The present application belongs to the technical field of
pest control, and particularly relates to a kind of fungi of the order of Mucorales in the class of Sordariomycetes and its application. The fungi is preserved in China General
Microbiological Culture Collection Center, and the preservation number is CGMCC No. 42531. The fungi can be used for screening hazelnut
disease-resistant lines or controlling hazelnut
black spot disease. The present application proves by tests that eight kinds of pesticides, including penthiopyrad,
mancozeb, difenconazole, pyraclostrobin,
thiram,
tridemorph, kresoxim-methyl and
thiophanate-methyl, all have inhibitory effects on the fungi, which provides a new direction for controlling hazelnut
black spot disease.