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在摩洛哥小麦中通过环境相互作用剖析基因型:先进的双块和热图分析揭示了定制育种策略的农学,质量特征和基因型稳定性

Oussama Hnizil^1,2, Aziz Baidani¹, Ilham Khlila^1,2

¹Laboratory of Agrifood and Health, Faculty of Sciences and Techniques, Hassan First University of Settat, P.B. 577, Settat 26000, Morocco.

Plants (Basel, Switzerland)

|April 27, 2024

概括

环境因素对摩洛哥各地区的小麦产量和质量产生重大影响. 育种策略必须平衡遗传潜力与环境适应能力,以实现可持续的作物改进.

科学领域:

农业科学农业科学
植物育种植物育种
遗传学遗传学是一个

背景情况:

基因型与环境 (G × E) 相互作用对于了解作物表现至关重要.
小麦育种计划必须考虑各种农业气候条件,以获得最佳的结果.

研究的目的:

调查摩洛哥农业气候区的小麦中的G × E相互作用.
在不同的环境条件下分析农学特征和质量属性的变化.

主要方法:

一项跨越摩洛哥不同农业气候区域的五年研究 (2016-2021年).
对农学特征 (产量,TKW,Spk/m2,生物量) 和质量属性 (蛋白质,质) 的分析.
双图和热图分析以了解基因型-环境动态.

主要成果:

观察到对产量,千核重量 (TKW) 和每平方米 (Spk/m2) 的峰值有显著的环境影响.
对于塔萨奥特 (TST) 的生物质而言,基因型影响是显著的,但对于西迪埃尔艾迪 (SEA) 和马尔丘奇 (MCH) 的产量组件基本上没有.
在SEA和MCH中,环境影响占主导地位,而TST对生物质有显著的遗传影响.

结论:

G × E 相互作用是复杂的,需要结合遗传潜力和环境适应能力的育种策略.
为了实现可持续的小麦生产,平衡提高产量与维持质量至关重要.
这些发现为战略性基因型选择和管理提供了基础,以优化摩洛哥小麦产量和质量.

关键词:

农业气候区农业气候区农业学特征农业学特征繁殖策略繁殖策略硬小麦硬小麦硬小麦基因型 × 环境 (G × E)质量特征是质量特征.

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