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Molecular Genetics and Breeding for Nutrient Use Efficiency in Rice

机译:水稻营养利用效率的分子遗传育种

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摘要

In the coming decades, rice production needs to be carried out sustainably to keep the balance between profitability margins and essential resource input costs. Many fertilizers, such as N, depend primarily on fossil fuels, whereas P comes from rock phosphates. How long these reserves will last and sustain agriculture remains to be seen. Therefore, current agricultural food production under such conditions remains an enormous and colossal challenge. Researchers have been trying to identify nutrient use-efficient varieties over the past few decades with limited success. The concept of nutrient use efficiency is being revisited to understand the molecular genetic basis, while much of it is not entirely understood yet. However, significant achievements have recently been observed at the molecular level in nitrogen and phosphorus use efficiency. Breeding teams are trying to incorporate these valuable QTLs and genes into their rice breeding programs. In this review, we seek to identify the achievements and the progress made so far in the fields of genetics, molecular breeding and biotechnology, especially for nutrient use efficiency in rice.
机译:在未来几十年中,大米生产需要可持续进行,以保持利润率和基本资源投入成本之间的平衡。许多肥料(例如N)主要依赖化石燃料,而P来自磷酸盐岩。这些储备将持续多久并维持农业尚待观察。因此,当前在这种条件下的农业食品生产仍然是巨大而巨大的挑战。在过去的几十年中,研究人员一直试图确定营养有效利用品种,但取得的成功有限。人们正在重新审视养分利用效率的概念,以了解分子遗传学基础,尽管其中许多尚未完全理解。然而,最近在分子水平上已经观察到氮和磷的利用效率方面的重大成就。育种团队正在尝试将这些有价值的QTL和基因纳入其水稻育种计划。在这篇综述中,我们力求查明迄今为止在遗传学,分子育种和生物技术领域,尤其是在水稻养分利用效率方面所取得的成就和取得的进展。

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