喀左县蚀叶蛾无公害防治技术

Environmentally-friendly Technologies for Control of Oxytrypia orbiculosa

喀左县2015年首次发现蚀叶蛾,主要为害马蔺,幼虫在土壤中啃食根部和茎基部,造成生长不良,严重时整株枯死。试验表明1.2%苦烟乳油1400倍液或0.9%的阿维菌素乳油5000倍液或Bt2乳剂2500倍液或20%杀玲脲悬浮剂4000倍液,防治效果均在90%以上,可有效控制危害。

Oxytrypia orbiculosa was first reported in Kazuo county in 2015,which mainly harms Iris lacteal in its laver in soil feeding on plant roots and stem,leading to plant death.The experiments for control of the pest showed that matrine 1.2%EC at concentration 1400 times,abamectin 0.9%at concentration of 5000 times,Bt2 at concentration of 2500 times or triflumuron at concentration of 4000 times are above 90%effective to control the pest.