应用表型多基因选择方法预测普通黑豆F2、F3和F4分离代的遗传

I. Carvalho, V. J. Szareski, G. H. Demari, M. H. Barbosa, Franciene Lautenchleger, V. Q. Souza, S. M. Fachi, D. Boeno, Mayara Torres Mendonça, Henrique Eguilhor Rodrigues, Jainara Fresinghelli Netto, Francisco Amaral Vilella, T. Pedó
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引用次数: 1

摘要

本研究的目的是对普通黑豆种子F2、F3和F4分离代的产量性状进行表型多基因选择和预测遗传分析。试验设计采用增块设计,以BRS Esplendor (BE)、BRS Supremo (BS)和IPR Tiziu (IT)基因型为对照,分4个重复,其余处理按独特方式组织,F2分离代由36个普通黑豆群体代表,F3分离代由72个家族代表,F4分离代由44个家族代表。多叶表型指数提供了单株种子数量和质量的同时选择,而不依赖于普通黑豆的分离代。F3分离代的多动脉遗传变异优势明显,F4代的环境效应明显。与商业对照相比,F4分离家族表现出优越的遗传增益和优越基因型的数量,在F3到F4选择之间暴露出高遗传增加。表型指数的应用表明,该方法适用于普通黑豆基因型的选择,以提高种子产量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Phenotypic multicarter selection approach to predict genetics applied in the segregating generations F2, F3 and F4 of common black beans
The objective of this work was to apply the phenotypic multicarter selection and predictive genetic for the attributes of the yield of common black bean seeds in the segregating generations F2, F3 and F4.The experimental design was augmented blocks, where the BRS Esplendor (BE), BRS Supremo (BS) and IPR Tiziu (IT) genotypes were used as controls arranged in four replicates, the other treatments were organized in a unique way in the experiment, the F2 segregating generation being represented by 36 common black bean populations, F3 segregating generation composed of 72 families and the F4 segregating generation formed by 44 families. The multicarter phenotypic index provided the simultaneous selection for the number and mass of seeds per plant, independent of the segregating generation of common black bean.Multicarter genetic variation is superior for the F3 segregating generation, with pronounced environmental effects on the F4 generation.The F4 segregating families express superiority to the genetic gain and magnitude of superior genotypes in relation to the commercial controls, where high genetic increase is exposed between the F3 to F4selection.The use of the phenotypic index expresses applicability to the selection of common black bean genotypes to increase seed yield.
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