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本文作者于1985年9月上旬,在山东省临朐县上林乡黄山店、河庄和七贤乡梨花埠等地的大田病态烟草根部发现孢囊线虫的乳白色及蜡黄色雌虫,经实验室观察,所见均系含卵的成个体。进一步将自烟草病株根部抖落的土壤进行分离、镜检,见到大量褐色含卵孢囊。被孢囊线虫寄生的烟草,植株矮,叶片瘦小且失绿,其根系不发达,小根粗细不均匀,不舒展或部分坏死,小根前端常呈弯曲状态。
In early September 1985, the author found milky white and waxy female of cyst nematode in the morbid tobacco root of Daejeon in Huangshan store, Hezhuang village, Shanglin township, Lintao county, Shandong province and Lihua port of Qixian township. The results of laboratory observation , All of which are seen as eggs containing individuals. Further separation of the soil shaking off roots of tobacco plants, microscopic examination, to see a large number of brown oocysts. Tobacco parasitic by nematode nematode, plant short, thin and green leaves, the root system is underdeveloped, uneven root thickness, not stretch or partial necrosis, small root often bending state.