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Characterization of variants of Bradyrhizobium elkanii and B. japonicum and symbiotic behaviour in soybeans Ciência Rural
Kober,Marcia de Vargas; Sá,Enilson Luiz Saccol de; Freire,João Ruy Jardim; Giongo,Adriana.
Variation in rhizobia strains isn’t a desirable fact based mainly on the possibility of unexpected results on legume inoculation. In this work, we studied the variability on phenotypic characteristics and genetic stability of rhizobia strains recommended for soybean inoculation. Variants with stable colony morphology were obtained from Bradyrhizobium japonicum strain SEMIA 5080 and from B. elkanii SEMIA 5019. Variants from SEMIA 587 obtained by another author were also used. The variants differed on colony characteristics, nodulation capacity, nitrogen fixation efficiency and competitive ability for nodule formation in two soybean varieties (Jacui 7 and IAS 5). Symbiotic behavior varied according to plant variety. Only the variants 5019 G and 5019 P...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Variants isolation; Inoculant production; Isoenzymes.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782004000500020
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