吸果夜蛾对山地桔园危害十分严重,一般产量损失达20％～85％,有的甚至无收。 1990年,青田县农业局应用5.7％百树得乳油(德国拜耳公司产),进行小面积的吸果夜蛾防治试验。选择往年吸果夜蛾为害最严重的山地成年温州蜜柑园,于8月中旬至采果前15～20天,进行连续喷药防治试验。试验设1000倍液(每次喷药间隔期 Fruit-bearing moths are very harmful to the orange fields in the mountains. The general yield loss is 20% ~ 85%, and some are even without yield. In 1990, Qingtian County Bureau of Agriculture application of 5.7% Baishu cream (Bayer produced in Germany), for small-scale control of fruit-bearing moths. In the past year, the most harmful adult moths of mountainous adult Citrus sinensis, which were harmed most recently, were selected from mid-August to 15-20 days before harvesting. Test set 1000 times the liquid (each spray interval