伞房决明白粉病的初次报道(英文)  

First report of powdery mildew caused by Oidium cassiae-siameae on Cassia corymbosa

作　　者：赵桂华[1] 李德伟 席刚俊[1] 

机构地区：[1]江苏农林职业技术学院,句容212400 [2]美国康涅狄克州农业研究所 美国康涅狄克州温莎镇 06095

出　　处：《菌物学报》2010年第6期869-873,共5页Mycosystema

基　　金：Supported by China Administration of Forestry,“948”Program(No.2006-4-79);Jiangsu Natural Science Foundation(No.BK2008243)

摘　　要：伞房决明是长江三角洲地区的园林绿化木本植物,在每年8月下旬至11月中旬会发生严重的白粉病,造成提前落叶,导致次年部分植株死亡。该病由Oidium cassiae-siameae引起。经过3年多的野外观察,未发现有性世代。初次报道伞房决明为Oidium cassiae-siameae白粉菌的新寄主。此真菌为中国大陆的初次记载。Cassia corymbosa is an introduced ornamental shrub in the Yangtze River Delta area.Severe powdery mildew occurred on C.corymbosa from late August to mid-November.It caused early defoliation and some infected plants failed to survive in the following year.The powdery mildew is caused by Oidium cassiae-siameae.The pathogen did not develop teleomorph under field observation in the last three years.This is the first report of C.corymbosa,as a new host of powdery mildew caused by Oidium cassiae-siameae.This fungus is a newly reported species in China's Mainland.

关 键 词：无性世代 新寄主 园林植物 假粉孢亚属 有性世代 

分 类 号：S436.8[农业科学—农业昆虫与害虫防治]