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1、对蚜虫的防效:据本校实习基地青花菜喷施1000-2000X快益灵,药后24小时对蚜虫的防效达82.65%-89%;喷施一遍净2500X的防效为97.89%,而喷施20%速灭丁2500×的防效只有57.25%,另据永嘉点和喷施快益灵1200×试验,喷药后2天,对蚜虫的防效分别为86.24%和95.43%;永嘉点喷施快益灵1200×7天,对蚜虫的防效为89.91%,由此表明:喷施快益灵对蚜虫的防效约差于一遍净,而快益灵对蚜虫的防效要高于速灭杀丁30%以上。其药效期可在7天以上。2、对小菜蛾和菜青虫的防效:据永嘉县上塘镇下塘村在喷施1200×快益灵防治小菜蛾、菜青虫资料表明:喷药后2、5、7天后对小菜蛾的防效分别为84.00%、87.58%和87.40%,对菜青虫的防效分别为84.35%、81.41%和89.91%,由此说明,快益灵对小菜蛾,菜青虫的防效亦较理想。
1, the control effect of aphids: According to our school base broccoli spray 1000-2000X Kuai Ling, 24 hours after drug control of aphids 82.65% -89%; spray again net 2500X control effect was 97.89% , While the spraying of 20% of the speed off the effect of sterilization 2500 × only 57.25%, and according to Yongjia point and spray fasting spirit 1200 × test, 2 days after spraying, the control effect of aphids were 86.24% and 95.43% ; Yongjia point spraying fasting spirit 1200 × 7 days, the control effect of aphids was 89.91%, which shows: spraying fasting spirit on the effectiveness of aphids is about worse than net, Effect is higher than the speed kill kill more than 30%. Its efficacy can be more than 7 days. 2, against diamondback moth and cabbage worm control: According to the village of Yongjia County, Tong Village, spraying 1200 × Kuailing prevention and treatment of diamondback moth, Pieris rapae data show: 2,5,7 days after spraying on the diamondback moth The control effects were 84.00%, 87.58% and 87.40%, respectively. The control effects on cabbage worm were 84.35%, 81.41% and 89.91%, respectively.