Correlation and Principal Component Analysis Between Major Agronomic Traits of Processing Tomato in Xinjiang(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2014年13期

Page:

20-24

Research Field:

Publishing date:

Info

Title:

Correlation and Principal Component Analysis Between Major Agronomic Traits of Processing Tomato in Xinjiang

Author(s):

WANG Liang¹; 2; LI Yan¹; LIU Zhi-gang¹; WANG Jian-jiang³

1.Crop Research Institute，Xinjiang Academy of Agricultural and Reclamation Science，Shihezi，Xinjiang 832000；

2.Xinjiang Production and Construction Group Key Laboratory of Crop Germplasm Enhancement and Gene Resources Utilization，Shihezi，Xinjiang 832000；

3.Shihezi Vegetable Institute，Shihezi，Xinjiang 832000

Keywords:

Xinjiang; processing tomato(Lycopersicum esculentum Mill.); elite combination; agronomic trait; statistic analysis

PACS:

S 641.2

DOI:

-

Abstract:

28 processing tomato elite combinations produced since 2010～2012 were chosen as experimental materials，correlation and principal component analysis between 9 plant traits and 7 fruit traits of processing tomato were investigated using multiple statistic methods.The correlation analysis results indicated that yield per plant was related significantly and positively with fruit number per plant，number of branch，number of inflorescence per plant，number of flower per plant and fruit percentage per plant.While fruit number per plant was correlated negatively with single fruit weight，fruit width，number of ventricle and soluble solid content，but their correlations were not significant.Meanwhile the principal component analysis showed that the cumulative contribution rate of 5 principal components was 81.11%，and the contribution rate of first principal component was the biggest in 5 principal components，it’s up to 33.19%.Therefore，in processing tomato breeding programs targeting for high yield，selecting effective branches factor should be paid more attention.

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