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Survey and examination of the potential alternative hosts of Villosiclava virens, the pathogen of rice false smut, in China 被引量:1
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作者 deng qi-de YONG Ming-li +4 位作者 LI Dan-yang LAI Chao-hui CHEN Hong-ming FAN Jing HU Dong-wei 《Journal of Integrative Agriculture》 SCIE CAS CSCD 2015年第7期1332-1337,共6页
Rice false smut is caused by ascomycete Villosiclava virens, whose potential alternative hosts have been assumed previously. Here its potential alternative hosts were surveyed and identified from 2008 to 2013 in the m... Rice false smut is caused by ascomycete Villosiclava virens, whose potential alternative hosts have been assumed previously. Here its potential alternative hosts were surveyed and identified from 2008 to 2013 in the main rice-growing regions in China. Two common weeds in paddy fields, Digitaria sanguinalis Scop. and Echinochloa crusgalli(L.) Beauv., were found to present the similar symptoms to smut diseases in a few individuals in 2012 and 2013 in Zhejiang and Sichuan provinces of China, respectively. After the examinations of the spore morphology, their infection and extension mode in hosts, pathogen cell wall components, and molecular identification, the two pathogens were identified to be the Basidiomycetes, Ustilago syntherismae and Ustilago trichophora, respectively. So far there has been no alternative host of V. virens to be identified in China. These suggest that the alternative hosts of V. virens, if they do exist, are not possible to play an important role in the pathogen life cycle and the disease epidemics. 展开更多
关键词 稻曲病菌 主机 中国 检查 细胞壁成分 孢子形态 分子识别 担子菌纲
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