2007～2008年对广西靖西县15个乡镇的旱地烟草根结线虫病发生情况进行了实地调查,结果显示,靖西县15个乡镇旱地烟草根结线虫检出率为100%,其中龙临乡的根结线虫量最多,达989头/100mL土;平均根结指数为17.34,其中最高的是南坡乡,达46.89,表明根结线虫病在靖西县旱地烟草中发生普遍。文章同时分析了靖西县普遍发生烟草根结线虫病的原因,并提出了防治措施。 Field investigation of the occurrence of tobacco root-knot nematodes in dry land in 15 towns and villages in Jingxi County of Guangxi from 2007 to 2008 showed that the detection rate of tobacco root-knot nematodes was 100% in dry land of 15 townships in Jingxi County, of which Dragon The population of root knot nematodes in the township was the highest, reaching 989 head / 100 mL soil. The average root knot index was 17.34, the highest was Nanpo Township, reaching 46.89, indicating that root knot nematode disease was common in dryland tobacco in Jingxi County. The article also analyzes the causes of tobacco root knot nematode disease in Jingxi County and puts forward the prevention and cure measures.