广东省发现小菜蛾根虫瘟霉  

Zoophthora radicans infecting Plutella xylostella was found in Guangdong

作　　者：贾春生[1] 

机构地区：[1]韶关学院英东生物工程学院,韶关512005

出　　处：《植物保护》2010年第3期113-116,共4页Plant Protection

基　　金：国家自然科学基金项目(30370151)

摘　　要：小菜蛾的重要病原真菌根虫瘟霉(Zoophthora radicans)在中国广东省首次被发现,该菌可引起西洋菜田中的小菜蛾种群流行病,寄生率达30%。描述了小菜蛾感染根虫瘟霉的症状及该菌的形态特征。A fungal pathogen Zoophthora radicans of Plutella xylostella was found during a survey of the pathogens of Plutella xylostella in Guangdong of China in 2009. The fungus caused an epidemic disease in a population of P. xylostella in Nasturtium officinale fields in spring 2009, with infection rate reaching 30%. The disease symptoms were identified and the fungus from naturally infected adults was described.

关 键 词：小菜蛾 根虫瘟霉 寄生率 初生分生孢子 次生分生孢子 

分 类 号：S476.12[农业科学—农业昆虫与害虫防治]