对坚果产量的稳定性和果 (Anacardium occidentale L.) 的辅助特征的分析
E Eradasappa1, G S Mohana2, M Poduval3
1ICAR-Directorate of Cashew Research, Puttur, India. era.dasappa@gmail.com.
Scientific reports
|January 24, 2024
概括
确定稳定的果仁基因型对于增加印度各地坚果生产至关重要. 这项研究建议K-22-1和Bhubaneswar-1在关键的果仁种植地区种植,以提高产量稳定性.
科学领域:
- 农业科学 农业科学
- 遗传学 是一个遗传学.
- 植物育种 植物育种
背景情况:
- 在印度种植 (Anacardium occidentale L.),在不同的农业生态区表现出显著的产量差异.
- 确定稳定的果仁基因型对于优化坚果产量和确保一致的生产至关重要.
研究的目的:
- 在印度的多个环境中确定坚果产量和辅助特征的稳定果仁基因型.
- 分析基因型与环境的相互作用,以改进果仁育种策略.
主要方法:
- 从2008-2018年使用随机块设计在四个环境中对18种果仁基因型的实地试验.
- 使用添加主效应和倍增相互作用 (AMMI) 和基因型对环境 (GGE) 方法分析年度和累积坚果产量数据.
- 统计分析包括差异分析 (ANOVA) 和相互作用主要成分分析 (IPCA).
主要成果:
- 在第六个年度收获的八个特征和累积产量中观察到显著的差异,基因型对环境 (G x E) 相互作用相当大 (77.22%的总变化).
- 针对不同的环境确定了特定的获胜基因型 (例如,布巴内斯瓦尔的BPP-8和Vengulra-7,Pilicode的Kanaka和Priyanka).
- 基因型K-22-1和Bhubaneswar-1表现出高稳定性和产量,分别推用于印度西部和东部.
结论:
- 基因型K-22-1表现出基于AMMI稳定性值 (ASV) 的优越稳定性.
- 布巴内斯瓦-1被确定为基于收益稳定指数 (YSI) 的稳定和高收益基因型.
- 推在合适的地区种植K-22-1和Bhubaneswar-1等已识别的稳定基因型,以提高国家果仁产量.
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