Influence of unrefined corn oil and surface-active agents on the germination and infectivity of Alternaria helianthi

alternaria helianthi biological control champignon dew escarda esporas fungi germination herbicidas herbicide herbicides hongos infectivity lutte biologique maize oil microbial pesticides pathogenicity patogenicidad pesticide microbien plaguicidas microbianos spore spores surface active agents surfactant surfactantes surfactants weed control xanthium xanthium strumarium