摘要
棉大卷叶螟Notarcha derogate(Fabricius)在鄢陵县1 a发生4代,第3、4代发生最为严重,以老熟幼虫越冬。幼虫卷叶呈筒状,蚕食叶片。世代重叠。在成虫羽化期,采用黑光灯诱杀成虫;在幼虫初期,喷洒25%灭幼脲Ⅲ号2 500倍、50%杀螟松乳油1 500倍、1.8%阿维菌素乳油4 000倍、10%氯氰菊酯乳油6 000倍液,防治效果好。
Notarcha derogate has 4 generations a year in Yanling County and overwinters as the matured larva. The larva eats leaf. The generations overlap. In the eclosion period, Black light lamp could trap and kill adult. In larva period, Spray of 25 % dichlorbenzuron Ⅲ (2 500×), 50 % Fenitrothion (1 500×), 1.8 % abamectin (4 000×), 10 % cypermethrin (6 000×), had a good control effect.
出处
《中国森林病虫》
北大核心
2006年第4期30-31,共2页
Forest Pest and Disease