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Di-nitrogen fixation at the early and late growth stages of soybean Agronomy
Hamawaki, Raphael Lemes; Kantartzi, Stella K..
 Soybean derives a significant portion of the required nitrogen (N) from the symbiosis with rhizobia bacteria. However, information on the available genetic variation for N2 fixation capacity in different growth stages of soybean is limited. The objective of this study was to investigate the N2 fixation capacity of 22 soybean lines compared with that of non-nodulating and supernodulating checks at the early and late growth stages and identify the most informative traits for selection. Two cycles of greenhouse experiments were carried out to estimate the percentage of N derived from the atmosphere (%Ndfa) as well as 10 different traits related to N2 fixation. The results showed that %Ndfa was significantly different among the lines at the early and late...
Tipo: Info:eu-repo/semantics/article Palavras-chave: (5.01.00.00-9; 5.01.03.00-8; 5.01.03.05-9) Glycine max; %Ndfa; 15N dilution technique; Nodulation; Symbiosis. (Agronomia; Fitotecnia; Melhoramento Vegetal).
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/36372
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