基于主成分分析的烤烟新品种筛选
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摘要
对国内新近育成的17个烤烟新品种(系)的18个农艺、经济和化学品质性状进行了调查分析,采用主成分分析方法对参试品种(系)进行综合评价。以性状的累积方差贡献率达到86.236%为标准,确定了5个反映烤烟产质量的主成分,并通过计算参试品种(系)的重要主成分值,对新引进品种进行比较筛选。结果表明,金80530、贵烟2号、云烟110、CF223、金80439等品种(系)分值较高,其结果与品种的实际表现一致,表明可以用主成分分析法对烤烟品种的性状进行综合评价,为优良品种筛选提供依据。
Eighteen indices related to agronomic characteristics, economic characteristics and chemical quality characteristics of seventeen new bred flue-cured tobacco varieties(lines) in recent years were measured. A comprehensive assessment was done to these 17 varieties(lines) by using principal components analysis. By comparing with the cumulative variance proportion of the traits at 86.236%, five principal components reflecting the yield and quality of the flue-cured tobacco were confirmed. The value of the major principal components of the given varieties(lines) were calculated to compare and select the good varieties. The results showed that the value of the major principal components of Jin80530, Gunyan No.2, Yunyan110,CF223, Jin80439 were higher, corresponding to their actual phenotypes. So it was suggested that the principal component analysis could be used to the comprehensive assessment of the traits of the flue-cured tobacco varieties, which would provide a basis for selecting the improved tobaccos varieties.
Eighteen indices related to agronomic characteristics, economic characteristics and chemical quality characteristics of seventeen new bred flue-cured tobacco varieties(lines) in recent years were measured. A comprehensive assessment was done to these 17 varieties(lines) by using principal components analysis. By comparing with the cumulative variance proportion of the traits at 86.236%, five principal components reflecting the yield and quality of the flue-cured tobacco were confirmed. The value of the major principal components of the given varieties(lines) were calculated to compare and select the good varieties. The results showed that the value of the major principal components of Jin80530, Gunyan No.2, Yunyan110,CF223, Jin80439 were higher, corresponding to their actual phenotypes. So it was suggested that the principal component analysis could be used to the comprehensive assessment of the traits of the flue-cured tobacco varieties, which would provide a basis for selecting the improved tobaccos varieties.
引文
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[4]肖良俊,宁德鲁,彭明俊,等.滇东北核桃优良单株主要经济性状的主成分分析[J].西北林学院学报,2013,28(2):79-82.
[5]郑新疆,朱晓平,陶志柱,等.陆地棉品种主要数量性状的主成分分析[J].中国棉花,2013,40(1):12-14.
[6]史跃伟,王志红,王轶,等.烤烟新品种(系)主要化学成分的因子分析[J].安徽农业科学,2008,36(25):10958-10959.
[7]傅同良.33个糯玉米自交系遗传主成分和距离分析[J].中国农业科学,1995,28(5):46-53.
[8]YC/T 142-1998,烟草农艺性状调查方法[S].
[9]金闻博,戴亚,横田拓,等.烟草化学[M].北京:清华大学出版社,2000.
[10]闫克玉.烟草化学[M].郑州:郑州大学出版社,2002.
[11]肖协忠.烟草化学[M].北京:中国农业科技出版社,1997.
[12]刘国顺.国内外烟叶质量差距分析和提高烟叶质量技术途径探讨[J].中国烟草学报,2003(增刊):54-59.
[13]李国栋,胡建军,周冀衡,等.基于主成分和聚类分析的烤烟化学品质综合评价[J].烟草科技,2008(12):5-9.