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Fave. Sección ciencias agrarias
versión impresa ISSN 1666-7719
Resumen
CROVO, V y CLEMENTE, G.E. Eficacia de fungicidas de síntesis y biológico en base a trichoderma harzianum para controlar patógenos de semillas de soja. FAVE. Secc. Cienc. agrar. [online]. 2015, vol.14, n.2. ISSN 1666-7719.
Efficacy of synthetic and biological fungicide with Trichoderma harzianum to control seedborne pathogens of soybean. Seedborne pathogens cause germination failures, affect crop yield and introduce diseases into new areas. Seed treatment is a widely used strategy to protect them. In this work, in vitro test were performed to evaluate the efficiency of fungicides pyraclostrobin+thiophanate methyl, thiram+carbendazim and metalaxyl-M to control Cercospora kikuchii, Fusarium spp. and Phomopsis spp. (pathogens prevalent in the southeast of Buenos Aires province). Furthermore, the control efficiency of a bio-fungicide (i.a. Trichoderma harzianum) and chemical fungicide (i.a fludioxonil+metalaxyl-M+thiabendazole) was compared. Fungicides thiram+carbendazim or pyraclostrobin+thiophanate methyl showed the greatest inhibition of pathogens growth. For the three pathogens, the bio-fungicide showed better control than the fungicide fludioxonil+metalaxyl-M+thiabendazole. This work analyzes and presents useful alternatives for controlling soybean seedborne pathogens
Palabras clave : Glycine max; Seeds; Fungicide; Trichoderma harzianum.