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田间试验结果表明,20%虫螨星乳油复配剂对苹果蚜螨具有优良的防治效果,稀释倍数在3500倍,防效达90%左右,持效期14天以上。
The results of field trials showed that 20% of mites and mites star EC had excellent control effect on apple aphid mites with a dilution of 3,500 times and an effective control rate of 90%, with a persistence period of more than 14 days.