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杨树是隆德县营造用材林的主要树种,分布广,适应性强,易栽植,发育快,为群众所喜爱.但近年来,由于杨光肩星天牛的猖獗为害,致使本县的杨沟、奠安、联才等公社成林的杨树造成了毁灭性灾害,大大挫伤了群众造林的积极性,严重地威胁着林业生产的发展.为此,去年我们组织专人同群众一道,在虫害严重发生地区对此虫进行了调查和观察,并做了一些防治试验.现将初步结果整理如下,供防治时参考.
Poplar is Lund County, timber plantation to create the main species, widely distributed, adaptable, easy to plant, fast development, for the masses .But in recent years, due to the rampant of Yang Guang Shijian Tian cattle, resulting in the county Yang ditch, , Together only such as poplar commune commune caused devastating disaster, which greatly dampen the enthusiasm of the masses afforestation, a serious threat to the development of forestry production.To this end, last year, we organized a team together with the masses in the pest serious areas of The insects were investigated and observed, and made a number of prevention and control trials are now sorted out as the initial results for prevention and treatment of reference.