Effects of LED light on the production of strawberry during cultivation in a plastic greenhouse and in a growth chamber
Effects of LED light on the production of strawberry during cultivation in a plastic greenhouse and in a growth chamber
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DOI：
10.1016/j.scienta.2015.03.022
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发表时间：
2015-06-25
影响因子：
4.3
通讯作者：
Kang, Nam Jun
中科院分区：
文献类型：
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作者：
Choi, Hyo Gil;Moon, Byoung Yong;Kang, Nam Jun
本研究的目的是调查生产的植物化学物质，决定果实品质，并评估成熟的草莓植物生长特性，在三个不同波长（蓝色，红色和蓝色+红色）的LED光栽培。在两个单独的位置进行培养，即用LED灯作为唯一光源照射的生长室（GC）和除了环境光之外还给予补充LED光的塑料温室（PG）。值得注意的是，在GC中培养的植物的叶片在LED灯下显示出升高的叶绿素水平相比，在PG中培养的那些。相反，在PG中培养的植物与补充LED灯产生更高的产量的水果比在GC中培养的那些。此外，在PG收获的水果被证明含有更高水平的有机酸比那些在GC收获。当检查不同LED光的效果时，当环境光补充有蓝色LED光或组合的蓝色和红色LED光时，在PG中实现了显著更高的果实产量。此外，还注意到，当环境光补充有红色LED光或组合的蓝色和红色LED光时，在PG中栽培的果实中观察到有机酸和植物化学物质（如酚类化合物）的更大积累。(C)2015爱思唯尔B.V.保留所有权利。
This study was aimed at investigating the production of phytochemicals that determine fruit quality, and evaluating growth characteristics of mature strawberry plants during cultivation under three different wavelengths (blue, red and blue plus red) of LED light. Cultivation was conducted in two separate locations, namely, a growth chamber (GC) illuminated with LED lights as the sole light source and a plastic greenhouse (PG) which was given supplemental LED light in addition to ambient light. It was noted that leaves of plants cultivated in the GC under LED lights displayed elevated levels of chlorophyll compared with those cultivated in the PG. In contrast, plants cultivated in the PG with supplementary LED lights yielded much higher production of fruits than those cultivated in the GC. Moreover, fruits harvested in the PG were demonstrated to contain higher levels of organic acids than those harvested in the GC. When the effects of different LED lights were examined, a remarkably higher production of fruits was achieved in the PG when ambient light was supplemented with either blue LED light or combined blue and red LED light. Furthermore, it was also noted that greater accumulation of organic acids and phytochemicals such as phenolic compounds were observed in the fruits that had been cultivated in the PG when ambient light was supplemented with either red LED light or combined blue and red LED lights. (C) 2015 Elsevier B.V. All rights reserved.