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用杀虫双防治柑桔潜叶蛾要把握好浓度当前我县桔农普遍使用杀虫双防治柑桔潜叶蛾，效果虽好，但使用不当，对柑桔会产生严重药害。据调查，我地桔农使用２５％杀虫双水剂２００～２５０倍液喷施后，造成大面积药害，主要症状表现为叶片逐渐萎蔫、枯黄，引起严重落叶。据我...
With insecticidal dual control of citrus leaf moths to grasp the current concentration of orange pests commonly used in our county insecticide and dual control of citrus leafminer, the effect is good, but the use of improper use of citrus will have serious injury. According to the survey, after using the 25% insecticide double agent 200 to 250 times to spray, the orange peasants in our region caused a large area of phytotoxicity. The main symptoms were the wilting of the leaves, the yellowing and the serious deciduous leaves. As far as I...