一、除了实行苗圃检疫把好六关(割条时查虫包、掘条时选虫包,过数时选虫包,剪条时剪虫包,插条时挑虫包,栽植时甩虫包)之外,不论出圃或进圃的杨树截干苗,要进行严格细致的检查苗木地径是否有白杨透翅蛾幼虫,查出 First, in addition to the implementation of the nursery quarantine to the good six (cut when the check insects bag, digging selected insect package, the number of times the election insects, cuttings shears package, cuttings picket bag, when planting rejection insects Package), regardless of nursery or into the garden of poplar truncated seedlings, to conduct a rigorous and meticulous examination of seedling ground diameter poplar moth larvae found