山东省菏泽市郊麦田发现燕麦胞囊线虫(Heterodera avenae)
Journal of Laiyang Agricultural College（2005）
Abstract
2005年5月,从山东省菏泽市郊区麦田采集土样,分离到褐色和白色胞囊,通过分别对胞囊、2龄幼虫和卵的观察、相关数值测量并拍照,鉴定该种线虫为燕麦胞囊线虫Heterodera avenae Wollenweber,1924.这是首次在山东省发现该种线虫.该种线虫的主要鉴别特征为:胞囊的阴门下桥不明显,泡状突明显,阴门锥双膜孔,阴门裂长度为11.9±1.1(10.5～15.0) μm ;2龄幼虫口针基部球前缘向前突出或平,尾部的透明区较长,长度为44.6±3.3(37.5-54.0)μm,尾末端稍钝.
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Key words
wheat,Heze city of Shandong province,cyst nematode Heterodera avenae Wollenweber,1924
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