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选用对地下害虫防治效果显著的药剂,进行柑桔地粉蚧防治试验。结果表明,48%毒死蜱乳油和20%好年冬乳油原液可以有效控制柑桔地粉蚧。通过试验观察,也初步确定了柑桔地粉蚧的最佳防治时期为5月中旬和6月下旬。
Selection of underground pest control effect of significant pharmaceutical, citrus ground scale prevention and control test. The results showed that 48% chlorpyrifos EC and 20% good winter EC could effectively control the mealybugs. Through the experimental observation, it was also initially determined that the best control period of citrus mealybug was mid-May and late June.