Objective To study fungi invasion of wheat and corn harvested from Anhui,Jiangsu,Hebei and Henan provinces in 2008 in order to provide fungal strains for toxigenicity test in predictive microbiology studies.Method Wheat and corn kernels were inoculated onto PDA medium plate after sterilization with 75% ethanol followed by being rinsed with distilled water.The count format unit of fungi germinated are counted,classified and identified.Results The frequencies of wheat invasion by fungi were approximately up t...