Effect of Supplementary Lights on Strawberry Production in Greenhouse

doi:10.11923/j.issn.2095-4050.cjas19040025

Abstract

Abstract:

During winter and early spring, sunlight deficiency greatly influences the yield and quality of strawberry in Henan Province, mainly resulting from less sunshine weathers such as cloud, rain, snow, fog, haze and so on. In this study, the high pressure sodium lamp and the LED lighting were selected for supplementary light test in a strawberry production base. The effects of different ways of light supplement on vegetative growth, chlorophyll content, yield and fruit sugar content of strawberry were observed. The results showed that the two ways of light supplement had effect on temperature increase in greenhouse, and the effect of high pressure sodium lamp was more obvious. There was no significant effect of the two light sources on strawberry plant height, leaf length and leaf width. Both light sources had significant effect on increasing the chlorophyll content of strawberry plants, which reached extremely significant level compared with the control. The soluble solid content of strawberry was higher than that of the control after light supplement with two light sources, and the effect was more significant with high pressure sodium lamp.

Key words: Greenhouse, Strawberry, Supplementary Light, Chlorophyll Content, Soluble Solid Content, Yield

CLC Number:

S627

Cheng Fangfang, Li Hongwei, Yu Hui, Liu Weibin, Li Hao, Li Rong. Effect of Supplementary Lights on Strawberry Production in Greenhouse[J]. Journal of Agriculture, 2021, 11(1): 80-84.

Figures/Tables 8

References 25

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日期	天气现象	室外	12号棚LED	13号棚高压钠灯	14号棚对照
2018年1月4日21:00	雪	-6.7	6.7	8.3	4.5
2018年1月5日02:00	雪	-7.9	5.5	8.0	3.5

日期	天气现象	室外	12号棚LED	13号棚高压钠灯	14号棚对照
2018年1月4日21:00	雪	-6.7	6.7	8.3	4.5
2018年1月5日02:00	雪	-7.9	5.5	8.0	3.5

补光天数	株高			叶片长			叶片宽
补光天数	12号棚LED	13号棚高压钠灯	14号对照棚	12号棚LED	13号棚高压钠灯	14号对照棚	12号棚LED	13号棚高压钠灯	14号对照棚
0 d	15.2	12.8	13.1	6.2	5.8	5.8	5.9	5.7	5.7
21 d	12.0	11.7	12.9	6.3	6.1	6.2	6.1	5.9	6.1
42 d	9.3	9.7	10.9	6.3	6.2	6.2	5.9	6.1	6.0

补光天数	株高			叶片长			叶片宽
补光天数	12号棚LED	13号棚高压钠灯	14号对照棚	12号棚LED	13号棚高压钠灯	14号对照棚	12号棚LED	13号棚高压钠灯	14号对照棚
0 d	15.2	12.8	13.1	6.2	5.8	5.8	5.9	5.7	5.7
21 d	12.0	11.7	12.9	6.3	6.1	6.2	6.1	5.9	6.1
42 d	9.3	9.7	10.9	6.3	6.2	6.2	5.9	6.1	6.0

补光天数	12号棚LED	13号棚高压钠灯	14号对照棚
0 d	50.7	51.4	49.2
21 d	50.3^**	50.0^**	46.9
42 d	49.1	48.7	47.1