Study on Comprehensive Quality of Walnut Based on Factor Analysis(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Author(s):: YANG Jing-yi; DING Xiao-xia; XIA Yu-fang; XIE Zhao-jun; TAO Xing-yue; (Forestry College,Guizhou University，Guiyang，Guizhou 550025)

Abstract:: In order to find out the factors influencing the leading from the evaluation of many walnut quality，achieve maximum walnut quality information with a minimum of target，the experiment with 8 walnuts from Hezhang as materials，determined by 12 indicators of physical and chemical characterization of walnut，using factor analysis，to reduce the dimension of the many indicators，find out a few dominant factors influencing the quality of walnut.The results showed that 12 primitive indexes belonged to 3 common factors independent of each other，the cumulative variance contribution rate reached 85.960%，of which，rate of kernel and shell thickness was the walnut quality physical index，protein content was an important indicator of chemical quality evaluation.There was some relationship between the physical and chemical quality and genetic relationship of walnut，using factor analysis results of the cluster analysis showed 1，5 and 6 walnut physic-chemical quality similar，may had a close genetic relationship,4，7 and 8 belonged to 3 categories ，that may be related to other plant far.The results of the study could provide the theoretical for walnut resource quality identification，and strain identification，classification and determining the genetic relationship in a certain degree.

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Last Update: 2015-08-01