华北农学报 ›› 2011, Vol. 26 ›› Issue (S2): 168-173. doi: 10.7668/hbnxb.2011.S2.036

所属专题: 小麦 植物保护

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河北省小麦孢囊线虫种类鉴定

马娟, 李秀花, 于海滨, 陈书龙   

  1. 河北省农林科学院植物保护研究所河北省农业有害生物综合防治工程技术研究中心, 河北 保定 071000
  • 收稿日期:2011-10-12 出版日期:2011-12-31
  • 通讯作者: 陈书龙(1965-),男,河北保定人,研究员,博士,主要从事线虫学方面研究.
  • 作者简介:马娟(1981-),女,河北保定人,助理研究员,在读博士,主要从事线虫学方面研究.
  • 基金资助:
    公益性行业科研专项(200903040);科技部国际合作项目(2009DFB30230)

Identification of Cereal Cyst Nematode Isolated from Hebei Province

MA Juan, LI Xiu-hua, YU Hai-bin, CHEN Shu-long   

  1. Institute of Plant Protection, Hebei Academy of Agriculture and Forestry Sciences, IPM Centre of Hebei Province, Baoding 071000, China
  • Received:2011-10-12 Published:2011-12-31

摘要: 近年来小麦孢囊线虫病在河北省发生十分普遍,给小麦生产造成了严重损失。可以侵染小麦的孢囊线虫种类很多,对于病原的准确鉴定是防治病害的基础。本试验从形态学和分子生物学两方面对从河北省不同地区采集到的37个小麦孢囊线虫群体进行了比较分析和鉴定。经过对线虫ITS-rDNA序列分析,发现采集到的线虫ITS区序列差异很小,为同一种类,其ITS-rDNA序列与燕麦孢囊线虫Heterodera avenae Wollenweber,1924的ITS-rDNA序列同源性高于99%。通过光学显微镜进行形态学测量和观察,其主要形态学特征与燕麦孢囊线虫H.avenae的相近。综合其形态与分子序列特征,确定河北省小麦孢囊线虫病的病原线虫为H.avenae。

关键词: 小麦孢囊线虫, 形态学, 分子生物学, ITS-rDNA

Abstract: The cereal cyst nematode disease caused serious damage to the production of wheat in recent years.Accurate diagnosis is the basis for controlling this disease.37 cereal cyst nematode populations were extracted from different areas of Hebei province in this study.The morphological and molecular characters of the nematodes were systemically studied.The difference of ITS-rDNA sequences of all the tested nematode was small and these sequences are less than 1% differences between local populations and Heterodera avenae.The main morphological and morphometrical characteristics of different populations were studied.They were mostly close to H.avenae in morphology.We confirmed that the nematode populations that extracted from Hebei province are Heterodera avenae based on morphological,morphometrical and molecular characters.

Key words: Cerceal cyst nematode, Heterodera avenae, Morphological, ITS-rDNA

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引用本文

马娟, 李秀花, 于海滨, 陈书龙. 河北省小麦孢囊线虫种类鉴定[J]. 华北农学报, 2011, 26(S2): 168-173. doi: 10.7668/hbnxb.2011.S2.036.

MA Juan, LI Xiu-hua, YU Hai-bin, CHEN Shu-long. Identification of Cereal Cyst Nematode Isolated from Hebei Province[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2011, 26(S2): 168-173. doi: 10.7668/hbnxb.2011.S2.036.

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