摘要
该文调查了千山风景区古油松PinustabulaeformisCarr近年来衰退的原因 ,主要原因是气候变化和游人增多造成土壤和地被物的破坏使树势衰弱 ,引起病虫害发生。针对病虫害发生情况 。
The cause of decline of ancient Chinese pines(Pinus tabulaeformis Carr.)in Mount Qianshan Scenic Spot was investigated.The main reasons were the change of climate and the damage on soil and vegetation cause by the increase of tourists,which resulted in the weakness of trees.The common control measures were provided for reference in production.
出处
《中国森林病虫》
北大核心
2002年第4期25-27,共3页
Forest Pest and Disease