Influence of Continuous Illumination on Growth and Secondary Metabolism of Pakchoi (Brassica campestris)
文献类型： 外文期刊
作者： Fan, Xiaoxue 1 ; Yang, Yana 1 ; Zhang, Yu 1 ; Li, Xiaopeng 1 ; Xue, Feng 1 ; Gao, Wenrui 1 ; Sun, Yanjun 1 ; Li, Decui 1 ; S 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Vegetable, Nanjing 210014, Jiangsu, Peoples R China
关键词： Continuous light; Growth; Light quality; Pakchoi; Phenolics
期刊名称：INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY （ 影响因子：0.822； 五年影响因子：0.906 ）
ISSN： 1560-8530
年卷期： 2019 年 22 卷 2 期
页码：
收录情况： SCI
摘要： Changes in the light quality alter the growth and metabolic responses of plants, although studies are limited on these lines. Using white light (CK and CLW), red (R), blue (B), combined far-red (RB+FR) and red combined blue (RB) light-emitting diodes (LEDs), we investigated the effect of different light qualities on growth and phytochemicals of pakchoi (Brassica campestris L.). After 24 h, the flavonoid and phenolic compounds content under CLW, RB and RB+FR treatment significantly increased compared to white light. With added FR light, the dry mass and leaf area increased by 67 and 94% as compared to white light. The study demonstrated that continuous light combines different light quality treatment could be used to improve growth and nutrition of pakchoi. (C) 2019 Friends Science Publishers
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