Scientia Agricultura Sinica ›› 2009, Vol. 42 ›› Issue (1): 198-203 .doi: 10.3864/j.issn.0578-1752.2009.01.024

• HORTICULTURE • Previous Articles     Next Articles

Comprehensive Evaluation of Potato Bruises in Different Genotypes

Li ping Jin   

  1. 中国农业科学院蔬菜花卉研究所
  • Received:2007-12-12 Revised:2008-03-25 Online:2009-01-10 Published:2009-01-10
  • Contact: QU Dong-yu

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Abstract:

【Objective】 The objective of the experiment was to obtain some bruise-tolerant potato genotypes for the bruising-related research. 【Method】 One hundred and four potato genotypes were used to assess their bruises by analyzing skinning, internal bruise and browning by Principle Component Analysis (PCA), Multivariate Analysis of Variance (MAOVA) and cluster analysis. 【Result】 The vector of principle component was skinning＞internal bruise＞browning in PCA of three bruises while 104 potato genotypes can be clustered into six clusters with prominent difference. 【Conclusion】 The importance of three bruises for tuber was skinning (SK)＞internal bruise (IB)＞browning (BR). Some genotypes with good integrative bruise tolerance were obtained. The result can simplify bruising problem and provide basic materials for further research.

Key words: potato tuber, bruising evaluation, cluster analysis, MAOVA, PCA

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