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作物学报

作物学报 ›› 1984, Vol. 10 ›› Issue (03): 201-206.

• 研究论文 • 上一篇    下一篇

小麦粒重与植株性状相关因素的统计分析

贾继增   

  1. 中国农业科学院农作物品种资源所
  • 收稿日期:1984-01-06 修回日期:1984-03-23 出版日期:1984-09-12 网络出版日期:1984-09-12

THE STATISTICAL ANALYSIS FOR CORRELATION FACTORS IN KERNEL WEIGHT AND PLANT CHARACTERS IN WHEAT (T.AESTIVUM L.)

Jia Jizeng

  

  1. Institute of Crop Germplasm Resources of the Chinese Academy of Agricultural Sciences
  • Received:1984-01-06 Revised:1984-03-23 Published:1984-09-12 Published online:1984-09-12

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摘要： 本文用简单相关,通径系数,逐步回归等分析方法,对45个大粒品种的八个性状进行了统计分析,结果表明:千粒重受多因素影响,其中穗粒数,穗长对粒重的直接影响为负值,穗下节长,旗叶宽对粒重的直接影响为正值。株高对粒重的直接影响不显著,但可通过其它因素影响粒重。

Abstract: Eight characters of 45 big-kernel wheat varieties were analysed usingsimple correlation,path-coefficient and stepwise regression.The mainresults were as follows:many factors affected kernel weight;the directeffects of kernel/spike and length of spike on kernel weight were nega-tive,while the peduncl

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