Дисертації з теми "Soybean maturity"
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Shepherd, Michelle J. "Planting Date and Relative Maturity Effects on Soybean Grain Yield." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1524010217273909.
Повний текст джерелаLooker, Wayde. "Effect of Relative Maturity on Soybean Yield and Cover Crop Biomass Evaluation Methods." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1554894697089079.
Повний текст джерелаJohnson, Bryan Fisher. "Influence of Several Herbicides on Visual Injury, Leaf Area Index, and Yield of Glyphosate-Tolerant Soybean (Glycine max)." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/32295.
Повний текст джерелаMaster of Science
Johnson, Kory Lee. "Relative Maturity and Row Spacing Effect on Establishment of Interseeded Cover Crops into Soybean." Thesis, North Dakota State University, 2020. https://hdl.handle.net/10365/31797.
Повний текст джерелаBateman, Nicholas Ryan. "Impact of Planting Date and Maturity Group on Management Strategies for Insect Pests in Soybean." Thesis, Mississippi State University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10264792.
Повний текст джерелаSoybean accounts from more than half of the acres dedicated to row crop production in the mid-south, leading to a wide planting window from late-March through mid-July. Studies were conducted in 2013 and 2014 evaluating seven planting dates of soybean, and their impact on agronomics. As planting was delayed, plant heights significantly increased, increasing the potential for lodging. Canopy closure significantly decreased as planting was delayed, leaving soybean more vulnerable to caterpillar pests. Yield potential also significantly decreased as planting was delayed. Season long surveys of insect pests and their arthropod natural enemies were conducted from 2013 to 2014 in small plot studies, and in large plot studies from 2015 to 2016 across multiple planting dates. The most common insect pests encountered in both studies were bean leaf beetles, the stink bug complex, and soybean looper. The most common natural enemies encountered were lady beetles, spiders, and the assassin bug complex. In general, insect pests densities increased as planting was delayed, whereas natural enemies were higher in earlier plantings or had no change throughout the planting windows. With the increased difficulty of controlling some caterpillar pests such as soybean looper, new control tactics need to be evaluated. A simulated Bt treatment was evaluated against a threshold, bug only, and untreated control across multiple plantings in 2013 and 2014. The simulated Bt treatment yielded significantly higher than the untreated control at plantings from early-June through mid-July. These were the only plantings that reached action threshold for soybean looper. The simulated Bt and threshold treatments were not significantly different from one another. In 2015 and 2016, a simulated Bt treatment plus threshold was evaluated in a late planting situation. The simulated Bt plus threshold treatment yielded significantly higher than the untreated control at the early-June and early-July plantings. Also in 2015 and 2016, the simulated Bt treatment was evaluated against a grower check on producer fields at 23 locations. The simulated Bt treatment resulted in significantly higher soybean yields than the grower check.
Morrogh, Bernard Maria. "ECOPHYSIOLOGICAL ANALYSIS OF YIELD DETERMINATION IN SOYBEAN OF DIFFERENT RELATIVE MATURITIES." UKnowledge, 2018. https://uknowledge.uky.edu/pss_etds/108.
Повний текст джерелаGregg, Gary L. "Inducing Stress Early and Reducing Stress Late to Increase Soybean (Glycine max) Yield." UKnowledge, 2015. http://uknowledge.uky.edu/pss_etds/65.
Повний текст джерелаSkoneczka, Jeffrey Allen. "Investigation of Putative Genetic Factors Associated with Soybean [Glycine Max (L.) Merr.] Seed Quality Traits." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/40338.
Повний текст джерелаPh. D.
Sweep, Ethan. "Seeding Date, Maturity Rating, and Location Influence on Soybean (Glycine max L. (Merr.)) Performance and Phenology in Eastern North Dakota." Thesis, North Dakota State University, 2017. https://hdl.handle.net/10365/28373.
Повний текст джерелаNorth Dakota Soybean Council
Smith, Kelsey. "Identifying Frogeye Leaf Spot Resistance in Two Elite Soybean Populations and Analysis of Agronomic Traits in Resistant Lines." OpenSIUC, 2021. https://opensiuc.lib.siu.edu/theses/2843.
