SHI Hui,XU Hai-tao.Genetic Variation ,Correlation and Principal ComponentAnalysis on Major Agronomic Trait of Soybean[J].HEILONGJIANG AGRICULTURAL SCIENCES,2008,(02):29-32.[doi:10.11942/j.issn1002-2767.2008.02.0029]
大豆主要农艺性状的遗传变异及相关性和主成分分析
- Title:
- Genetic Variation ,Correlation and Principal ComponentAnalysis on Major Agronomic Trait of Soybean
- 文章编号:
- 1002-2767(2008)02-0029-03
- Keywords:
- so ybean; ag ronomic traint ; genetic variatio n; cor rela tion ana ly sis; principal component analy sis
- 分类号:
- S565 .1
- 文献标志码:
- A
- 摘要:
- 以国家黄淮海区试南A 组11 个大豆品种为材料, 对12 个主要农艺性状进行变异系数、相关性和主成分分析。结果表明:有效分枝、倒伏级和单株荚数的变异系数较大, 分别为60.93 %、34.40 %和27.89 %, 生育期的变异系数最小为4.17 %;在相关性上, 小区产量与单株粒重呈极显著正相关, 株高、单株荚数、单株粒数和每荚粒数也与小区产量呈正相关;主成分分析结果表明, 前4 个主成分对变异的累计贡献率达92.16 %。在性状选择上, 首先对变异大的性状进行选择是非常重要的, 在品种选择上, 应注意选择产量和单株粒重、单株荚数、单株粒数、每荚粒数均高的品种。
- Abstract:
- The g enetic va riatio n, cor rela tion a nd principal component of 12 ag ro nomic charac te rs of 11 soy bean varieties o f south gr oup A in H ua ng huaihai r eg io n w ere analyzed.The re sults showed tha t the variatio ns of No .ofbranches pe r plant , lodging scale and po ds per plant we re the gr ea te st, with a v alue of 60.93 %, 34 .40% and27.89%, and variatio ns of g row th period w ere the lea st , with a value of 4.17 %.Cor relation analysis indica ted tha tthere w as a significantly po sitive co rrelation betw een yield per plo t and seed weight per pla nt , and the re w as also apo sitiv e co r relation tends among plant heig ht, pods per plant , No .of seeds pe r plant , seeds per po d and y ield perplo t.Principal component analysis showed that the fir st fo ur principal components accounted fo r 92 .16% of to talvariatio n.It is ve ry impo r tant to select these ag ronomic traits w hich hav e bigg er va riant coefficient and have hig hyie ld .The variety should choo se seed weight pe r plant, pods per plant , No .of seeds per plant and seeds per pod a llon high level.
参考文献/References:
[ 1] 韩龙珠.多元分析在小麦数量性状研究中的应用[ M] // 刘垂.作物数量性状的多元遗传分析.北京:农业出版社, 1991 :232-257 .
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备注/Memo
第一作者简介:石惠(1976-), 女, 河南西平人, 助理农艺师, 主要从事作物育种和农业技术推广工作。E-mai l:xuht0101 @126 .com 。