2002
DOI: 10.1590/s0100-06832002000100026
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Sobrevivência de Bradyrhizobium e Azorhizobium em misturas de solo contaminadas com metais pesados

Abstract: , no período de novembro/1999 a janeiro/ 2000, com o objetivo de avaliar a sobrevivência de estirpe e isolados de rizóbio em solo contaminado com metais pesados e verificar a relação entre tolerância do rizóbio a metais pesados em meio de cultura e sua sobrevivência em solo contaminado. Foram utilizados os dois microrganismos mais tolerantes [BR-4406 (estirpe recomendada para Enterolobium spp.) e UFLA-01-457 (isolado de solo contaminado), ambos pertencentes ao gênero Bradyrhizobium] e os dois mais sensíveis (U… Show more

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Cited by 8 publications
(3 citation statements)
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“…Plant-associated microorganisms can perform several essential biological processes, such as biological N2-fixation and improving and promoting plant growth (30). Both, the selection of the appropriate plant species as well as the most beneficial associated microorganisms are crucial steps in phytoremediation projects (10,11,30,(34)(35)(36).…”
Section: Table 4 4 Discussionmentioning
confidence: 99%
“…Plant-associated microorganisms can perform several essential biological processes, such as biological N2-fixation and improving and promoting plant growth (30). Both, the selection of the appropriate plant species as well as the most beneficial associated microorganisms are crucial steps in phytoremediation projects (10,11,30,(34)(35)(36).…”
Section: Table 4 4 Discussionmentioning
confidence: 99%
“…Therefore, Bradyrhizobium survived better than Azorhizobium in the soil, which indicates the greater tolerance of the first genus to HMs. Because Bradyrhizobium was also more tolerant in vitro, the results indicate that there is a relationship between its behaviour in contaminated soil and that in culture medium with HMs (Matsuda et al 2002a). …”
Section: Tolerance Of Tropical Rhizobia To Hmsmentioning
confidence: 82%
“…Studies have demonstrated that in addition to promoting biological fixation of N from the air and making it available to the plant in an assimilable form (Tejo et al, 2019), bacteria of the genus Bradyrhizobium induce an increase in root volume and dry weight (Manteli et al, 2019). Additionally, in soil contaminated with heavy metals, bacteria of this genus exhibit greater survival and tolerance than those of the genus Azorhizobium (Matsuda et al, 2002). The symbiosis between leguminous plants and Rhizobium can reduce heavy metals in the soil while helping nitrogen fixation (Castro & Roll, 2020).…”
Section: Methodsmentioning
confidence: 99%