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首页> 外文期刊>Critical Reviews in Plant Sciences >The effect of 5 cycles of biparental mass selection on a narrow base maize population based on phenotype, combining ability, and SSR analyses
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The effect of 5 cycles of biparental mass selection on a narrow base maize population based on phenotype, combining ability, and SSR analyses

机译:基于表型,结合能力和SSR分析的5个循环均质量选择对窄基玉米群的影响

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摘要

Five cycles of biparental mass selection (MS) were carried out to improve the narrow-base maize population P4CO. In different ecological environments, the phenotypes of the developed populations were analyzed, the combining abilities were tested according to an incomplete diallel model to study the effects of selection, and the effects of MS on genetic diversity of the populations were also analyzed by using 51 pairs of SSR markers. It was found that MS was effective in improving the main traits and general combing ability (GCA), and it was effective on maintaining the genetic diversity of the population. At the same time, the genetic structure was changed with advance of selection.
机译:进行了五个循环的一循环,以改善窄基玉米群体P4Co。 在不同的生态环境中,分析了发育群体的表型,根据不完全的拨号模型测试了组合能力,以研究选择的效果,并且还通过使用51对分析群体遗传多样性对群体遗传多样性的影响 SSR标记。 发现MS有效地改善了主要特征和一般梳理能力(GCA),并且有效地维持人口的遗传多样性。 同时,遗传结构随着选择前进而改变。

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  • 作者单位

    Sichuan Agr Univ Maize Res Inst Key Lab Crop Genet Resources &

    Improvement Minist Educ Yaan 625014 Sichuan Peoples R China;

    Sichuan Agr Univ Coll Agron Chengdu 611130 Sichuan Peoples R China;

    Sichuan Agr Univ Maize Res Inst Key Lab Crop Genet Resources &

    Improvement Minist Educ Yaan 625014 Sichuan Peoples R China;

    AAFC Eastern Cereal &

    Oilseed Res Ctr Ottawa ON K1A OC5 Canada;

    Sichuan Agr Univ Maize Res Inst Key Lab Crop Genet Resources &

    Improvement Minist Educ Yaan 625014 Sichuan Peoples R China;

    Sichuan Agr Univ Maize Res Inst Key Lab Crop Genet Resources &

    Improvement Minist Educ Yaan 625014 Sichuan Peoples R China;

    Sichuan Agr Univ Coll Agron Chengdu 611130 Sichuan Peoples R China;

    Sichuan Agr Univ Maize Res Inst Key Lab Crop Genet Resources &

    Improvement Minist Educ Yaan 625014 Sichuan Peoples R China;

    Sichuan Agr Univ Maize Res Inst Key Lab Crop Genet Resources &

    Improvement Minist Educ Yaan 625014 Sichuan Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 植物学;
  • 关键词

    maize; narrow base population; recurrent selection; effect of improvement; genetic diversity; SSR;

    机译:玉米;狭窄的基础人口;复发选择;改善的影响;遗传多样性;SSR;

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