[1]于鹏澎,宋金修,蔡玮,等.夜间LED补光光照度和补光时间对番茄种苗质量的影响[J].江苏农业学报,2023,(09):1917-1926.[doi:doi:10.3969/j.issn.1000-4440.2023.09.014]
　YU Peng-peng,SONG Jin-xiu,CAI Wei,et al.Effects of LED supplementary light intensity and supplementary light time at night on seedling quality of tomato in the controlled environment[J].,2023,(09):1917-1926.[doi:doi:10.3969/j.issn.1000-4440.2023.09.014]
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夜间LED补光光照度和补光时间对番茄种苗质量的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2023年09期
页码:
1917-1926
栏目:
园艺
出版日期:
2023-12-31

文章信息/Info

Title:
Effects of LED supplementary light intensity and supplementary light time at night on seedling quality of tomato in the controlled environment
作者:
于鹏澎1; 2; 3; 宋金修1; 2; 蔡玮2; 李闫祥2; 范玉龙2; 沈朝萍4; 曲开军5; 毛罕平1; 2
(1.江苏大学现代农业装备与技术教育部重点实验室,江苏镇江212013；2.江苏大学农业工程学院,江苏镇江212013；3.安徽省林下作物智能装备工程研究中心,安徽六安237012；4.江苏航空职业技术学院航空工程学院,江苏镇江212134；5.句容市农业资源开发科技服务中心,江苏句容212400)
Author(s):
YU Peng-peng1; 2; 3; SONG Jin-xiu1; 2; CAI Wei2; LI Yan-xiang2; FAN Yu-long2; SHEN Chao-ping4; QU Kai-jun5; MAO Han-ping1; 2
(1.Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, Jiangsu University, Zhenjiang 212013, China;2.College of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China;3.Anhui Undergrowth Crop Intelligent Equipment Engineering Research Center, Lu’an 237012, China;4.Institute of Aviation Engineering, Jiangsu Aviation Technical College, Zhenjiang 212134, China;5.Science and Technology Service Center of Agricultural Resources Development of Jurong, Jurong 212400, China)
关键词:
番茄; 工厂化育苗; 补光; 光能利用效率; 壮苗指数
Keywords:
tomato; factory seedling; supplementary light; light use efficiency; healthy index
分类号:
S641.2
DOI:
doi:10.3969/j.issn.1000-4440.2023.09.014
文献标志码:
A
摘要:
本研究以番茄(Solanum lycopersicum L.)为试验材料,以夜间未进行补光为对照,分析了夜间发光二极管(Light emitting diode,LED)补光光照度
[100 μmol/(m2·s)、200 μmol/(m2·s)、300 μmol/(m2·s)]和补光时间(1 h和2 h)对穴盘番茄幼苗质量的影响。结果表明,补光时间相同条件下,随着补光光照度的增加,番茄幼苗的株高和地下部干质量逐渐增加,但叶片总叶绿素含量和PSⅡ最大光化学效率(Fv/Fm)无显著变化。相同补光时间下,补光光照度为200 μmol/(m2·s)处理与补光光照度为300 μmol/(m2·s)处理之间的番茄幼苗叶片SPAD值、地上部干质量、地下部干质量均没有显著差异。补光光照度为200 μmol/(m2·s)时,延长补光时间可以提高番茄幼苗的茎粗、叶片数、叶面积、总叶绿素含量、SPAD值、净光合速率、生物质积累量和壮苗指数。补光光照度为200 μmol/(m2·s)、补光时间为2 h处理的番茄育苗电能利用效率和光能利用效率最高,分别达到0.267和0.145。因此,根据番茄幼苗质量和育苗能耗量分析结果,建议选择补光光照度为200 μmol/(m2·s)、补光时间为2 h的LED补光参数进行番茄育苗期间的夜间补光。
Abstract:
Tomato (Solanum lycopersicum L.) was used as the experimental material, and no supplementary light at night was used as the control. The effects of light emitting diode (LED) supplementary light at night with the light intensity of 100 μmol/(m2·s), 200 μmol/(m2·s), 300 μmol/(m2·s), and the light time of 1 h, 2 h on the seedling quality were analyzed in this study. The results showed that the plant height and underground dry weight of tomato seedlings increased gradually with the increase of supplementary light intensity under the same light supplementary time, but the total chlorophyll content and the maximum photochemical efficiency of PSII (Fv/Fm) of leaves did not change significantly. Under the same supplemental light time, there was no significant difference in SPAD value, dry weight of aboveground and underground parts of tomato seedlings between 200 μmol/(m2·s) and 300μmol/(m2·s) supplemental light intensity treatments. When the supplemental light intensity was 200 μmol/(m2·s), the stem diameter, leaf number, leaf area, total chlorophyll content, SPAD value, net photosynthetic rate, biomass accumulation and healthy index of tomato seedlings could be increased by prolonging the supplemental light time. At the same time, the energy use efficiency and light use efficiency of tomato seedlings were the highest when the light intensity was 200 μmol/(m2·s) and the light time was two hours, which reached 0.267 and 0.145, respectively. Therefore, considering the seedling quality and energy consumption of tomato seedlings in the controlled environment, it was recommended to apply a LED lighting with the light intensity of 200 μmol/(m2·s) and the light time of two hours for supplementary light at night during tomato seedling period.

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备注/Memo

备注/Memo:
收稿日期:2023-09-26基金项目:江苏省博士后科研资助计划项目(2020Z308)；现代农业装备与技术教育部重点实验室开放基金项目(JNZ201909)；安徽省林下作物智能装备工程研究中心科研项目(AUCIEERC-2022-07)作者简介:于鹏澎(1988-),男,安徽宿州人,硕士,工程师,主要从事植物工厂节能技术研究。(E-mail)yupp@ujs.edu.cn通讯作者:宋金修,(E-mail) songjx@ujs.edu.cn
更新日期/Last Update: 2024-01-15