田七根腐病的病原菌鉴定

IDENTIFICATION OF THE PATHOGEN CAUSING ROOT ROT DISEASE OF THE MEDICINAL HERB PSEUDOGINSHNG [PANAX PSEUDO-GINSENG WALL. VAR. NOTOGINSENG (BURKILL) HOO & TSENG]

田七根腐病是广东省田七产区一个最重要的病害。在广东韶关引种区都普遍发生,危害相当严重。经对病原菌的致病性测定、交配试验及形态特征观察结果证明,它由腐皮镰孢霉根生专化型(Fusatium solani f.sp.radicicola)为害所致。

A destructive root rot disease of the midicinal herb, Pseudoginseng (Panax pseudo-ginseng Wall. var. notoginseng(Burkill)Hoo & Tseng was found occurring widespreadly and seriously in Shao-guan Prefecture of Guangdong Province. According to the morphology, pathogenecity and mating types tests, the pathogen was identified to be a forma specialis of Fusarium solani (Mart.) Sacc.: Fusarium solani f. sp. radicicola (Wr.) Snyd.& Hans.