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Provedor de dados:  PAB
País:  Brazil
Título:  Phenotypic plasticity in a soybean cultivar with indeterminate growth type
Autores:  Balbinot Junior,Alvadi Antonio
Oliveira,Maria Cristina Neves de
Franchini,Julio Cezar
Ferreira,André Sampaio
Data:  2018-09-01
Ano:  2018
Palavras-chave:  Glycine max
Plant density
Principal component analysis
Stepwise regression
Yield components
Resumo:  Abstract: The objective of this work was to evaluate how branch and stem variables contribute to grain yield in individual soybean (Glycine max) plants, cultivated at different planting densities, in a modern cultivar with indeterminate growth type. A field experiment was carried out during the 2013/2014 and 2014/2015 crop seasons, in a randomized complete block design with 12 replicates, using the cultivar NK7059 RR at four planting densities: 135, 235, 315, and 440 thousand plants per hectare. Grain yield per plant was evaluated and represented phenotypic plasticity, while the number of branches per plant, percentage of grain production in branches, and separate yield components from branches and stems were considered as the independent variables. The number of pods in branches per plant was found to be the most important variable for soybean plasticity. In addition, the number of pods per plant on stems, number of branches per plant, and the percentage of grain production in branches were also associated with plasticity. Contrastingly, the number of grains per pod and the mass of a thousand grains in the branches and stems contributed little to plasticity in 'NK7059 RR' soybean.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Editor:  Embrapa Secretaria de Pesquisa e Desenvolvimento

Pesquisa Agropecuária Brasileira
Relação:  10.1590/s0100-204x2018000900007
Formato:  text/html
Fonte:  Pesquisa Agropecuária Brasileira v.53 n.9 2018
Direitos:  info:eu-repo/semantics/openAccess

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