黑豆和紫豆基因型的适应性和稳定性

IF 0.8 Q3 AGRICULTURE, MULTIDISCIPLINARY
M. R. Nascimento, R. Daher, P. Santos, A. G. D. Souza
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引用次数: 0

摘要

摘要由于基因型与环境的互作效应,选择最佳基因型是一项困难的工作。当这种相互作用存在时,对适应性和稳定性的研究可以提供最佳基因型的选择。因此,所选择的基因型应与高产、对不同环境条件的适应性以及生产稳定性有关。本研究旨在从适应性、稳定性和产量等方面对黑豆和紫豆预品种进行评价和选择。通过混合模型对参数进行估计,并采用预测遗传值相对性能调和平均值(HMRPGV)方法进行选择。环境影响了黑豆和紫豆基因型的表型表达,表现出特定的适应性。同时考虑产量、适应性和稳定性,黑豆基因型BRS Esteio、BRS FP 403、CNFP 15681和CNFP 16459和紫豆自交系CNFRx 16340、CNFRx 16346和CNFRx 16353表现最好。HMRPGV方法提供了具有高产、可预测性和对环境改善响应性的基因型优化选择,可作为商业种植普通豆类基因型的选择策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Adaptability and stability of black and purple bean genotypes
ABSTRACT Selecting the best genotypes is difficult, due to the genotype × environment interaction effect. When this interaction is present, the study of adaptability and stability can provide the selection of the best genotypes. Thus, the selected genotypes should associate high yield, adaptability to diferent environmental conditions, as well as production stability. This study aimed to evaluate and select black and purple bean precultivars based on adaptability, stability and grain yield. The parameters were estimated via mixed models and the selection using the Harmonic Mean of the Relative Performance of Predicted Genetic Values (HMRPGV) method. The environments infuenced the phenotypic expression of the black and purple bean genotypes, characterizing a specific adaptability. The black bean genotypes BRS Esteio, BRS FP 403, CNFP 15681 and CNFP 16459 and the purple bean inbred lines CNFRx 16340, CNFRx 16346 and CNFRx 16353 showed the best performance, when considering, simultaneously, grain yield, adaptability and stability. The HMRPGV method provided an optimized selection of genotypes with high grain yield, predictability and responsiveness to environmental improvements, and should be used as a selection strategy for common bean genotypes for commercial growing.
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来源期刊
Pesquisa Agropecuaria Tropical
Pesquisa Agropecuaria Tropical AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
1.40
自引率
20.00%
发文量
26
审稿时长
20 weeks
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