Leaf Spot on Sweet Potato (Ipomoea batatas) Caused by Stemphylium solani, a New Disease in China

被引：10
|
作者：
Chai, A-Li [1 ]
Du, Gong-Fu [1 ]
Shi, Yan-Xia [1 ]
Xie, Xue-Wen [1 ]
Li, Bao-Ju [1 ]
机构：
[1] Chinese Acad Agr Sci, Inst Vegetables & Flowers, Beijing 100081, Peoples R China
来源：
JOURNAL OF PHYTOPATHOLOGY | 2015年 / 163卷 / 11-12期
关键词：
Ipomoea batatas; new disease; Stemphylium solani; sweet potato; 1ST REPORT;
D O I：
10.1111/jph.12344
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
During 2010-2011, a severe leaf spot disease of sweet potato (Ipomoea batatas) was found in Haikou City, Hainan province of China. The disease is characterized with large, irregular, brown, necrotic lesions on the margin or in the centre of leaves. A species of Stemphylium was consistently recovered from pieces of symptomatic tissues on PDA. Based on morphological characteristics and molecular identification by rDNA-ITS gene analysis, the fungal species was identified as Stemphylium solani Weber, and its pathogenicity was confirmed by Koch's postulates. This is the first report of leaf spot on sweet potato caused by S.solani in China.
引用
收藏
页码：1046 / 1049
页数：4
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