甜瓜白粉病病原鉴定及苗期抗性鉴定  

Identification of Melon Powdery Mildew Pathogen and Resistance Test at Seedling Stage

作　　者：张成花[1] 林涛[1] 李菊芬[2] 马国斌[2] 许玲[1] 

机构地区：[1]华东师范大学生命科学学院,上海200062 [2]上海市农业科学院园艺研究所,上海201106

出　　处：《中国瓜菜》2012年第2期11-14,共4页China Cucurbits And Vegetables

基　　金：上海市科技兴农重点攻关项目[沪农科攻字(2008)第1-5号]

摘　　要：以上海市设施栽培条件下发生的甜瓜白粉病为材料,对其病原菌进行了形态学观察鉴定,确定该白粉病病原物属单囊壳属单囊壳菌(Sphaerotheca fuliginea)。同时,利用该白粉病病原对4个不同的甜瓜品种进行了白粉病抗性鉴定,结果表明哈密瓜新品种东方蜜4号和东方蜜5号抗病性较强,尤其是东方蜜5号病情指数、黄化率均较低。The pathogen of melon powdery mildew collected from melons grown in protected culture in Shanghai was identi- fied as Sphaerotheca fuliginea by its morphology. The resistance of 4 melon varieties to the pathogen was tested at seedling stage. The results showed that new Hami melon variety Dongfangmi No.4 and Dongfangmi No. 5 had strong resistance to pow- dery mildew. Dongfangmi No. 5 had lower disease index and chlorotie responses to the pathogen.

关 键 词：甜瓜 白粉病 抗性鉴定 

分 类 号：S436.5[农业科学—农业昆虫与害虫防治]