pathogenicityn.病原性；致病性pathogenicadj.致病的pathogenicity mechanisms致病机制pathogenicity experiment致病性试验pathogenic Pestalotiopsis病原拟盘多毛孢pathogenic colon bacteria致病性大肠杆菌pathogenic dryness-heat燥热邪气pathogenic specialization致病力分化Pathogenic fungi of plant植物病原真菌pathogenic microorganisms致病微生物pathogenic characteristic病原特性pathogenic QI in the body病气