Повний текст джерелаSciarresi, Cintia Soledad. "OPTIMIZING COVER CROP ROTATIONS FOR WATER, NITROGEN AND WEED MANAGEMENT." UKnowledge, 2019. https://uknowledge.uky.edu/pss_etds/122.
Повний текст джерелаEndres, Erin Margaret. "Metribuzin Tolerance of Early-Maturing Soybean Genotypes." Thesis, North Dakota State University, 2017. https://hdl.handle.net/10365/28707.
Повний текст джерелаFonseca, Daniel Ândrei Robe. "Variação da umidade de sementes em plantas de soja cultivadas no extremo sul do Brasil." Universidade Federal de Pelotas, 2015. http://repositorio.ufpel.edu.br:8080/handle/prefix/3361.
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O objetivo do trabalho foi avaliar a distribuição de umidade durante a fase de maturação fisiológica das sementes de soja nas condições de solo do extremo sul do Brasil. O experimento foi realizado na Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), na unidade Clima Temperada – Estação Experimental Terras Baixas, localizado no município de Capão do Leão – RS. Foram utilizadas as cultivares BMX Turbo RR de hábito de crescimento indeterminado, grupo de maturação 5.8, ciclo super-precoce e BMX Ativa RR de hábito de crescimento determinado, grupo de maturação 5.6, ciclo super-precoce. Para avaliação da dispersão umidade das sementes dentro da mesma planta, foram marcadas cem plantas pelo mesmo estágio de maturação. A colheita começou no amarelecimento das primeiras vagens na planta, e depois disso, a cada dois ou três dias, duas plantas foram colhidas de cada cultivar. Para a safra 2012/2013 foram realizadas treze colheitas durante vinte oito dias. Já na safra 2013/2014 foram realizadas sete colheitas durante quatorze dias, sendo as vagens destacadas uma a uma de cada planta e debulhadas manualmente para a determinação de umidade de cada legume. O hábito de crescimento das cultivares de soja, para grupos de maturação similares, não influencia nas médias de umidade durante o processo de secagem a campo de sementes de soja, compreendido entre o ponto de maturidade fisiológica e o ponto de colheita. No ponto de colheita, a variação de umidade de sementes em uma planta de hábito de crescimento determinado é menor do que a encontrada em sementes de uma planta de hábito indeterminado. O período em que as primeiras sementes entram no estádio de maturação fisiológica pode variar de 15 a 25 dias até o ponto possível da realização da colheita.
The objective was to evaluate the moisture distribution during physiological maturity of soybean seeds in irrigated soil conditions. The experiment was conducted in the Brazilian Agricultural Research Corporation (EMBRAPA), the Temperate Climate unit - Experimental Lowlands Station, located in the municipal district Lion - RS. We used the BMX Turbo RR cultivars indeterminate growth habit, maturity group 5.8, certain super-early maturity and BMX Active RR growth habit, maturity group 5.6, superearly maturity. To evaluate the dispersion seed moisture within the same plant were marked hundred plants at the same stage of maturity. Harvesting began yellowing of the first pod in the plant, and after that, every two or three days, two plants of each genotype were taken. For the 2012/2013 harvest were made thirteen crops for twenty eight days. In the season 2013/2014 seven samples were collected for fourteen days, the highlighted pods one by one from each plant and manually threshed for the determination of moisture each vegetable. The growth habit of soybean cultivars, similar to maturity groups does not influence the moisture medium during the process of drying the soybean field between the physiological maturation and harvesting stage. At the point of harvest, seed moisture variation in a given plant growth habit is lower than that found in seeds of a plant undefined habit. The period in which the first seeds enter the physiological maturity can vary from 15 to 25 days to the possible point of actual harvest.
Acharya, Krishna. "Managing Soybean Cyst Nematode by Utilizing Cover Crops and Resistant Sources from Early Maturing Soybean Accessions." Diss., North Dakota State University, 2020. https://hdl.handle.net/10365/31636.
