落叶松、樟子松、红松等北方珍贵树种的平地育苗,虽然各地都取得了很好的经验和成果,但是,不论老苗圃还是新建苗圃,松苗立枯病和蛴螬、蜷蛄等病虫害对松苗的生长和保苗率仍然是个威胁。往往由于土壤消毒和病虫害防治等跟不上去,松苗立枯病和各种虫害大发生而造成损失或全部失败则屡见不鲜。特别是,八山一水一分田的通化 Larix, Pinus sylvestris, Pinus, Pinus sylvestris and other rare species of northern tree seedlings breeding, although all over have made good experience and achievements, but no matter the old nursery or new nursery, pine seedling blight and catkins, curling and other pests and diseases Pine seedling growth and seedling protection rate is still a threat. Often due to soil disinfection and pest control can not keep up, pine seedling blight and a variety of pests occurred in the loss or failure of all is not uncommon. In particular, the eight mountains of water a field of Tonghua