress are pests, diseases and nematodes. The damages induced by these factors reflect highly on production, productivity and quality. Although application of pesticides/fungicides and nematicides has managed these stresses, excessive use of unsafe chemicals results in environmental pollution and leave residues in vegetables which are above threshold levels and also promote the development of new races/biotypes of pests and pathogens. Therefore vegetable improvement works concentrate on high yielding varieties with multiple resistance to these biotic stresses. For such studies, the knowledge on the genetic basis of resistance and plant-pest/pathogen interactions is necessary which will in turn improve the efficiency of the breeding programmes by introducing resistant genes and result in high-yielding genetically resistant cultivars. For the development of resistant varieties and pre-breed lines, information on sources of resistance is prerequisite and serve as a backbone in the breeding programme. Further, gene action responsible for the inheritance of characters helps in the choice of suitable breeding methods for the improvement of the crop. Work has been done by using the various breeding methods and resistant varieties have been bred and they offer the cheapest means of pest/disease/nematode control. Resistant varieties obviate the use of chemicals, thus reduce environmental pollution and facilitate safe food for human consumption.
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Perkins, John H. "Hunger, Overpopulation, and National Security : A New Strategic Theory for Plant Breeding, 1945-1956." In Geopolitics and the Green Revolution. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195110135.003.0009.

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The Mexican Agricultural Program (MAP) was the catalyst that brought plantbreeding science into the arena of international relations. During the first few years of the MAP’s operations, however, no programmatic framework existed to promote plant breeding on a global basis. Although a private philanthropy like the Rockefeller Foundation might support plant-breeding research, it was not clear that governments would be interested in the field as a way of achieving their international ambitions. The trustees of the Rockefeller Foundation, with their sense that success with MAP might lead to further ventures, were possibly the only group with even the rudiments of an idea about the international importance of plant breeding. By 1970, however, plant breeding was firmly entrenched in global international relations. Extensive national research organizations in many countries, a collection of prestigious international research stations, and an international coordinating network of supporters created a complex institutional nexus within which plant breeding and allied sciences were well supported. Research conducted in this network of national and international experiment stations led to the high-yielding varieties of wheat and rice that significantly altered regional, national, and international economies. Several factors governed the ability of plant breeding to become a “normal” part of international dealings. First, the science had to have something to offer. As described in chapters 3 through 5, by 1945 plant breeding had demonstrated that it could produce results of interest. Second, national governments wanting to extend or receive international aid in plant breeding had to have a national capacity to con duct the science. Chapters 4 and 5 provide an account of how the United States, Britain, India, and Mexico each gained this capacity. A full comprehension of why and how wheat breeding entered the international arena requires attention to three additional points. First, what was the general intellectual and political climate that promoted the science’s entry into international relations? Second, what specifically did individual countries do to participate in aid programs including wheat-breeding research? Finally, what was the research program that led to the high-yielding wheat varieties, and how was this program created? In this chapter we turn to the first of these three questions.
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Conference papers on the topic "High Yielding Varieties Program"

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Didenko, Irina, Valentina Limanskaya, Viktor Buyankin, and Gul'nar Imanbaeva. "Creating of new high-yielding grains of wheatgrass for the steppe zone of the between Volga and Urals." In Multifunctional adaptive fodder production23 (71). Federal Williams Research Center of Forage Production and Agroecology, 2020. http://dx.doi.org/10.33814/mak-2020-23-71-97-101.

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Lioe, Hanifah, Munyatul Islamiah, and Anton Apriyantono. "Preference Study of Rice Obtained from Some Areas Which Represent the High Yielding Varieties of Rice in Indonesia." In SEAFAST International Seminar. SCITEPRESS - Science and Technology Publications, 2019. http://dx.doi.org/10.5220/0009978200570062.

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Suslova, V. A., M. S. Kornilova, and E. A. Galichkina. "Result of breeding work to create promising new variety of melon ‘Katyusha’." In CURRENT STATE, PROBLEMS AND PROSPECTS OF THE DEVELOPMENT OF AGRARIAN SCIENCE. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-2020-5-9-10-77.

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This article provides brief information about melon varieties, presents the results of testing promising breeding varieties of the Bykovskaya experimental station. As a result of three-year research, promising new high-yielding (up to 25.7 t/ha) melon variety ‘Katyusha’ was identified. The average fruit weight over three years reached 2.8 kg. Tasting score was 4.5 points. According to our studies, 2019 was the most favorable year for the cultivation of melon variety ‘Katyusha’, since it exceeded the yield of standard one during the years of research. Thus, ‘Katyusha’ deserves its proper place on the market.
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Tyslenko, A. M., D. V. Zuev, and S. E. Skatova. "Spring triticale breeding in the Upper Volga Federal Agrarian Scientific Center." In CURRENT STATE, PROBLEMS AND PROSPECTS OF THE DEVELOPMENT OF AGRARIAN SCIENCE. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-2020-5-9-10-79.

