2008
DOI: 10.1590/s0100-83582008000400013
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Atividade de isolados bacterianos solubilizadores de fosfato na presença de formulações comerciais de Glyphosate

Abstract: Palavras-chave: rizosfera, bactérias do solo, eucalipto.ABSTRACT -The objective of this work was to evaluate the effect of applying different commercial formulations of glyphosate (Roundup Transorb ® , Zapp QI ® , Roundup NA ® e Scout ® ) on the ability of two bacterial isolates (To 11 and To 66) to solubilize different inorganic phosphates. The ability to solubilize bacterial isolate phosphate was evaluated in relation to three inorganic phosphate sources (calcium, aluminum, and iron phosphates) in the presen… Show more

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Cited by 9 publications
(10 citation statements)
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“…At 70 DAA, soils with isoxaflutole and oxyfluorfen adversely affected the availability of this source of phosphorus in the soil for plants. Massenssini et al (2008) reported that glyphosate in different commercial formulations was detrimental to the in vitro activity of phosphate solubilizing bacteria isolated from the rhizosphere of eucalyptus. Through the results of this study, it can be inferred that these herbicides applied directly to the soil adversely affect the activity of inorganic ( 1) DAA: days after application of herbicides.…”
Section: Resultsmentioning
confidence: 99%
“…At 70 DAA, soils with isoxaflutole and oxyfluorfen adversely affected the availability of this source of phosphorus in the soil for plants. Massenssini et al (2008) reported that glyphosate in different commercial formulations was detrimental to the in vitro activity of phosphate solubilizing bacteria isolated from the rhizosphere of eucalyptus. Through the results of this study, it can be inferred that these herbicides applied directly to the soil adversely affect the activity of inorganic ( 1) DAA: days after application of herbicides.…”
Section: Resultsmentioning
confidence: 99%
“…O glyphosate em aplicação única e sequencial promoveu maior solubilização de fosfato, embora Massenssini et al (2008) tenham relatado que o glyphosate nas formulações comerciais -Roundup NA e Transorb, Scout, Zapp QI -foi prejudicial à atividade de bactérias solubilizadoras de fosfato isoladas da rizosfera de eucalipto. Contudo, tal estudo foi conduzido in vitro, isolando dessa forma a interação planta-microrganismo-solo.…”
Section: Resultsunclassified
“…Pode ainda contribuir para a adoção de práticas agrícolas menos impactantes negativamente ao ambiente. No entanto, no Brasil há poucos estudos que evidenciam possíveis impactos da aplicação de herbicidas sobre os MSFI do solo (Massenssini et al, 2008;Reis et al, 2008).…”
unclassified
“…Os fatores quantitativos foram avaliados por regressão, e a escolha dos modelos foi baseada na significância estatística (F e R 2 ) e na explicação biológica, conforme o modelo utilizado por Massenssini et al (2008). As regressões foram comparadas pelo teste de identidade de modelos, onde os completos foram comparados com o modelo reduzido (Regazzi & Silva, 2004).…”
Section: Methodsunclassified