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杏球坚介壳虫是杏树的主要害虫,除为害杏树外,还为害桃、李等果树。该虫主要以若虫及雌成虫密集在枝干上吸取汁液进行为害。受害树生长衰弱,枝条枯死,产量低,品质差。杏球坚介壳虫体外有一层蜡质介壳,一般药剂难以渗入,喷药防治掌握不好时机效果不太理想。为此,我们用氧化乐果涂干进行了防治试验,取得了较好效果,现介绍给您。我们的试验是在甘肃省武威县永昌乡下源村果园进行的,供试树为17年生,使用药剂为40％氧化乐果。5月8日雌成虫形成介
Apricot ball Jian scale insects is the main pests of apricot, in addition to harmful apricot, peach, Lee and other fruit trees. The insect nymphs and female adults mainly concentrated in the stems on the juice for harm. Damaged tree growth weak, dead branches, low yield, poor quality. Apricot ball scale insects outside a layer of wax shell, the general agent is difficult to infiltrate, spray prevention and control of bad timing is not ideal. To this end, we coated with omethoate prevention and control tests, achieved good results, are introduced to you. Our experiment was conducted in the orchard of Xiaoyuan Village, Yongchang Country, Wuwei County, Gansu Province. The test tree was 17 years old and the medicament used was 40% omethoate. May 8 adult female formation mediated