摘要
应用24%螺螨酯悬浮剂、40%阿维·炔螨特悬浮剂、15%哒螨灵乳油、1.8%阿维菌素微乳剂、0.3%苦参碱水剂杀虫剂5种药剂防治苹果二斑叶螨的结果表明:24%螺螨酯悬浮剂4 000倍液、40%阿维·炔螨特悬浮剂2 000倍液、1.8%阿维菌素微乳剂5 000倍液、0.3%苦参碱水剂杀虫剂600倍液4种药剂,喷药后7天防效分别为98.06%、95.01%、98.19%、97.46%,药剂处理后20天防效分别为96.34%、99.04%、92.76%、96.39%,用以上4种药剂防治二斑叶螨速效性好、持效期长、防效高;而15%哒螨灵乳油3 000倍液药后7天的防效仅有56.61%,原因是多年来一直使用15%哒螨灵乳油防治二斑叶螨,导致二斑叶螨产生抗药性。
The application spirodiclofen 24% SC and 40% avi. Acetylene mites, suspending agent, dalai mite spirit was 15%、1.8%, 0.3% abamectin micro emulsions matrine prevention and control of 5 kinds of water-based pesticides pharmaceutical processing apple Tetranychus urticae.The results showed that 24%screw mite ester containing 4000 times liquid, 40% avi. Acetylene mites, suspending agent 2000 times liquid, 1.8% abamectin micro emulsion 5000 times liquid, 0.3% matrine of water-based pesticides 600 times liquid of 4 kinds of medicament treatment 7 d after spraying control effect were 98.06%, 95.01%, 98.19%,97.46%, medicament treatment after 20 d control effect were 96.34%, 99.04%, 92.76%, 96.39%, with more than four control two variegated mite available sex good, the effect of long period, high control effect, and15% dalai mite spirit was 3000 times liquid medicine after 7 d control effect is only 56.61%, the reason is that for years has been to use 15% dalai mite spirit was control two variegated mites, lead to Tetranychus urticae, control effect is reduced greatly.
出处
《林业科技》
2015年第2期26-28,共3页
Forestry Science & Technology
关键词
药剂
防治
苹果
二斑叶螨
田间试验
Agent
Prevention and control
Apple
Tetranychus urticae
The test
