基因型的AMMI和GGE双图分析通过环境相互作用和收益稳定性在早期成熟的牛豆[
Yirga Kindie1, Bulti Tesso2, Berhanu Amsalu3
1Sekota Dryland Agricultural Research Center Sekota Ethiopia.
Plant-environment interactions (Hoboken, N.J.)
|June 7, 2023
概括
研究人员确定了埃塞俄比亚农业的稳定牛基因型. 基因型G24和G16显示出高产量和稳定性,使它们成为商业生产和埃塞俄比亚进一步研究的理想选择.
科学领域:
- 农业科学 农业科学
- 植物育种 植物育种
- 遗传学 是一个遗传学.
背景情况:
- 牛 (Vigna unguiculata) 是全球食品和料的重要豆类作物.
- 埃塞俄比亚的牛豆生产面临着来自生物和非生物压力的重大挑战.
- 通过环境相互作用了解基因型对于开发稳定和高产牛品种至关重要.
研究的目的:
- 为了确定适合埃塞俄比亚农业生态条件的稳定牛基因型.
- 确定在埃塞俄比亚最有效的测试环境,用于牛的研究和开发.
- 通过环境相互作用 (GEI) 来分析影响豆谷物产量的基因型.
主要方法:
- 在6个不同的埃塞俄比亚地区评估了24个牛种和一个检查,使用5x5的三重网格设计.
- 采用分子变异分析 (AMMI) 和GGE双图分析来剖析GEI并确定稳定的基因型.
- 在2019年作物季的田间条件下评估谷物产量和与产量相关的特征.
主要成果:
- 环境,基因型和 GEI 对牛谷物产量的显著影响被观察到.
- 据AMMI分析显示,在谷物产量的总变化中,GEI占42.06%.
- 在GGE双图中,确定了三个巨型环境,并推了G24,G3和G16的基因型,这些基因型在特定地区的表现优越.
- 基因型G24被确定为最稳定和产量最高的基因型 (2632公斤/公),G16也显示出良好的稳定性和产量 (2290公斤/公).
- 米索被确定为最具歧视性和代表性的测试环境,而西林卡是最不具歧视性的.
结论:
- 推G24和G16基因型用于商业生产,并在埃塞俄比亚牛种植区进行进一步验证.
- 考虑到特定的大型环境的有针对性的育种策略可以提高豆的生产力.
- 这项研究为优化埃塞俄比亚牛测试策略和品种选择提供了宝贵的见解.
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