Biocontrol of brown blotch of cowpea caused by Colletotrichum truncatum with Trichoderma viride

antagonism antagonisme antagonismo auxiliaire de lutte biologique biological control biological control organisms caupi colletotrichum truncatum control de enfermedades cowpeas disease control enfermedades de las plantas enfermedades fungosas fungal diseases grain legumes leguminosas de grano lutte biologique maladie des plantes maladie fongique pathogens plant diseases trichoderma viride vigna unguiculata