摘要
对甘蓝菜青虫的防治选择4种杀虫剂进行药剂试验,避免由于连续、长期、单一使用菊酯类杀虫剂而产生的残留和抗药性问题,并提高防效。结果表明20%的氰氟虫腙乳油见效快,持效期长、安全性好,可在1-2龄幼虫期以900-1200ml/hm2的用量与2.5%的高效氯氟氰聚酯乳油300ml/hm2交替喷施。
Four insecticides were selected to control cabbage caterpillar to avoid residue and drug resistant,the results showed 20% qingfuchongzong ec quick results,the effect could be keep long time and good safety.it should be used in the larva stage of 1-2 age with 900-1200ml/hm2 alternating spraying lufujing polyester ec 300 ml/hm2.
出处
《青海农林科技》
2010年第3期56-57,共2页
Science and Technology of Qinghai Agriculture and Forestry
关键词
甘蓝
菜青虫
杀虫剂
防治效果
Cabbage
Caterpillar
Insecticide
Control effect
