Pathogenicity differentiation of Curvularia lunata

Pathogenic type of Curvularia lunata from Heilongjiang,Jilin,Liaoning and Hebei provinces was analyzed.Twenty-six isolates of C.lunata were divided into four groups by differential hosts.High and moderate pathogenic types were distributed in Wafangdiang city in Liaoning province,Gongzhuling city in Jilin province and Baodin city in Hebei province.A significant diversity of C.lunata was found according to the difference of isozymes including esterase,peroxidase,polyphenol oxidase,superoxide dimutase and malate dehydrogenase.The obvious difference in numbers of bands of isozymes were dectcted.