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多种环境试验结果的基于多种模型的验证在马 (Macrotyloma uniflorum Lam. Verdc.) 的使用情况
Sudhagar Rajaprakasam1, Sumaiya Sulthana Jafarullakhan2, Vaishnavi Vijayakumar3
1Office of the Dean (Agriculture), TNAU, Coimbatore, India. sudhagar.r@tnau.ac.in.
Scientific reports
|November 21, 2025
概括
这项研究使用多环境试验和先进的统计模型验证了马体基因型. 基因型G1显示出异常的产量稳定性,并确定了几种基因型的繁殖潜力.
科学领域:
- 农业科学 农业科学
- 遗传学和繁殖 遗传学和繁殖
- 农业学是一种农业学.
背景情况:
- 在多环境试验 (METs) 中,基因型与环境相互作用 (GEI) 对于评估作物表现至关重要.
- 初步研究使用固定模型确定了潜在的马基因突变基因型 (G1,G3,G25,G27).
- 通过确认MET的验证对于稳健的基因型评估至关重要.
研究的目的:
- 为了验证在初步的MET中发现的有希望的马基因组基因型.
- 通过使用线性混合模型 (LMM) 和与环境最大值 (YREM) 相对的收益率指数,评估基因型的性能和稳定性.
- 整合多种分析方法进行全面的GEI分析.
主要方法:
- 在六个环境 (2023-2024) 中进行了确认性MET.
- 使用LMM,YREM指数,BLUP,WAASB双图和多曲线选择指数 (MTSI) 的分析.
- 在分析中包括与产量显著相关的特征.
主要成果:
- 基因型G1显示最大产量潜力 (YREM=1.00),不受交叉GEI的影响.
- LMM和BLUP认为G1,G3,G22,G25,G27和G8是有希望的.
- WAASB双图和MTSI强调G1,G8,G27,G22,G3和G8是表现优越的.
- 遗传变异组件表明了不同程度的GEI,遗传收益和可遗传性.
结论:
- 使用LMM和YREM的确认MET验证了G1,G3,G22,G27和G8基因型的繁殖潜力.
- 基因型G22,G25和G8显示出特定方法的优势.
- 整合多种分析模型对于有效的GEI分析和马基因培养计划中强大的基因型选择至关重要.
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