The Yin and Yang in plant breeding: the trade-off between plant growth yield and tolerance to stresses

Biotechnology Research and Innovation Pub Date : 2019-01-01 DOI:10.1016/j.biori.2020.02.001

Aline Cunha da Silva , Marcelo de Freitas Lima , Nubia Barbosa Eloy , Flávia Thiebaut , Patrícia Montessoro , Adriana Silva Hemerly , Paulo Cavalcanti Gomes Ferreira

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引用次数: 12

Abstract

Plants have the ability to recognize and respond to biotic and abiotic stresses that are responsible for considerable yield losses in agriculture. Currently, a central goal of crop deployment is to develop the capacity to be tolerant to multiple stresses without a reduction in fitness. Still, many efforts to release such plants have failed because, frequently, there is a trade-off between growth and tolerance to stresses. Conventional breeding plays an essential role in crop improvement, but it is necessary to develop new tools, using for instance CRISPR, to produce new cultivars exhibiting tolerance to stress without significant yield penalty. In this short review we discuss novel strategies that can be employed to produce novel cultivars that would increase plant productivity without being hindered by potential negative effects of the immune response on plant development.

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植物育种中的阴与阳:植物生长产量与抗逆性之间的权衡

植物具有识别和响应生物和非生物胁迫的能力，这些胁迫是造成农业大量产量损失的原因。目前，作物种植的一个中心目标是在不降低适应性的情况下发展对多种胁迫的耐受能力。尽管如此，许多释放这些植物的努力都失败了，因为在生长和对压力的耐受性之间经常存在权衡。传统育种在作物改良中起着至关重要的作用，但是有必要开发新的工具，例如使用CRISPR，以生产出具有耐受性的新品种，而不会造成显著的产量损失。在这篇简短的综述中，我们讨论了可以用来生产新品种的新策略，这些新品种可以提高植物的生产力，而不会受到免疫反应对植物发育的潜在负面影响的阻碍。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Biotechnology Research and Innovation

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