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The flush development of evergreen recurrent flushing perennials: an experimental overview with insights into the flowering of olive
Australian Journal of Botany ( IF 1.1 ) Pub Date : 2020-01-01 , DOI: 10.1071/bt19159
Trevor Olesen , Michelle Wirthensohn

Recurrent flushing perennials are those that grow by episodic waves of shoot extension under conditions continuously favourable for growth. Here we review the habit for evergreen perennials. The commencement of a new flush appears to depend on the stimulation of buds by plant growth regulators. The determination of a new flush as vegetative or floral most likely occurs during early shoot development. Cool temperatures are usually florally inductive, but other factors such as periods of water stress before flush commencement, and low crop loads may also enhance induction. There is little evidence for the control of the final size of vegetative shoots, and even less for the size of floral shoots. The time between successive flushes is cyclic and temperature dependent. New work with olive is presented and shows that pruning increases the proportions of vegetative shoots to develop from comparable nodes of pruned and non-pruned branches. It also shows that immature vegetative flushes on olive branches in winter inhibit flowering to some extent, a result previously shown for other evergreen recurrent flushing trees.

中文翻译:

常绿反复潮红多年生植物的潮红发育:对橄榄开花的深入了解的实验概述

反复潮红的多年生植物是那些在持续有利于生长的条件下通过芽延伸的间歇性波浪生长的多年生植物。在这里,我们回顾了常绿多年生植物的习性。新潮的开始似乎取决于植物生长调节剂对芽的刺激。确定新的红花是植物性还是花卉性最有可能发生在早期芽发育期间。凉爽的温度通常对花卉有诱导作用,但其他因素,如冲洗开始前的缺水期和低作物负荷也可能增强诱导作用。几乎没有证据表明控制营养枝条的最终大小,更没有证据表明控制花枝条的大小。连续冲洗之间的时间是循环的并且取决于温度。介绍了橄榄的新工作,并表明修剪增加了从修剪和未修剪树枝的可比较节点发育的营养芽的比例。它还表明,冬季橄榄枝上未成熟的营养红花在一定程度上抑制了开花,这是之前其他常绿轮回红花树的结果。
更新日期:2020-01-01
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