Повний текст джерелаFlores, Antonio José Meireles. "Desempenho de cultivares de soja em latossolos vermelhos com diferentes classes texturais." Universidade do Oeste Paulista, 2010. http://bdtd.unoeste.br:8080/tede/handle/tede/381.
Повний текст джерелаSoybean is considered the main crop in Brazil due to both volume production and income. Many factors have contributed to a good performance of this crop in this country, such as adaptability of cultivars to many regions. The objective of this research was to evaluate soybean performance of early, semi-early and intermediate maturity cultivars in a sandy loam, clayey and very clayey Eutrudox. The experiment was carried out in Naviraí, Mato Grosso do Sul, Brazil, São Francisco Farm, in 2008/2009. The experimental design was the completely randomized block with four replications. The following soybean cultivars were evaluated: a) Early maturity: CD 202, CD 208 and CD 214RR; b) Semi early maturity: BRS 239, BRS CharruaRR and BRS 245RR; and c) Intermediate maturity: CD 219RR and Monsoy 8001. Sowing was conducted over maize residues on November, 15th, 2008 under no tillage system and 333 kg ha-1 of fertilizer was applied. The number of pods per plant, number of grains per pod, weight of 1,000 grains and yield (kg ha-1) were evaluated. Fertilization and maintenance of intermediate-high nutrient levels in Eutrudox soils of any textures provides conditions for soybean cultivars to express high yield potentials.
A soja é a principal cultura do País tanto em volume como em geração de renda, sendo que vários fatores tem contribuído para esse bom desempenho no Brasil, dentre eles podemos citar a adaptabilidade de cultivares ás diferentes regiões produtoras. O objetivo deste trabalho foi de avaliar o desempenho de cultivares de soja dos ciclos precoce, semiprecoce e médio em Latossolos Vermelhos com diferentes classes texturais. Latossolo Vermelho Eutrófico textura média, Latossolo Vermelho Eutrófico textura argilosa e Latossolo Vermelho Eutrófico textura muito argilosa. O experimento foi conduzido no município de Naviraí Estado de Mato Grosso do Sul, na Fazenda São Francisco, na safra agrícola 2008/2009. O delineamento experimental foi de blocos inteiramente casualisados com quatro repetições. Os cultivares de soja utilizados foram: a) Ciclo precoce: CD 202, CD 208 e CD 214RR; b) Ciclo semiprecoce: BRS 239, BRS CharruaRR, BRS 245RR e c) Ciclo médio: CD 219RR e Monsoy 8001. Em todos os solos o plantio ocorreu no dia 15 de novembro de 2008, em sistema de plantio direto sobre a resteva de milho com adubação de 333 kg ha-1. Foram avaliados os parâmetros de número de vagens por planta, número de grãos por vagens, peso de mil grãos e calculado produtividade em quilogramas por hectare. Independente da classe textural, a fertilização e manutenção de médios a altos teores de nutrientes nos LATOSSOLOS VERMELHOS Eutróficos de textura média a muito argilosa possibilita a expressão fenotípica de altas produtividades agrícolas de grãos pelas cultivares de soja.
Jones, Sarah I. "Transcript profiling of soybean seed development from fertilization to maturity /." 2009. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3362932.
Повний текст джерелаSource: Dissertation Abstracts International, Volume: 70-06, Section: B, page: 3290. Adviser: Lila O. Vodkin. Includes bibliographical references (leaves 159-165) Available on microfilm from Pro Quest Information and Learning.
Farno, Luke Aaron. "Oil and fatty acid profiles of soybeans (Maturity Groups IV, V, and VI)." 2005. http://digital.library.okstate.edu/etd/umi-okstate-1495.pdf.
Повний текст джерелаStewart, Allison E. "Effect of pod maturity and plant spacing on isoflavone concentration and harvest force of edible soybeans [Glycine max (L.) Merrill]." 2008. http://etd.utk.edu/August2008MastersTheses/StewartAllisonE.pdf.
Повний текст джерелаHoeven, Guido van der. "Incorporation of early-maturing soybeans into a representative southeastern Kansas crop farm: an economic analysis using Target MOTAD." 1989. http://hdl.handle.net/2097/22219.
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