Occurrence and distribution of Heterodera avenae Wollenweber in Ningxia Hui Autonomous Region | 宁夏地区禾谷孢囊线虫的发生与分布
2011
Huang Wenkun, Chinese Academy of Agricultural Sciences, Beijing(China), Institute of Plant Protection | Ye Wenxing, Chinese Academy of Agricultural Sciences, Beijing(China), Institute of Plant Protection | Ou Shiqi, Chinese Academy of Agricultural Sciences, Beijing(China), Institute of Plant Protection
chinois. 摘 要：采用随机抽样的方法，对宁夏回族自治区5个地区16个县（乡、镇）的小麦孢囊线虫病的分布和发生情况进行了调查，根据形态特征对孢囊线种类进行了鉴定。结果表明：危害宁夏小麦的孢囊线虫为禾谷孢囊线虫（Heterodera avenae Wollenweber）; 宁夏5个地区发生的禾谷孢囊线虫病均为该地区首次发现，调查地块的孢囊检出率为59.8%，且以银川市的孢囊量最高，石嘴山市的孢囊量最低; 固原市、中卫市、吴忠市、青铜峡市4个地区孢囊中的卵量显著高于石嘴山市孢囊中的卵量。_
Afficher plus [+] Moins [-]anglais. The occurrence and distribution of this nematode was investigated by random sampling in 16 cities of five regions of Ningxia Hut Autonomous Region. The pathogen was identified with the morphological and metrological examination. The results showed that the cereal cyst nematode distributed in most areas of five the regions of Ningxia Hut Autonomous Region and the detection ratio of CCN was 59. 8% in all samples. The highest cyst number existed in Yinchuan City and the lowest one existed in Shizuishan City. The number of eggs per cyst in Guyuan City,Zhongwei City,Wuzhong City and Qingtongxia City were significantly higher than that of Shizuishan City. The pathogen of wheat was identified as H. avenae by morphological examination.
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