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朝鲜球坚蚧(DidesmococcuskoreanusBorchs)近年在万荣县发生为害加重,已成为果树春季的主要害虫之一。为控制其为害,我们试验推广了以下防治技术措施。1)人工防治。冬春结合修剪,剪除虫枝;雌虫膨大期采用人工刷除或捏杀虫体,以减少虫源。2)药剂防治。①3月中、下旬越冬若虫期,
Didesmococcus koreanus Borchs have been aggravated in recent years in Wanrong County and have become one of the major pests in fruit trees in spring. In order to control its damage, we experimentally promoted the following prevention and control measures. 1) artificial prevention and treatment. Winter and spring combined with pruning, cut off the worm branches; female swollen period by artificial brush or pinch kill parasites to reduce the source of insects. 2) Pharmacy control. ① mid-to late March nymphs,