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杨树腐烂病(Valsa soidida Nits.)为喀左县杨树速生丰产林的重要病害之一。对其病疤空间分布结构的研究,是一项揭示病原菌种群在某一时刻的行为习性和诸环境因子的迭加影响,以及种选择栖境的内禀特性和空间结构的异质性程度。估计病疤密度的抽样调查中,在确定原始数据统计分析方法时,在考察林木受害形成过程和决定必须防治密度时都有十分重要的意义。
Valsa soidida Nits. Is one of the most important diseases of poplar fast-growing and high-yield stands in Qazuo County. The study on the spatial distribution of scarring is a revealing of the behavioral habit of the pathogen population at a certain moment and the superimposed influence of various environmental factors as well as the heterogeneity of the intrinsic characteristics and spatial structure of species selection habitat. In the sampling survey to estimate the density of the scar, it is very important in determining the method of statistical analysis of the raw data when examining the process of forest victimization and determining the density that must be controlled.