摘要
作者利用性信息素对杨树人工林的危险性蛀干害虫——白杨透翅蛾进行了大面积防治试验研究,平均诱捕率61.2%,防治后林地内平均虫口下降率75.3%,在阳光充足,郁闭度小的林缘空旷地向阳处效果好;单一林种被害率低,诱捕率较高,诱捕器以100~150m效果好;晴天气温高,风力小,光照长效果好。
Insect sex message elements were used for controlling dusky clearwing moth which damaged artificial regenerated poplar forests seriously in Lindian. Fuyu, Yian counties Heilongjiang province. The result showed that the average rate of trapping-capturing was 61.2%, the average declinign rate in the population was 75.3%. The experiment in trapping-capturing conditions and effects is carried out in the paper.
关键词
性信息素
防治
白杨透翅蛾
杨属
Sex message element Control Dusky clearwing moth