| 栗疫病菌的培养性状、毒力与dsRNA的关系 |
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| 引用本文： | 王克荣,周而勋.栗疫病菌的培养性状、毒力与dsRNA的关系[J].植物病理学报,1996,26(4):341-346. |
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| 作者姓名： | 王克荣 周而勋 |
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| 作者单位： | 南京农业大学植保系, 南京 210095 |
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| 摘 要： | 根据菌落的培养性状将中国东部12个省(市)的429个栗疫病菌(Cryphonectria parasitica)菌株划分为5种培养类型。其中Ⅰ型为桔黄色菌落的野生型正常菌株,占总菌株数的89.3%;Ⅱ~Ⅳ型为培养性状不正常菌株,共有46株,菌落有黄褐色、白色和深褐色等类型。供试菌株间存在明显的毒力分化,可分为强中弱三种类型。培养性状正常的菌株毒力普遍较强,极少菌株检测到dsRNA;培养性状不正常的菌株毒力一般较低,在菌落白色的菌株中都检测到dsRNA。在所测试的70个菌株中含dsRNA的菌株有38个,其中32个属于弱毒力类型,其他6个属中毒力类型;分布于除河南、湖南和广东以外的其他9个省(市)。
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| 关 键 词： | 栗疫病菌 培养性状 毒力 dsRNA |
THE RELATION SHIPS BETWEEN CULTURAL CHARACTERS,VIRULENCE AND dsRNA OF CRYPHONECTRIA PARASITICA |
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| Wang Kerong,Zhou Erxun,Ding Guoyun,Lu Jiayun.THE RELATION SHIPS BETWEEN CULTURAL CHARACTERS,VIRULENCE AND dsRNA OF CRYPHONECTRIA PARASITICA[J].Acta Phytopathologica Sinica,1996,26(4):341-346. |
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| Authors: | Wang Kerong Zhou Erxun Ding Guoyun Lu Jiayun |
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| Institution: | Dept. of Plant Protection, Nanjing Agric. Univ., Nanjing 210095 |
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| Abstract: | 429 isolates of Cryphonectria parasitica obtained from Liaoning, Beijing, Shandong, Henan, Jiangsu, Anhui, Hubei, Zhejiang, Jiangxi, Hunan, Fujian and Guangdong provinces in China were divided into five cultural types on the basis of colony morphology, colony color, growth rate and asexual sporulation. |
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| Keywords: | Cryphonectria parasitica Cultural character Virulence Hypovirulence dsRNA |
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