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.
出处
《植物保护》
CAS
CSCD
北大核心
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)
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
Plutella xylostella
Zoophthora radicans
infection rate
primary conidium
secondary conidium
