|Table of Contents|

Evaluation on Fruit Quality of Wine Grape Based on  Principal Component Analysis(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年11
Page:
13-14
Research Field:
Publishing date:

Info

Title:
Evaluation on Fruit Quality of Wine Grape Based on  Principal Component Analysis
Author(s):
LIU ChunyanXIE YueLI DongmeiZHANG JingWANG Zhenping
(College of Agriculture,Ningxia University,Yinchuan,Ningxia 750021)
Keywords:
grapefruit qualityprincipal component analysis
PACS:
-
DOI:
10.11937/bfyy.201711003
Abstract:
Seven wine grape varieties in Ningxia Province were used as materials,differences in fruit quality indicators including single grain weight,vertical diameter,transverse diameter,berry size,fruit shape index,soluble solid,total sugar,reducing sugar,titratable acid,sugar acid ratio,tannin,total phenolic were evaluated.Meanwhile,these quality traits were analyzed by difference analysis,correlation analysis and principal component analysis(PCA).The variance analysis showed that the 12 quality indicators revealed a significant difference among seven different grape varieties,the wide variation were among the seven grape varieties with variation coefficient between 4.43% and 73.30%;correlation analysis showed that they had certain correlation,in addition to the differences between each quality trait;principal component analysis showed that 12 quality traits could be integrated into three principal components,the cumulative contribution rate of the three principal components reached 90.07%,the variation of grape quality characteristics were relative abundance,the cumulative contribution rate was relatively concentrated,12 indexes were the main characteristics to evaluate the grape fruit quality.

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Last Update: 2017-06-12