Effects of physcion, a natural anthraquinone derivative, on the infection process of Blumeria graminis on wheat
文献类型: 外文期刊
第一作者: Yang, Xiaojun
作者: Yang, Xiaojun;Yang, Lijun;Yu, Dazhao;Ni, Hanwen
作者机构:
关键词: physcion;Blumeria graminis;activity;histology
期刊名称:CANADIAN JOURNAL OF PLANT PATHOLOGY-REVUE CANADIENNE DE PHYTOPATHOLOGIE ( 影响因子:2.442; 五年影响因子:1.993 )
ISSN: 0706-0661
年卷期: 2008 年 30 卷 3 期
页码:
收录情况: SCI
摘要: Physcion is one of the important active ingredients of ethanol extract from the roots of Chinese rhubarb (Rheum officinale) for controlling powdery mildew. A histological investigation indicated that this compound affected Blumeria graminis in vivo by inhibiting the germination of conidia, by increasing the rate of appressorium deformation before the pathoven infected the cells of wheat (Triticum aestivum), and by reducing the length of haustoria and the number of secondary haustoria after infection.
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