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我区 7～ 9月为梨小食心虫危害苹果梨严重时期 ,用 10 0 0倍液、150 0倍液、2 0 0 0倍液、250 0倍液的 30 %辛脲乳油稀释液进行试验 ,并以 2 0 %杀灭菊酯 4 0 0 0倍液对照 ,清水作为空白对照。结果表明 ,与杀灭菊酯相比 ,30 %辛脲乳油的 150 0～ 2 0 0 0倍液速杀性好 ,见效快 ,持效期长 ,无污染。
7 to 9 months in my area pear pest insects and pests endanger the apple pears severe period, with 10 0 0 times, 150 0 times, 200 times, 250 0 times 30% of the test solution of urea EC, And 20% fenvalerate 400 times the control, water as a blank control. The results showed that 150% ~ 200% liquid of 30% octoxifloxacin had good liquidity, quick response, long lasting effect and no pollution compared with sumatrathrin.