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The results of spring triticale breeding in the Upper Volga Federal Agrarian Scientific Center in cooperation with scientific institutions of Russia, Belarus and Kazakhstan are presented. Collaboration was based on an environmental principle. The main task was creation of varieties tolerant to biotic and abiotic stresses with potential feed grain yield of 5.0–6.5 t/ha on low fertile soils and 8.0–-9.0 t/ha on cultivated by intensive technologies. During 2003–2019 high-yielding mid-early spring triticale varieties ‘Grebeshok’, ‘Amigo’, ‘Amore’, ‘Rovnya’, ‘Rossika’; mid-season ‘Normann’, ‘Carmen’, ‘Dobroe’, ‘Zaozerye’, Dauren were created and approved for use in various regions of the Russian Federation. Cultivation of these varieties contributes to an increase and stabilization of feed grain harvests, an improvement in the ecological balance of the environment, an introduction of temporarily uncultivated lands into agricultural circulation, and an increase in livestock productivity.
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Ptashnik, O. P. "Results of the introduction of Lupinus varieties and samples in the Steppe Crimea." In CURRENT STATE, PROBLEMS AND PROSPECTS OF THE DEVELOPMENT OF AGRARIAN SCIENCE. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-2020-5-9-10-75.

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Within a framework of Lupinus varieties and samples assessment, we have found that the growing season of Lupinus albus L. was 93, Lupinus angustifolius L. – 99, and Lupinus luteus L. – 95 days under conditions of the Steppe Crimea. The average yield of white lupin seeds was 1.63 t/ha; blue or narrow-leafed lupin – 1.18 t/ha; yellow lupin – 0.72 t/ha. L. albus is more productive compared to L. angustifolius and L. luteus. The seed yield of all studied varieties and samples of white lupin was higher than that of the standard one ‘Michurinsky’. Samples CH-2-17 and CH-78-16 were the most high-yielding (1.77 and 1.74 t/ha, respectively). Variety ‘Belorozovy 144’ was the most promising among the representatives of narrow-leafed lupin; its yield reached 1.64 t/ha. The best in grain size was white lupin; 1000-grains weight was within the range of 200-222g. Varieties of narrowleafed lupin ‘Belorozovy 144’ and ‘Bryansky kormovoy’ contained the least amount of alkaloids (0.021 and 0.022%, respectively).
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Grebennikov, Vadim. "Agro-energy efficiency of growing intermediate wheatgrass, elongated wheatgrass and yellow alfalfa on downed forage lands in the dry-steppe zone." In Multifunctional adaptive fodder production23 (71). Federal Williams Research Center of Forage Production and Agroecology, 2020. http://dx.doi.org/10.33814/mak-2020-23-71-125-129.

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The justification of agro-energy efficiency of growing new high-yielding drought-resistant varieties and types of perennial grasses, such as intermediate Wheatgrass, elongated Wheatgrass and yellow alfalfa, which provide a positive effect of interaction of legume-cereal grass mixtures and single-species crops that are resistant to abiotic factors while improving hayfields and pastures of the arid zone, is presented. All studied grass mixtures and single-species crops of yellow alfalfa had a high annual yield of gross (21.7–48.7 GJ/ha) and exchange energy (13.5–32.1 GJ/ha) and provided the production of full-fledged feed.
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Guillermier, Pierre, Julien Banchet, David Tisseur, Se´bastien Hermosilla Lara, Marc Bivert, and Marc Piriou. "HTR Fuel Integrity With Electromagnetic, Vision and Radiographic Nondestructive Evaluation Methods." In Fourth International Topical Meeting on High Temperature Reactor Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/htr2008-58092.

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In order to ensure HTR fuel qualification, as well as reactor safety, particles need to satisfy a set of specifications including particle integrity. To achieve this goal, AREVA NP has been engaged for several years in a R&amp;D program aiming at the development of innovative industrial non destructive evaluation methods for HTR fuel as alternatives to destructive methods. After investigating a number of potential techniques, development has been focused on vision and eddy currents, both aiming at crack detection. High resolution Phase Contrast X-Ray imaging was also studied for structural defects characterization. For all these techniques, besides the development of HTR fuel dedicated control methods, equipment and probes were specifically designed, tested and optimized thanks to experiments conducted on real and artificial flaws, yielding for some of the methods to potential industrialization and quality control performed over 100% of the fuel production.
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Varacalle, D. J., G. Irons, R. J. Lalumiere, W. D. Swank, and J. Lagerquist. "Modeling and Diagnostics of a New High-Velocity Combustion Wire Spray Process." In ITSC 1998, edited by Christian Coddet. ASM International, 1998. http://dx.doi.org/10.31399/asm.cp.itsc1998p0529.

