Effects of different light intensity on the growth of tomato seedlings in a plant factory
文献类型： 外文期刊
作者： Zheng, Yifeng 1 ; Zou, Jun 1 ; Lin, Senmao 2 ; Jin, Chengcui 2 ; Shi, Mingming 1 ; Yang, Bobo 1 ; Yang, Yifan 1 ; Jin, Dezhi 1 ; Li, Rongguang 1 ; Li, Yuefeng 1 ; Wen, Xing 3 ; Yang, Shaojun 4 ; Ding, Xiaotao 5 ;
作者机构： 1.Shanghai Inst Technol, Sch Sci, Shanghai 201418, Peoples R China
2.Tianchang Fuan Elect Co Ltd, Tianchang 239300, Peoples R China
3.Shanghai Sansi Elect Engn Co Ltd, Shanghai 201100, Peoples R China
4.Shanghai Youyou Agr Technol Co Ltd, Shanghai 202150, Peoples R China
5.Shanghai Acad Agr Sci, Shanghai 201403, Peoples R China
期刊名称：PLOS ONE （ 影响因子：3.7； 五年影响因子：3.8 ）
ISSN： 1932-6203
年卷期： 2023 年 18 卷 11 期
页码：
收录情况： SCI
摘要： Light-emitting diodes (LEDs) were the best artificial light source for plant factories. Red light-emitting diodes (LEDs, R) and blue light-emitting diodes (LEDs, B) were used to obtain different light intensities of uniform spectra, and the greenhouse environment was considered as a comparison. The results showed that root dry weight, shoot dry weight and stem diameter were superior in plant growth under 240 mu molm-2s-1, additionally, the Dixon Quality Index (DQI) was also best. Under 240 mu molm-2s-1, the net photosynthesis rate (Pn) was consistent with the greenhouse's treatment, superior to other experimental groups. The results implied that the PPFD was more suitable for the cultivation of tomato seedlings under the condition of 240 mu molm-2s-1, and can replace the greenhouse conditions so as to save energy and reduce emissions.
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