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通过对樱桃果蝇的田间消长动态监测,初步明确烟台地区樱桃花期至采收期樱桃果蝇共有3次发生高峰,分别为4月25日前后、5月15日前后和6月3日前后。5月10日(果实膨大期)使用60目、80目防虫网的枝干网套法防治樱桃果蝇,30 d后防效均为100%;6月1日(果实转色期)使用60 g/L乙基多杀菌素悬浮剂1 500倍液和1%苦参碱可溶液剂1 000倍液防治,药后5 d的防效分别为97.06%和94.12%。
Through the dynamic monitoring of the growth and decline of cherry fruit flies in the field, it was initially ascertained that there were three peak occurrences of cherry fruit flies in the cherry-harvesting and cherry-blossom periods in Yantai, respectively, before and after April 25, before and after May 15, and before and after June 3. May 10 (fruit enlargement period) using 60 mesh, 80 mesh insect net network of branches and sets of methods to prevent and control cherry fruit flies, 30 d after the control effect was 100%; June 1 (fruit color) using 60 g / L ethyl spinosyn 1500 times and 1% matrine solution 1000 times prevention and control, the d 5 d after the control effect was 97.06% and 94.12%.