沈阳天柱山活立木腐朽菌的调查研究

Surveys on Rotten Fungi of Living Trees in Tianzhushan Mountain in Shenyang

通过对东陵天柱山所有树木种类及立木腐朽发生情况的详细调查,结果显示:天柱山区域内乔、灌树种共有19科60多种,其中有11科32种被活立木腐朽菌寄生。引起活立木腐朽的病原菌共有21种,分属真菌和细菌2大类别,真菌是引起树木腐朽病的主要类群。腐朽菌主要发生在干、干基、干皮部、枝杈和枝部,引起白色、黑色和褐色3种类型腐朽。发病的主要品种为京桃、垂柳、家榆、刺槐和暴马丁香等。常见的腐朽菌多为绒毛栓菌、裂褶菌、科普锐齿菌、多年卧孔菌、平伏刷革菌和欧文氏细菌。

Detailed investigation of all tree species and rotten standing woods in Tianzhushan areas of Dongling district in Shenyang were conducted. The results showed that there were 19 families and more than 60 species of trees and shrubs in Tianzhnshan areas, and among them there were 32 tree species of 11 families to be paraslted by rotten fungi of living trees. There were 21 species of pathogens that caused the living tree decaying, which belonged to fungi and bacterium respectively, and the fungi were the ma- jor factor for the decaying of living trees. The rotten fungi appeared in different parts such as stem, stem - base, bark and stem - branch, and 3 types of decaying with white, black and brown color were caused. The main tree species to be contacted were such tree species as Prunus davidiana,Salix babylonica,Ulmus pumila,Robinia pseudoococia,Syringa reticulota var,mandshurica.Common rotten fungi were Trametes pubescens,Schisophylhum commune,Oxydontia copelodii,Percniporia mirustissima and Eruinia sp.