Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/462907
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dc.contributor.authorCAMPO, R. J.pt_BR
dc.contributor.authorWOOD, M.pt_BR
dc.date.accessioned2011-04-09T17:14:36Z-
dc.date.available2011-04-09T17:14:36Z-
dc.date.created2002-09-27pt_BR
dc.date.issued2001pt_BR
dc.identifier.citationPesquisa Agropecuária Brasileira, Brasília, v. 36, n. 11, p. 1399-1407, nov. 2001.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/462907pt_BR
dc.descriptionThe aim of these studies was to investigate whether residual toxic effects of exposing soybean root nodule bacteria to Al in a solid defined media (SDM) alter tolerance to Al, survival, sensitivity to antibiotics, N2 fixation effectiveness and genetic diversity of Bradyrhizobium strains. After being exposed four times to Al, strains showed variation in Al tolerance but there was no evidence of change in their original Al tolerance, sensitivity to the antibiotics or genetic diversity. Exposure of Bradyrhizobium strains to SDM plus Al did not alter biological N2 fixation effectiveness of five strains. Strain SEMIA 587 showed a reduction in its N2 fixation effectiveness but it seems that it was just a superficial toxic effect because one single passage through the plant eliminated this effect. Residual Al did not cause increases in Al tolerance and reductions in the survival and N2 fixation effectiveness of Bradyrhizobium strains USDA 143, SEMIA 586, SEMIA 5019, SEMIA 5039 and SEMIA 5073. It also did not alter the resistance to antibiotics of strains USDA 143, SEMIA 5039 and SEMIA 5073, and the genetic diversity of the strains SEMIA 587 and SEMIA 5019.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.titleResidual effects of successive exposure of soybean Bradyrhizobium strains to aluminium on solid defined medium.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2011-04-10T11:11:11Zpt_BR
riaa.ainfo.id462907pt_BR
riaa.ainfo.lastupdate2002-09-27pt_BR
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