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首页> 外文期刊>Trends in Plant Science >Cereal phytochromes: targets of selection, targets for manipulation?
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Cereal phytochromes: targets of selection, targets for manipulation?

机译:谷物植物色素:选择目标,操纵目标?

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摘要

Plants respond to shading through an adaptive syndrome termed shade avoidance. In high-density crop plantings, shade avoidance generally increases extension growth at the expense of yield and can be at odds with the agronomic performance of the crop as a whole. Studies in Arabidopsis are beginning to reveal the essential role phytochromes play in regulating this process and to identify genes underlying the response. In this article, we focus on how phytochrome signaling networks have been targeted in cereal breeding programs in the past and discuss the potential to alter these pathways through breeding and transgenic manipulation to develop crops that perform better under typical high density conditions.
机译:植物通过称为“避光”的适应性综合症对阴影做出反应。在高密度农作物种植中,避荫通常以增加产量为代价来增加延伸生长,并且可能与整个农作物的农艺表现相矛盾。在拟南芥中的研究开始揭示植物色素在调节这一过程中所起的重要作用,并鉴定出应答的基础基因。在本文中,我们着眼于过去谷类育种计划中如何针对植物色素信号传导网络进行了探讨,并讨论了通过育种和转基因操作改变这些途径以发展在典型高密度条件下表现更好的农作物的潜力。

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