]*>","")" /> Anastomosis Groups and their Pathogenicity of Rhizoctonia solani Kühn Isolated from Phaseolas vulgaris in Xinjiang
Xinjiang Agricultural Sciences

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Anastomosis Groups and their Pathogenicity of Rhizoctonia solani Kühn Isolated from Phaseolas vulgaris in Xinjiang

YANG Jin-hong;BAI Li-yan;GUO Qing-yuan;LIU Hua-wei;ZHAO Zhen-yu   

  • Received:2006-04-25 Revised:2006-04-25 Online:2006-04-25 Published:2006-04-25

新疆奶花芸豆立枯丝核菌菌丝融合群及其致病性研究

杨金红;白丽艳;郭庆元;刘华威;赵震宇   

  1. 新疆农业大学农学院,新疆乌鲁木齐,830052





摘要： 从新疆奶花芸豆主产区采集的奶花芸豆立枯病、根腐病、茎腐病病苗及土样中分离得到85个丝核菌(Rhizoctonia DC)菌株,经鉴定均为立枯丝核菌(Rhizoctonia solani Kühn).对85个立枯丝核菌菌株进行的菌丝融合群判定和致病性测定结果表明,在新疆对奶花芸豆造成侵染为害的立枯丝核菌菌丝融合群有AG1、AG2、AG4、AG5,其出现频率分别为16.5;、34.1;、29.4;和20.0;;各融合群对奶花芸豆苗期致病性存在一定差异;在4个融合群中,以AG2分布最广,致病性最强.试验对奶花芸豆立枯丝核菌的菌丝融合群组成,及各融合群对奶花芸豆的致病性进行了研究.