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根结线虫病是西南地区烟草重要病害之一,发生危害与植烟土壤中线虫含量,土壤湿度密切相关,利用生防菌剂灭线灵防治烟草根结线虫病,重病区每株施用量2.5 g,轻病区1.5~2 g,施用方法以移栽前拌营养土塘施为优,防效在61%左右。
Root-knot nematode disease is one of the important tobacco diseases in the southwest of China. The occurrence of harm is closely related to the nematode content in soil and the soil moisture. Tobacco root-knot nematode disease g, light ward 1.5 ~ 2 g, the method of application to cultivate trophic soil before transplanting Shi You is excellent, control effect is about 61%.