距离分析方法在小麦亲本选配中的应用研究

作物学报 ›› 1992, Vol. 18 ›› Issue (05): 359-365.

距离分析方法在小麦亲本选配中的应用研究

何中虎

北京市农林科学院作物研究所

收稿日期:1991-03-02 修回日期:1991-07-12 出版日期:1992-09-12 网络出版日期:1992-09-12

Studies on the Application of Distance Analysis to the Choice of Parents in Wheat Breeding

He Zhonghu

Crop Institute of Beijing Municipal Academy of Agricultural and Forestry Sciences

Received:1991-03-02 Revised:1991-07-12 Published:1992-09-12 Published online:1992-09-12

摘要/Abstract

摘要： 作者对距离分析方法在小麦亲本选配中的应用问题做了系统研究,本文是这一研究的总结报告。结果表明:1.遗传距离与杂种优势的关系受试验材料的影响。从聚类结果来看,在小麦育种中选择类间亲本进行杂交要优于类内亲本间的杂交。2.就性状选用方法而言,广义遗传力法要优于常规法和权重法。3.距离分析所反映的遗传差异不同于亲缘差

关键词: 距离分析,性状选用,生物学意义, 杂种优势, 亲本选配, 小麦

Abstract: This paper is a summery of a series of studies on the application of distance analy-sis to the choice of parents in wheat breeding. The results are as follows: (1) It wasfound that the relationship between genetic distance and heterosis was influenced bythe experimental materials used. According to

Key words: Distance analysis, Choice of characters, Heterosis, Biological implication, Choice of parents, Wheat

何中虎. 距离分析方法在小麦亲本选配中的应用研究[J]. 作物学报, 1992, 18(05): 359-365.

He Zhonghu. Studies on the Application of Distance Analysis to the Choice of Parents in Wheat Breeding[J]. Acta Agron Sin, 1992, 18(05): 359-365.

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