| 云南烟草野火病菌菌系分化研究* |
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| 引用本文： | 陈赟娟；刘雅婷；李永忠；黄杏娥；饶省和；王瑞建.云南烟草野火病菌菌系分化研究*[J].云南农业大学学报,2007,22(4):491-494. |
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| 作者姓名： | 陈赟娟；刘雅婷；李永忠；黄杏娥；饶省和；王瑞建 |
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| 作者单位： | [1]云南农业大学植物保护学院,云南昆明650201 [2]云南农业大学农学与生物技术学院,云南昆明650201 [3]云南农业大学烟草学院,云南昆明650201 |
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| 基金项目： | 云南省教育厅基金项目（02QY055）;云南农业大学青年基金项目. |
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| 摘 要： | 研究采用24个采自云南省各大烟区的烟草野火病菌对24个普通烟草品种及2种野生品种长花烟和黄花烟进行致病性接种试验。根据这26个烟草品种对烟草野火病菌株的抗性反应，将接种后形成病斑的直径进行聚类分析，筛选了一套烟草野火病生理小种的鉴别寄主。并以此为依据将24个病原菌株划分为两个生理小种，即0号和1 号,为抗病育种工作提供了依据。
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| 关 键 词： | 烟草野火病 烟草野火病菌 鉴别寄主 生理小种 |
| 文章编号： | 1004-390X（2007）04-0491-04 |
| 收稿时间： | 2006-10-13 |
| 修稿时间： | 2006-10-13 |
Study on Strains Differentiation of Pseudomonas syringae pv. tabaci in Yunnan |
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| CHEN Yun-juan,LIU Ya-ting,LI Yong-zhong,HUANG Xin-e,RAO Sheng-he,WANG Rui-jian.Study on Strains Differentiation of Pseudomonas syringae pv. tabaci in Yunnan[J].Journal of Yunnan Agricultural University,2007,22(4):491-494. |
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| Authors: | CHEN Yun-juan LIU Ya-ting LI Yong-zhong HUANG Xin-e RAO Sheng-he WANG Rui-jian |
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| Institution: | 1. Faculty of Plant Protection, Y A U ,Kunming 650201, China; 2. Faculty of Agronomy and Biotechnology,Y A U,Kunming 650201, China; 3. Faculty of Tobacco Science, Y A U, Kunming 650201, China |
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| Abstract: | The 24 isolates of Pseudomonas syringae pv.tabaci which we collected from primary tobacco districts of Yunnan were inoculated on 24 commercial tobacco varieties and two wild tobaccos(Nicotiana longiflora Cav and Nicotiana rustica).According to the susceptibility and resistance,we have made the cluster analysis of 26 Tobacco cultivars.Then we have screened out a set of differential host system for identifying physiology race of P.syringae.pv.tabaci.The 24 isolates of P.syringae.pv.tabaci in Yunnan were divided into two physiology races(0 and 1)by the set of differential host.The result supplied the basic of resistant breeding work. |
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| Keywords: | tobacco wildfire disease Pseudomonas syringae pv tabaci differential host physiology race |
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