卫生球“杀”天牛不妨一试果树枝干，尤其是老枝干，常被天牛幼虫为害，造成果树生长不良，树势衰退，产量下降，果质变差，甚至有的不结果，严重的会使果枝（干）死亡。为解决这一难题，果农常用剧毒农药注入虫孔中，有的则凿木找虫等；结果还是收效不大，下面介绍一种简... Health ball “kill” beetle may wish to try a branch of fruit trees, especially the old branches, often by Tianzhu larvae damage, resulting in poor growth of fruit trees, tree decline, decline in yield, fruit deterioration, and some do not even result in serious Will cause the fruit branch (dry) to die. In order to solve this problem, fruit farmer commonly used highly toxic pesticides into the wormhole, while others are chisel wood looking for insects, etc .; the result is still not effective, here is a brief introduction ...