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近年来花生蛴螬的危害日趋严重。据收获期调查,每平方米平均有蛴螬3.9头,最高达67头,最多时1穴花生就查到蛴螬10头。蛴螬为害一般造成花生减产10%～30%,严重地块达50%以上,极大影响了花生的产量和品质。为指导搞好夏花生蛴螬防治工作,笔者根据近年来观察和调查分析结果,对其发生特点、重发原因及无公害防治技术进行综述如下。
In recent years, the dangers of peanut slugs have become increasingly serious. According to the survey of harvest period, there are an average of 3.9 蛴 每 per square meter, up to 67, up to 1 peanut found 蛴 螬 10 head. Common damage caused peanut 10% ~ 30% of peanut production, block more than 50% of the serious, greatly affected the yield and quality of peanuts. In order to guide the prevention and control of summer peanut 蛴 搞, based on the observation and investigation results in recent years, the author summarizes the reasons for its occurrence, causes of recurrence and pollution prevention and control technologies as follows.