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Position: Home > Articles > Analysis of Cryphonectria parasitica in Southern Shaanxi Based on Quantitative Theory(Ⅰ) Journal of Northwest Forestry University 2010,25 (6) 122-125

基于数量化理论Ⅰ的陕南板栗疫病成因分析

作  者:
宋晓斌;刘昭军
单  位:
西北农林科技大学林学院
关键词:
数量化理论Ⅰ;板栗疫病;成因
摘  要:
以陕南地区板栗林为对象,通过设立标准地进行部分抽样和完全抽样调查板栗疫病的发生和危害程度,积累2005—2008年板栗疫病相关数据。运用数量化理论Ⅰ对在陕南地区调查的25个板栗林样地进行分析,筛选影响板栗疫病发病率的重要因子及其影响程度。结果表明:坡向、先一年冬季降水量、先一年冬季极端最低温度和管理水平是影响板栗疫病发生的重要因素,其中坡向是最大影响因子。
译  名:
Analysis of Cryphonectria parasitica in Southern Shaanxi Based on Quantitative Theory(Ⅰ)
作  者:
SONG Xiao-bin,LIU Zhao-jun (College of Forestry,Northwest A&F University,Yangling,Shaanxi 712100,China)
关键词:
quantitative theory(Ⅰ);;Cryphonectria parasitica;;cause
摘  要:
Occurrence and damage degrees of chestnut blight(Cryphonectria parasitica) in Southern Shaanxi were investigated by partial and complete sampling methods during 2005-2008.Data that obtained from 25 sampling plots were systematically analyzed based on quantitative theory(Ⅰ) to quantify each qualitative factor,and to obtain mathematical model of the causes of blight occurrence.Four factors were considered as the main ones influencing the occurrence chestnut blight;slope aspect,rainfall in the past winter,extreme temperature in the past winter,and management level,among which slope aspect was the key factor.Suggestions were given for the development of chestnut industry in Southern Shaanxi.

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