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Fusarium oxysporum strains as biocontrol agents against Fusarium wilt: effects on soil microbial biomass and activity

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dc.creator Ghini Raquel
dc.creator Mezzalama Monica
dc.creator Ambrosoli Roberto
dc.creator Barberis Elisabetta
dc.creator Garibaldi Angelo
dc.creator Piedade Sônia Maria de Stefano
dc.date 2000
dc.date.accessioned 2013-05-30T00:01:47Z
dc.date.available 2013-05-30T00:01:47Z
dc.date.issued 2013-05-30
dc.identifier http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2000000100012
dc.identifier http://www.doaj.org/doaj?func=openurl&genre=article&issn=0100204X&date=2000&volume=35&issue=1&spage=93
dc.identifier.uri http://koha.mediu.edu.my:8181/jspui/handle/123456789/2956
dc.description Before planning the large-scale use of nonpathogenic strains of Fusarium oxysporum as biocontrol agents of Fusarium wilt, their behaviour and potential impact on soil ecosystems should be carefully studied as part of risk assessment. The aim of this work was to evaluate the effects of antagonistic F. oxysporum strains, genetically manipulated (T26/6) or not (233/1), on soil microbial biomass and activity. The effects were evaluated, in North-western Italy, in two soils from different sites at Albenga, one natural and the other previously solarized, and in a third soil obtained from a 10-year-old poplar stand (Popolus sp.), near Carignano. There were no detectable effects on ATP, fluorescein diacetate hydrolysis, and biomass P that could be attributed to the introduction of the antagonists. A transient increase of carbon dioxide evolution and biomass C was observed in response to the added inoculum. Although the results showed only some transient alterations, further studies are required to evaluate effects on specific microorganism populations.
dc.publisher Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
dc.source Pesquisa Agropecuária Brasileira
dc.subject biological control
dc.subject soilborne pathogen
dc.subject risk assessment
dc.title Fusarium oxysporum strains as biocontrol agents against Fusarium wilt: effects on soil microbial biomass and activity


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