摘要
本文通过对黔灵公园 12个主要景点的马尾松林分调查和 17株被害木的解剖 ,85株样木的取样 ,2 5 5个样本的镜检和分析 ,初步认为公园内马尾松枯死是诸多因素综合作用的结果 ,特别是拟松材线虫 Bursap helenchus mucronatus与松墨天牛 Monochamus alternatus的危害加速了马尾松树的死亡。马尾松平均被害株率、平均致死株率分别为 31.7%、 4 .4 8% ;
The investigation on the Masson pine forest in 12 scenic spots in Qianling park and the analysis on 85 attacked pines showed that the withered of pines is caused by all kinds of factor, special attacked of Bursaphelenchus mucronatus and Monochamus alternatus speeded up Masson pine to die. The attack rates are 31 7% and the death rates are 4 48%. Some suggestions against the attack are given.
出处
《贵州林业科技》
2002年第3期19-23,共5页
Guizhou Forestry Science and Technology
