摘要
以40%乐果乳油和4.5%高效氯氰菊酯乳油为对照药剂,研究不同剂量的Bt悬浮液对辣椒烟青虫防治效果,结果表明,在辣椒结果盛期(7月25日),烟青虫1～2龄幼虫期,用Bt悬浮液80 mL/667m2对水50kg进行喷雾,防治效果达83.67%～87.91%,为最佳剂量。
Suspension Bt of different ratio doses were tested on pepper Heliothis assulta Guenee in field.The result showed the control effect was 83.67%-87.91% when the suspension Bt was sprayed per 80mL/667m2,during middle stage of sitting and 1-2 instar larvae of H.assulta Guenee.
出处
《长江蔬菜》
2010年第22期69-70,共2页
Journal of Changjiang Vegetables
基金
黔科合NY字(2007)3026号辣椒抗旱材料的筛选与抗旱品种选育
关键词
辣椒
烟青虫
Bt悬浮液
防治效果
Pepper
Heliothis assulta Guenee
Suspension Bt
Control effect
