WANG Liang,LI Yan,LIU Zhi-gang,et al.Correlation and Principal Component Analysis Between Major Agronomic Traits of Processing Tomato in Xinjiang[J].Northern Horticulture,2014,38(13):20-24.
新疆加工番茄农艺性状的相关性及主成分分析
- Title:
- Correlation and Principal Component Analysis Between Major Agronomic Traits of Processing Tomato in Xinjiang
- 文章编号:
- 1001-0009(2014)13-0020-05
- Keywords:
- Xinjiang; processing tomato(Lycopersicum esculentum Mill.); elite combination; agronomic trait; statistic analysis
- 分类号:
- S 641.2
- 文献标志码:
- A
- 摘要:
- 以2010～2012年间选配的28个加工番茄强优势杂交组合为试材，采用多元统计分析方法，研究了加工番茄9个植株性状与7个果实性状以及产量间的相关性，并进行主成分分析。结果表明：单株产量与单株结果数、有效侧枝数、单株总花序数、单株总花朵数、单株坐果率等性状呈极显著正相关关系，单株结果数与单果重、果实横径、心室数、可溶性固形物含量呈负相关关系，但相关性不显著。主成分分析显示，前5个主成分的累计贡献率达到81.11%，其中第一主成分的贡献最大，贡献率为33.19%，因此，在新疆加工番茄高产育种中，应更加重视有效侧枝因子的选择。
- 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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备注/Memo
第一作者简介：王亮（1982-），男，新疆阜康人，硕士，助理研究员，现主要从事加工番茄育种等研究工作。E-mail：nkywangliang@163.com.