云南省罗平县与腾冲县两地稻瘟病菌致病类型分析

doi:10.11924/j.issn.1000-6850.casb15120039

中国农学通报 ›› 2016, Vol. 32 ›› Issue (14): 84-89.doi: 10.11924/j.issn.1000-6850.casb15120039

所属专题：水稻

云南省罗平县与腾冲县两地稻瘟病菌致病类型分析

褚晋^1,2,何鹏飞¹,赵正龙¹,吴毅歆³,何朋杰¹,何月秋³

(¹云南农业大学植物保护学院,昆明 650201；²辽宁省农业科学院植物保护研究所,沈阳 110161；³云南农业大学农学与生物技术学院,昆明 650201）

收稿日期:2015-12-07 修回日期:2016-01-23 接受日期:2016-02-25 出版日期:2016-05-17 发布日期:2016-05-17
通讯作者: 何月秋
基金资助:
农业部公益性行业（农业）“科研专项经费项目“粮食作物基因对基因病害的抗病品种布局技术研究示范”(201203014)。

Pathotype Analysis of Magnaporthe oryzae in Luoping and Tengchong of Yunnan Province

Chu Jin^1,2, He Pengfei¹, Zhao Zhenglong¹, Wu Yixin³, He Pengjie¹, He Yueqiu³

(¹Faculty of Plant Protection, Yunnan Agricultural University (YAU), Kunming 650201;²Institute of Plant Protection, Liaoning Academy of Agricultural Sciences, Shenyang 110161;³Faculty of Agronomy and Biotechnology, YAU, Kunming 650201)

Received:2015-12-07 Revised:2016-01-23 Accepted:2016-02-25 Online:2016-05-17 Published:2016-05-17

摘要/Abstract

摘要： 为了明确滇东南和滇西水稻稻瘟病菌组成，采用苗期喷雾法将来自2012年和2013年罗平县与腾冲县2个病圃的295个单孢菌株，接种到丽江新团黑谷、CO39和IRBL三套单基因系，测定它们的致病类型。结果表明，295个菌株可划分为79个致病类型，其中罗平县48个，特异类型32个；腾冲县47个，特异类型31个，两地共有类型仅16个，占5.42%；携带Pi-9(t)、Pi-2(t)、Pi-12(t)等3个抗病基因的水稻品种的被侵染率分别为10.13%、11.39%、11.39%，表明这些抗病基因在抗病育种工作中仍有很好的利用价值。

关键词: 环境卫星, 环境卫星, 地物光谱, 线性光谱混合模型, 水稻种植面积

Abstract: To clarify the components of Magnaporthe oryzae in southeastern and western Yunnan Province, 295 single spore isolates collected from the nurseries in Luoping and Tengchong counties in 2012 and 2013 were inoculated to three sets of single-isogenic lines (SILs) including LTH, CO39 and IRBL, with seedling spraying method. The pathotypes were determined. The results showed that 295 isolates could be classified into 79 pathotypes, among which, there were 48 pathotypes with 32 special types in Luoping and 47 pathotypes with 31 special types in Tengchong. There were only 16 pathotypes shared in the two nurseries, accounted for 5.42%. The infected frequencies of the cultivars with Pi-9(t), Pi-2(t) or Pi-12(t) blast-resistance genes were 10.13%, 11.39% and 11.39%, indicating that those genes would be useful in blast-resistant breeding.

褚晋,何鹏飞,赵正龙,吴毅歆,何朋杰,何月秋. 云南省罗平县与腾冲县两地稻瘟病菌致病类型分析[J]. 中国农学通报, 2016, 32(14): 84-89.

Chu Jin,He Pengfei,Zhao Zhenglong,Wu Yixin,He Pengjie and He Yueqiu. Pathotype Analysis of Magnaporthe oryzae in Luoping and Tengchong of Yunnan Province[J]. Chinese Agricultural Science Bulletin, 2016, 32(14): 84-89.

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云南省罗平县与腾冲县两地稻瘟病菌致病类型分析

Pathotype Analysis of Magnaporthe oryzae in Luoping and Tengchong of Yunnan Province

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