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Abstract The High-Velocity Combustion Wire Process is a new high-velocity combustion process now being used in the thermal spray industry. This process combines air, oxygen, and a fuel gas to generate a high-temperature, high-velocity plume that is optimum for producing metallic coatings. Analytical studies were conducted to investigate gas and droplet dynamics for the spraying of three different materials: aluminum, stainless steel, and molybdenum. With the relatively low flame temperatures of the process, the feedstock wire is melted by convective heat transfer with no superheating or vaporization of the droplets. When the droplets strike the substrate, their temperature peaks as the high kinetic energy of the droplet is transformed into thermal energy. The conservation equations were solved using the TORCH computer model, yielding the temperature and velocity profiles as a function of location. The PROCESS gas/droplet computer program was then employed to calculate the dynamics of the molten droplets. The results of this modeling was confirmed with process diagnostics. Experimentation included droplet temperature measurements using a two-color pyrometer and droplet velocity measurements using particle imaging velocimetry for the stainless steel material system. The coatings produced in the study exhibit superior quality with high density, high hardness, low oxide content, and high bond strength.
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Vik, Camilla Berge, Jo̸rgen Amdahl, and Ulf Danielsen. "Explosion Simulations/Structural Analysis With FLACS and USFOS." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49333.

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A structural analysis performed by Scandpower combining explosion simulations and structural analysis utilising the the computer tools USFOS and FLACS is described. As of today, the most common procedure for elastic and plastic explosion response analyses is to define the explosion load as a uniform pressure vs. time function for all surfaces and elements in the model. Capabilities of the computer tools FLACS and USFOS allow for a more refined approach, recognizing that for large geometries explosion pressure will vary in both time and spatial domain. USFOS (Ultimate Strength for Offshore Structures) (Ref. /1/) is a leading computer program for nonlinear static and dynamic analysis of space frame structures. The program accurately simulates the collapse process, from the initial yielding, through to the formation of a complete collapse mechanism and the final toppling of the structure. FLACS (FLame ACcellerator Simulator) (Ref. /2, 3/) is a computational fluid dynamics (CFD) tool for modeling of ventilation, gas dispersion and explosions in complex process areas. The FLACS code allows for monitoring pressures at user defined surface areas, which can be chosen to correspond with an USFOS model. Results from FLACS simulations may be defined as individual time/pressure load histories to different parts of a steel structure. This high resolution of the explosion loads was further utilized by combining the results with USFOS. The combination of FLACS and USFOS in a structural analysis has shown that there may be significant capacity reserves compared to a standard “equal area pressure” analysis when analyzing a structure for a spatially variable explosion load.
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Buitrago, Jaime, Adam J. Rinehart, Howard Wang, and John E. Miller. "The Effect of Reeling on the Fatigue of Welded Risers." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-21131.

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ExxonMobil Upstream Research Company (URC) conducted a pilot testing program to systematically assess the effect of reeling on the fatigue performance of welded risers. Given the criticality of deepwater risers, a robust reeling simulation method was developed. The method properly addresses the fundamental weld sampling issue arising from the randomness of the plane in which risers are reeled. To address that issue the nominal reeling strain is accumulated around the entire circumference of girth weld, thereby capturing the weak fatigue bending plane. The reeling simulation is implemented by using multi-plane bending. The number and orientation of bending planes needed to simulate a total cumulative reeling strain are based on (1) the strain experienced during the process being simulated (2) weld fabrication and inspection records and (3) residual stresses left after reeling calculated via finite element analyses. Thirty production-quality welds were made on 323mm OD × 20.5-mm WT (12.75-in OD × 0.81-in WT) seamless X60 pipe, yielding a total of 14 full-scale specimens. Two different welding procedures and two different cumulative nominal strain levels were used. The effect of reeling on fatigue was assessed by comparing the fatigue lives obtained with companion reeled and non-reeled full-scale specimens. Results indicate that, although there was a distinct deleterious effect of reeling on fatigue life, the performance may still be adequate for most riser applications when high quality welds are used and qualified.
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