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作物学报 ›› 1987, Vol. 13 ›› Issue (03): 193-200.

• 研究论文 • 上一篇    下一篇

玉米遗传距离测量方法及其与产量的杂种优势和特殊配合力的关系

龙漫远   

  1. 四川农业大学数量遗传研究室
  • 收稿日期:1986-05-06 修回日期:1987-04-05 出版日期:1987-08-12 网络出版日期:1987-08-12

THE METHODS FOR MEASURING GENETIC DISTANCE AND THE RELATIONSHIP BETWEEN YIELD HETEROSIS/SPECIFIC COMBINING ABILITY AND GENETIC DISTANCE IN MAIZE(ZEA MAYS L.)

Long Manyuan   

  1. Sichuan Agricultural University; Yaan; Sichuan Province
  • Received:1986-05-06 Revised:1987-04-05 Published:1987-08-12 Published online:1987-08-12

摘要: 本文以21个玉米自交系和按15×6不完全双列杂交设计配制的90个单交种为材料,对遗传距离测量方法进行了初步探索,对遗传距离与产量的杂种优势及特殊配合力的关系进行了研究。方法的探索包括主成分法(刘来福,1979)与枢轴凝聚法(C.R.R(?)o,1952)2种遗传距离计算方法的比较,以及对作者提出的分类指标(性状)选择的新方法的分析。结

Abstract: The present paper is concerned in the comparison of different met-hods for estimating genetic distance and choosing characters and dealtwith the relationship between yield heterosis/specific combining abilityand genetic distance in maize.The data used in analysis came from anexperiment involving 21

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