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1993~1994年在乾县枣子沟苹果区对植物性无公害杀虫剂蔬果净的田间试验结果表明,在梨星毛虫和苹果巢蛾为害苹果树叶片初期喷施0.5%蔬果净乳油750~1500倍液,药后10d防效均达80%以上,药后20d梨星毛虫死亡率100%。
The results of field experiments on the net pollution of botanical insecticides and fruits and vegetables in the apple region of Zaozigou in Qianxian County from 1993 to 1994 showed that spraying 0.5% fruits and vegetables EC on the leaves of apple pear caterpillars ~ 1500 times the liquid, 10d after the drug control effect reached more than 80%, 20 days after drug pear star caterpillar mortality rate of 100%.