3树种抗旱性的灰色关联分析  

Analysis on Grey Correlative of Drought Resistance of Three Tree Species

作　　者：李禄军[1] 车克钧 蒋志荣[1] 邵玲玲[1] 

机构地区：[1]甘肃农业大学林学院,甘肃兰州730070 [2]甘肃省白龙江林业管理局

出　　处：《防护林科技》2006年第6期26-27,79,共3页Protection Forest Science and Technology

摘　　要：运用灰色关联分析法,对红柳、侧柏和合头草等3个树种的抗旱性与9项抗旱指标的相关性进行了分析。关联度分析结果表明:叶绿素含量、叶水势、叶片相对含水量以及电导率与3个树种的关联度分别为0.767 4、0.700 5、0.679 3和0.628 7,它们可作为3个树种重要的抗旱评价指标。Applying the method of grey correlative analysis, the correlation of drought resistance of 3 species and 9 drought resistance indexes was analyzed. The results with grey correlative degree analysis showed that chlorophyll content, leaf water potential,leaf RWC （relative water content） and electric conductivity, whose correlative degree with 3 tree species were 0.7674,0. 7005,0.6793 and 0.6287 respectively, can be regarded as the important indexes of drought resistance evaluation of the species.

关 键 词：抗旱性 隶属函数 灰色关联分析 关联度 

分 类 号：S718.43[农业科学—林学]