Fungus Erysiphe diffusa Cooke & Peck 2000, which causes powdery mildew disease on soybeans (Glycine max (L) Merr) cultivated in Vinh Phuc Province, has already been identified using a combination of molecular biotechnology and an updated standard morphological classification for the confirmation of a pathogenicity test to fulfill Koch’s postulate. Six sequences of the ITS rRNA region of this fungus on soybeans have already been registered in GenBank with accession numbers including KM260706 and KM260708 - KM260712. | Identification of the fungus Erysiphe diffusa causing powdery mildew disease on soybeans in Vinh Phuc, Vietnam
