防治油菜跳甲和地下害虫是保苗的基础。临夏高寒阴湿地区发生危害的跳甲主要有油菜黄曲跳甲和油菜蚤跳甲。油菜跳甲发生危害的危险期在油菜三叶前期;跳甲活动危害的高峰期是中午至下午田间温度最高的时段,也是农药防治的最佳时段,药剂起到触杀和胃毒双重作用。当前,生产中广泛应用的油菜拌种药剂有5%甲拌磷颗粒剂(施用剂量为每亩5千克),40%甲拌磷乳油或40%甲基异柳磷乳油(拌种剂量为种子量的1%),这些有机磷农药毒性高,使用不安全且破坏生 Control rape beetle and underground pests are the basis for seedlings. Linxia alpine areas wet damaging aphrodisiac mainly rape beetle and flea beetle jumping a. The danger period of rape beetle jumping occurs in the early stage of rape clover. The peak of the damage of jumping activity is the highest temperature in the field from noon to afternoon. It is also the best time for pesticide control. The medicine plays the dual role of contact and stomach poisoning. At present, rapeseed seed dressing agents widely used in production are 5% phorate granules (application dose of 5 kg per acre), 40% phorate oil or 40% 1%), these organophosphorus pesticides are highly toxic, unsafe to use and destroy the health