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Fusarium oxysporum strains as biocontrol agents against Fusarium wilt: effects on soil microbial biomass and activity PAB
Ghini,Raquel; Mezzalama,Monica; Ambrosoli,Roberto; Barberis,Elisabetta; Garibaldi,Angelo; Piedade,Sônia Maria de Stefano.
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...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biological control; Soilborne pathogen; Risk assessment.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2000000100012
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Monitoring the threat of unintentional transgene flow into maize gene banks and breeding materials Electron. J. Biotechnol.
Mezzalama,Monica; Crouch,Jonathan H; Ortiz,Rodomiro.
The use of transgenic crops is steadily increasing around the world, led by soybean (based on total area) and maize (in terms of total number of countries). Transgenic maize is grown in at least 17 countries across four continents: Africa, America, Asia and Europe. The comprehensive global spread of transgenic maize has significant implications for organizations involved in germplasm conservation and genetic enhancement; particularly as some countries require a GMO-free declaration when receiving shipments of maize germplasm. This article describes the protocol used by the International Maize and Wheat Improvement Center (CIMMYT) for monitoring unintentional transgene flow in maize genebank and breeding plots. The protocol is based on polymerase chain...
Tipo: Journal article Palavras-chave: Biosafety; Genetic integrity; Germplasm enhancement; GM-maize.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582010000200006
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