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Redesigning the exploitation of wheat genetic resources

机译:重新设计小麦遗传资源的开发

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More than half a million wheat genetic resources are resting in gene banks worldwide. Unlocking their hidden favorable genetic diversity for breeding is pivotal for enhancing grain yield potential, and averting future food shortages. Here, we propose exploiting recent advances in hybrid wheat technology to uncover the masked breeding values of wheat genetic resources. The gathered phenotypic information will enable a targeted choice of accessions with high value for pre-breeding among this plethora of genetic resources. We intend to provoke a paradigm shift in pre-breeding strategies for grain yield, moving away from allele mining toward genome-wide selection to bridge the yield gap between genetic resources and elite breeding pools.
机译:全球有超过半百万的小麦遗传资源保存在基因库中。释放它们隐藏的有利遗传多样性以进行育种,对于提高谷物单产潜力和避免未来粮食短缺至关重要。在这里,我们建议利用杂交小麦技术的最新进展来揭示小麦遗传资源的隐蔽育种价值。收集到的表型信息将有助于在众多遗传资源中有针对性地选择具有高价值的预育材料。我们打算在谷物育种的预育策略上引起范式转变,从等位基因挖掘转向全基因组选择,以弥合遗传资源与优良育种库之间的产量差距。

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