Genotype × environment interaction and stability analysis of advanced field pea (Pisum sativum L.) genotypes in Southeastern Ethiopia

Q3 Agricultural and Biological Sciences Ecological Genetics and Genomics Pub Date : 2024-10-23 DOI:10.1016/j.egg.2024.100302

Gizachew Yilma Kebede, Temesgen Abo Eritro, Deressa Tesfaye Gutu

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Abstract

Field pea is a leguminous crops that have a significant economic contributions to sustainable Ethiopian agriculture. The experiment was conducted at four location in 2015/16 to 2016/17 main cropping seasons with the objectives of to determine the magnitude of genotype by environment interactions and its stability of thirteen field pea genotypes using randomized complete block design with four replications. The AMMI analysis revealed that significant (p<0.01) differences between genotypes, environments and genotype by environment interactions for grain yield. This indicates the genotypes responded differently across environments. The highest mean grain yield was recorded from genotype G₁₂ which records (2992 kg ha⁻¹) followed by genotype G₄ 2974 kg ha⁻¹ across environments. The AMMI analysis showed that genotypes, environments and there interaction accounted about 72.9 %, 1.2 % and 5.7 % of the total sum of squares respectively. The GGE biplot first two principal components explained about 57.42 % of the total sum square of GEI. The GGE biplot revealed that G₄ and G₁₂ were the most stable and high yielding genotypes, while G₁₀ and G₉ were the lowest yielder and stable genotypes. The results indicated that genotypes responded differently to environmental conditions and the environments influenced genotype performances.

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埃塞俄比亚东南部先进大田豌豆（Pisum sativum L.）基因型与环境的相互作用及稳定性分析

大田豌豆是一种豆科作物，对埃塞俄比亚农业的可持续发展有着重要的经济贡献。该试验于 2015/16 年至 2016/17 年主要耕种季节在四个地点进行，目的是采用四次重复的随机完全区组设计，确定 13 个大田豌豆基因型的基因型与环境交互作用的大小及其稳定性。AMMI分析表明，基因型、环境和基因型与环境的相互作用在谷物产量方面存在显著差异（p<0.01）。这表明基因型对不同环境的反应不同。基因型 G12 的平均谷物产量最高（2992 千克/公顷-1），其次是基因型 G4（2974 千克/公顷-1）。AMMI 分析表明，基因型、环境及其交互作用分别占总平方和的 72.9%、1.2% 和 5.7%。GGE 双图的前两个主成分解释了约 57.42 % 的 GEI 总平方和。GGE 双图显示，G4 和 G12 是最稳定的高产基因型，而 G10 和 G9 是产量最低且稳定的基因型。结果表明，基因型对环境条件的反应不同，环境影响了基因型的表现。

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来源期刊

Ecological Genetics and Genomics Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics

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1.80

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0.00%

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期刊介绍： Ecological Genetics and Genomics publishes ecological studies of broad interest that provide significant insight into ecological interactions or/ and species diversification. New data in these areas are published as research papers, or methods and resource reports that provide novel information on technologies or tools that will be of interest to a broad readership. Complete data sets are shared where appropriate. The journal also provides Reviews, and Perspectives articles, which present commentary on the latest advances published both here and elsewhere, placing such progress in its broader biological context. Topics include: -metagenomics -population genetics/genomics -evolutionary ecology -conservation and molecular adaptation -speciation genetics -environmental and marine genomics -ecological simulation -genomic divergence of organisms