石家庄地区11个谷子品种的品质相关及聚类分析
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现代农业产业技术体系建设专项资金“国家谷子糜子产业技术体系项目”(CARS-07-12.5-A18)


Correlation and cluster analysis of quality traits in planted millets from Shijiazhuang
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    摘要:

    应用多元统计分析法,对石家庄地区种植的11个谷子品种的千粒重、糙米率、水分、蛋白质、脂肪、粗纤维、灰分、碳水化合物、微量元素含量进行了检测和系统分析,并通过主成分分析法建立模型进行分层综合评分。相关性分析结果表明:受遗传和环境的共同影响,同一品种各矿物质之间有显著正相关作用,且品种间差异较大;脂肪、蛋白质、粗纤维、碳水化合物含量差异相对较小;千粒重与蛋白质含量无显著相关关系。主成分分析结果显示,建立模型时需正向选择脂肪、蛋白质和灰分含量,负向选择水分、碳水化合物和粗纤维含量;建立模型后综合评分并聚类得出11个品种可聚为3类,第1类品质最优,最适宜石家庄地区种植,包括承谷13号、200131、冀谷19、衡2001、郑066和保213,第2类品质最差,只有安074117,第3类品质居中,包括206058、安0474585、A2×测351变、沧372。

    Abstract:

    Using multi-factor statistical analysis, thousand kernel weights, brown rice rate, moisture, protein, fat, crude fiber, ash, carbohydrate and trace element content in millets planted in Shijiazhuang were detected and analyzed systemically, and a model for hierarchical comprehensive evaluation was established through principal component analysis. The results showed that influenced by heredity and environment, there was a significant positive relevance among minerals with significant differences among species; there was relatively small variation among fat, protein, crude fiber and carbohydrate; there was no significant correlation between thousand grain weights and protein content. Principal component analysis indicated fat, protein and ash content should be positively selected, while moisture, carbohydrate and crude fiber content should be negatively selected when establishing the evaluation model. Comprehensive evaluation using the established model showed that 11 varieties of millets could be classified into three categories, group 1 including varieties Chenggu13, 200131, Jigu19, Heng2001, Zheng066 and Bao213 showed the best quality and was most suitable to be planted in shijiazhuang, group 2 consisted of variety An074117, showed the worst quality, and group 3 including varieties 206058, An0474585, A2×Ce351and Cang372 showed moderate quality.

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李珊珊.石家庄地区11个谷子品种的品质相关及聚类分析[J].湖南农业大学学报:自然科学版,2012,38(6):580-586.

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  • 收稿日期:2012-08-11
  • 最后修改日期:2012-08-28
  • 录用日期:2012-10-09
  • 在线发布日期: 2012-11-30
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