利用加性主效应和乘性互作贝叶斯方法评价了爆米花简单新杂交种的适应性和稳定性

IF 1.2 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY Bragantia Pub Date : 2022-01-01 DOI:10.1590/1678-4499.20200467
C. R. Castro, C. Scapim, R. Pinto, S. Ruffato, D. Zeffa, S. T. Ivamoto, Gustavo Henrique Freiria, Silvia Regina de Toledo Gonçalves
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引用次数: 1

摘要

开发适应性广、稳定性高、性能优良的玉米新品种是缓解基因型与环境互作效应的主要途径之一。本研究的主要目的是利用贝叶斯加性主效应和乘性互作(BAMMI)方法,评价爆米花新杂交种对籽粒产量(GY)和爆胀能力(PE)性状的适应性和稳定性。本研究对45个爆米花新品种和3个商品品种(IAC-125、Pop Top和Top Ten)的GY和PE进行了6种不同环境下的检测。采用贝叶斯方法进行基因型与环境相互作用、相关性和稳定性分析。与零模型相比,完整模型的偏差信息标准(DIC)值最低,表明两种被评估农艺性状均存在基因型与环境的相互作用。GY与PE呈负相关(r = -0.24, 95%最高后验密度[HPD] = -0.31;-0.17),并确认了同时对两个特征进行选择的难度。UEM-3和UEM-7杂交种对GY和PE表现出广泛的稳定性和较高的后验平均值。这两个品种都可以在爆米花产区进行登记和推荐栽培。
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Adaptability and stability analysis of new popcorn simple hybrids evaluated using additive main effects and multiplicative interaction Bayesian approaches
: The development of new popcorn cultivars that include wide adaptation, high stability and superior performance characteristics is one of the main alternatives to mitigate the effects of the genotype × environment interaction. In this sense, our main goal was to evaluate the adaptability and stability of new popcorn hybrids using Bayesian additive main effects and multiplicative interaction (BAMMI) method for grain yield (GY) and popping expansion capacity (PE) traits. We evaluated GY and PE from 45 new popcorn hybrids and three commercial cultivars (IAC–125, Pop Top and Top Ten) as checks in six different environments. Genotype × environment interaction, correlation and stability analyses were performed using Bayesian approaches. The full models tested presented the lowest deviance information criterion (DIC) values when compared to null models, indicating the presence of the genotype × environment interaction for both evaluated agronomic traits. Negative correlations were observed between GY and PE (r = –0.24, 95% highest posterior density [HPD] = –0.31; –0.17) and confirm the difficulty to perform selection simultaneously for both characteristics. UEM–3 and UEM–7 hybrids showed wide stability and high a posteriori averages for GY and PE. Both cultivars can be registered and recommended for cultivation in popcorn producing regions.
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来源期刊
Bragantia
Bragantia AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
2.40
自引率
8.30%
发文量
33
审稿时长
4 weeks
期刊介绍: Bragantia é uma revista de ciências agronômicas editada pelo Instituto Agronômico da Agência Paulista de Tecnologia dos Agronegócios, da Secretaria de Agricultura e Abastecimento do Estado de São Paulo, com o objetivo de publicar trabalhos científicos originais que contribuam para o desenvolvimento das ciências agronômicas. A revista é publicada desde 1941, tornando-se semestral em 1984, quadrimestral em 2001 e trimestral em 2005. É filiada à Associação Brasileira de Editores Científicos (ABEC).
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