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杨树生长迅速、成材早、轮伐期短,在平原农田林网建设中发挥着重要的屏障作用,同时也是发展速生丰产林和四旁绿化的重要树种。但杨树病虫害种类较多,尤以蛀干害虫更为严重,主要的蛀干害虫有杨干象、白杨透翅蛾、青杨天牛。下面简要地介绍一下杨树蛀干害虫综合防治技术。一?
Poplar grows rapidly, grows early, turns short, plays an important barrier role in the construction of plain farmland forest network, but also is an important tree species for developing fast-growing high yield forest and greening around. However, there are more poplar pests and diseases, especially stem borers and pests. The main stem borers are Yang dry elephant, poplar and poplar. The following brief introduction of poplar stem borers comprehensive prevention and control technology. one?