摘要
1996年和1997年伊春地区的乌伊岭等林业局相继发生舞毒蛾大面积危害,为了尽快控制该害虫的危害,将经济损失减少到最低限度,作者对该害虫的发生规律和防治技术等进行了两年的研究。查明舞毒蛾在该地区为1年1代,以卵越冬;其幼虫喜食柞树、杨柳等阔叶树和部分针叶树;郁闭度小、窝风向阳和干燥的林分受害较重。通过对舞毒蛾幼虫、成虫和卵量的调查,确定了幼虫、卵量等预测公式,并在此基础上分别进行了喷雾、烟剂、灯诱和人工采卵等防治措施,其防治效果在50%~89%。
Lymantria dispar L. broke out in Yichun area in 1996 and 1997. L. dispar has one
generation in a year and overwinters in the form of eggs. The larvae of L. dispar likes to eat
broadleaf trees such as poplar and willow, also to eat some connifers. The forest with low
canopy density, southern slope and drying environment was destroyed more seriously. The
larvae and eggs forecasting formulas were built up. Spraying smoke control, light extracting
and artificial egg-picking were carried, and the control effect was 50%~89%.
出处
《东北林业大学学报》
CAS
CSCD
北大核心
1999年第1期63-66,共4页
Journal of Northeast Forestry University
关键词
舞毒蛾
发生规律
防治技术
Lymantria dispar L. Appearing laws
Control technique