New Host Record of Myrothecium roridum Causing Leaf Spot onAbutilon megapotamicum from China

被引：9
|
作者：
Ben, Hai-Yan [1 ,2 ]
Gao, Wei [3 ]
Qu, Hong-Yun [2 ]
Chai, A-Li [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
[2] Heilongjiang Acad Agr Sci, Hort Branch, Harbin 150069, Peoples R China
[3] Tianjin Acad Agr Sci, Inst Plant Protect, Tianjin 300381, Peoples R China
来源：
JOURNAL OF PHYTOPATHOLOGY | 2016年 / 164卷 / 7-8期
关键词：
Abutilon megapotamicum; leaf spot; Myrothecium roridum; 1ST REPORT;
D O I：
10.1111/jph.12439
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
During September 2010, Abutilon megapotamicum plants with dark-brown concentric spots on leaves were observed in a commercial glasshouse located in Beijing, China. This study was carried out to identify the causal agent of this disease based on Koch's postulates and morphological characteristics. Pathogenicity tests in the glasshouse showed that Myrothecium roridum Tode ex Fr. caused the leaf spot on A.megapotamicum plants, which were the same as those observed in naturally infected plants in the field. Moreover, to confirm the pathogen to species, the rDNA internal transcribed spacer (ITS) of isolate was PCR-amplified using ITS1 and ITS4 primer pairs and sequenced. DNA analysis revealed a 100% species identity index for M.roridum. To the best of our knowledge, this is the first report of M.roridum on A.megapotamicum in China.
引用
收藏
页码：563 / 566
页数：4
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