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当前位置: 首页 > 文章 > 黄土高原主要造林树种对鼢鼠危害的抗性研究 西北林学院学报 2009,24 (1) 116-121
Position: Home > Articles > Zokor Resistance of Main Tree Species on Loess Plateau Journal of Northwest Forestry University 2009,24 (1) 116-121

黄土高原主要造林树种对鼢鼠危害的抗性研究

作  者：
韩崇选;辛晓辉;张放;王明春;杨清娥;张宏利
单  位：
西北农林科技大学林学院
关键词：
黄土高原;鼢鼠;主要造林树种;抗鼠性;耐鼠性
摘  要：
采用定植3 a林木的被害率和被害存活率指标,将黄土高原主要造林树种分为高抗、中抗、低抗和易害树种。油松、侧柏、山杏、刺槐和沙棘个体死亡时根系的被害程度依次为13.58%、19.81%、33.50%、39.62%、42.16%,被害林木死亡率为100%时的根系被害程度依次为72.52%、78.03%、81.25%、89.12%、90.14%。林木抗鼠性差异的主要原因是林木的生长特性和鼢鼠对其喜食的程度与取食量。林木根系生长愈快、萌生能力愈强,被害程度愈低,耐鼠性愈强。
译  名：
Zokor Resistance of Main Tree Species on Loess Plateau
作  者：
HAN Chong-xuan,XIN Xiao-hui,ZHANG Fang,WANG Ming-chun,YANG Qing-e,ZHANG Hong-li (College of Forestry,Northwest A & F University,Yangling,Shaanxi 712100,China)
关键词：
Loess Plateau;zokor;main tree species;rodent-resistance;rodent-endurance
摘  要：
Based on field survey and test-woods investigation,adopting indices of injury rate and survival rate of injured trees in a three-year-old plantation,main species of afforestation on the Loess Plateau were divided into 4 groups: high,middle,low resistant and susceptible species to zoker.For tree species,Pinus tabulaeformis,Platycladus orientalis,Armeniaca sibirica,Robinia pseudoacacia and Hippophae rhamnoides,the root injury rates were 13.58%,19.81%,33.50%,39.62%and 42.16% respectively in the initial stage of the death of injured trees.The root injury rate were 72.52%,78.03%,81.25%,89.12% and 90.14% when damaged forest mortality was 100%.The main reasons resulted in the difference of tree species rodent-resistance were that the forest vegetative characteristics,the zokor food specialization and intaking dosage.The higher development of root system and sprouting capability of the tree species,the lower injury rates and higher resistance to zoker.

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