REMI-induced mutants of Mycosphaerella zeae-maydis lacking the polyketide PM-toxin are deficient in pathogenesis to corn

champignon enfermedades de las plantas enfermedades fungosas fungal diseases fungi hongos mais maize maladie des plantes maladie fongique micotoxinas mycosphaerella mycotoxine mycotoxins pathogenicity pathogens patogenicidad plant diseases toxinas toxine toxins