pathogenicityn.病原性；致病性pathogenicadj.致病的Pathogenic bacteria spectrum病原菌谱pathogenicity-related gene致病相关基因pathogenic north-east wind凶风pathogenic E.coli in ducks鸭源致病性大肠杆菌pathogenical Escherichia coli致病性大肠杆菌pathogenicity differentiation致病力分化pathogenic fungi of the plant植物病原性真菌pathogenic invasion of vessels陷脉pathogenic geographical factor致病地理因素pathogenic occupational factor致病职业因素