卫农Ⅰ号防治水稻三化螟枯心每 6 6 7m2 用量 (有效成分a i ) 15～ 2 0 g的防效为 70 .8%～ 87.3% ,与对照药剂 5 0 %稻丰散、2 0 %阿维·唑磷的药效相当 ,但比螟速净的药效高出 33%～ 6 3.87% ;防治三化螟白穗 ,每6 6 7m2 用量 (a i ) 2 0～ 30g ,防效 82 .5 %～ 96 .7% ,均比杀虫双、杀虫单明显提高 ,且能大大节省用药量 The control effect of Weinong Ⅰ on rice stem borer was 70.8% ~ 87.3% per 6 6 7m 2 dosage (active ingredient ai) of 15 ~ 20 g, and 50% % Aviezoboside has the same potency but 33% -36.77% higher than the net effect of Bifidobacteriaceae; prevention and control of Bt rice white spikes, 20-6g per 6 6m 2 dosage (ai) 82.5% ~ 96.7%, both than double insecticide, insecticide single significantly increased, and can greatly reduce the dosage