近年来，烟草孢囊线虫病已成为国内外烟草的主要病害之一，在我国主产烟区扩展蔓延迅速，为害日趋严重。潍坊市作为全国主要的烟草产区，据统计已发生面积６５００ｈｍ２。烟草孢囊线虫病主要为害烟株的地下根，轻者造成根系发育不良，严重的根系不能舒展或坏死，从而造成植株 In recent years, tobacco cyst nematode disease has become one of the major diseases of tobacco at home and abroad. The expansion of main tobacco growing areas in our country spread rapidly and the harm is becoming more and more serious. Weifang City, as the country’s major tobacco-producing areas, according to statistics has occurred area of ​​6500hm2. Tobacco cyst nematode disease is mainly harmful tobacco root underground, light caused by poor root growth, severe root can not stretch or necrosis, resulting in plants