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首页> 外文期刊>Acta Horticulturae >Effects of light quality during supplemental lighting on the flowering in an everbearing strawberry
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Effects of light quality during supplemental lighting on the flowering in an everbearing strawberry

机译：轻质照明在珠宝草莓中的补充照明过程中的影响

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摘要

The aim of this study is to examine the effect of the light quality of supplemental lighting during the night on the flowering and fruiting in an everbearing strawberry. Each plant of the everbearing strawberry [Fragaria x ananassa Duchesne 'Pechka')was transplanted into a 15-cm plastic pot in February 2016. The LED lamps were installed over the bench in a greenhouse kept by the minimum temperature 16°C, and night supplemental lighting was provided just after the transplantation. Lighting time wasset to 16 h from 16:00 to 08:00, and PPFD was set to 80 umol m2 s1 at the top of the plant. Three monochromatic lights were irradiated with blue, green, and red LED lamps which have a peak wavelength of 470, 530, and 640 nm, respectively. Plants under the blue LED produced the largest number of flower clusters whereas the plants under the red LED produced the fewest. The total weight of flower clusters including developed fruits plant1 under the blue LED reached two times more than under the red LED inJune 2016 because the blue light promoted the flowering and fruiting of each floret. There are some reports that show that the exogenous gibberellic acid (GA) stimulates runner formation and inhibits flowering. Moreover, cytokinin (CK) induces floweringin several plant species. According to our results, it is possible that the endogenous GA level is lowered and endogenous CK level is raised under blue LED light.
机译：本研究的目的是审查夜间在恒大的草莓中夜间补充灯光的轻质质量的影响。珠宝草莓的每株植物[Fragaria x ananassa duchesne'pechka'）于2016年2月移植到一个15厘米的塑料罐中。LED灯安装在长凳上，保持在最低温度16°C和夜晚在移植后立即提供补充照明。照明时间WASSET从16:00到08:00到16小时，并且PPFD在工厂顶部设置为80 umol M2 S1。用蓝色，绿色和红色LED灯照射三个单色光，分别具有470,530和640nm的峰值波长。蓝色LED下的植物产生了最多的花卉簇，而红色LED下的植物产生了最少的。花卉簇的总重量包括在蓝色LED下的发达的水果厂1达到2016年红色LED禁令下的两倍，因为蓝光促进了每个小花的开花和结果。有一些报道表明外源性胶酸（GA）刺激了流道形成并抑制开花。此外，Cytokinin（CK）诱导花敏素几种植物物种。根据我们的结果，可以在蓝色LED光下降低内源GA水平，内源性CK水平升高。

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