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首页> 外文期刊>Journal of Experimental Botany >Regulation of floral initiation in horticultural trees.
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Regulation of floral initiation in horticultural trees.

机译：园艺树木花序的调控。

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摘要

The intention of this review is to discuss floral initiation of horticultural trees. Floral initiation is best understood for herbaceous species, especially at the molecular level, so a brief overview of the control of floral initiation of Arabidopsis (Arabidopsis thaliana (L.) Heynh.) precedes the discussion of trees. Four major pathways to flowering have been characterized in Arabidopsis, including environmental induction through photoperiod and temperature, autonomous floral initiation, and regulation by gibberellins. Tropical trees are generally induced to flower through environmental cues, whereas floral initiation of temperate deciduous trees is often autonomous. In the tropical evergreen tree mango, Mangifera indica L., cool temperature is the only factor known to induce flowering, but does not ensure floral initiation will occur because there are important interactions with vegetative growth. The temperate deciduous tree apple, Malus domestica Borkh., flowers autonomously, with floral initiation dependent on aspects of vegetative development in the growing season before anthesis, although with respect to the floral initiation of trees in general: the effect of the environment, interactions with vegetative growth, the roles of plant growth regulators and carbohydrates, and recent advances in molecular biology, are discussed.
机译：这篇综述的目的是讨论园艺树木的花期萌生。对于草本植物，尤其是在分子水平上，花卉萌生是最好的理解，因此在讨论树木之前，先简要概述拟南芥（Arabidopsis thaliana（L.）Heynh。）的花卉萌生控制。拟南芥中已鉴定出四个主要的开花途径，包括通过光周期和温度诱导环境，自主开花引发和赤霉素调控。通常通过环境提示使热带树木开花，而温带落叶树的花卉萌生通常是自主的。在热带常绿乔木芒果（Mangifera indica L.）中，凉爽的温度是诱导开花的唯一已知因素，但由于与营养生长之间存在重要的相互作用，因此不能确保会发生花序萌芽。温带落叶乔木苹果（Malus domestica Borkh。）自动开花，花期取决于花期前生长季节中营养生长的各个方面，尽管一般而言，树木的花期方面：环境的影响，与树木的相互作用讨论了营养生长，植物生长调节剂和碳水化合物的作用以及分子生物学的最新进展。

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