发光二极管日积累光照量对辣椒、黄瓜和生菜幼苗生长的影响

doi:10.3785/j.issn.1008-9209.2021.07.121

浙江大学学报（农业与生命科学版）

2022, Vol. 48

Issue (2): 141-153 DOI: 10.3785/j.issn.1008-9209.2021.07.121

园艺科学

发光二极管日积累光照量对辣椒、黄瓜和生菜幼苗生长的影响

齐振宇¹(

),胡玉屏²,蔡溧聪²,董桑婕²,喻景权²,周艳虹²(

)

^1.浙江大学农业试验站，杭州 310058
^2.浙江大学农业与生物技术学院园艺系，杭州 310058

Effects of daily light integrals of light emitting diode on the growth of pepper, cucumber and lettuce seedlings

Zhenyu QI¹(

),Yuping HU²,Licong CAI²,Sangjie DONG²,Jingquan YU²,Yanhong ZHOU²(

)

^1.Agricultural Experiment Station, Zhejiang University, Hangzhou 310058, China
^2.Department of Horticulture, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China

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摘要：

以辣椒‘博辣红帅’、黄瓜‘津研4号’、生菜‘巴达维亚’为试验材料，设置160、200、240 μmol/（m²?s）3组不同的光量子通量密度（photosynthetic photon flux density, PPFD）和12、15、18 h/d 3组不同的光周期，共组成8组不同的日积累光照量（daily light integral, DLI）处理进行试验，以研究发光二极管（light emitting diode, LED）的DLI对辣椒、黄瓜和生菜幼苗生长的影响。结果表明：PPFD为160 μmol/（m²?s），光周期为15 h/d［DLI为8.6 mol/（m²?d）］的光照条件最适宜‘博辣红帅’辣椒幼苗的生长；PPFD为200 μmol/（m²?s），光周期为15 h/d［DLI为10.8 mol/（m²?d）］的光照条件最适宜‘津研4号’黄瓜幼苗的生长；PPFD为200 μmol/（m²?s），光周期为18 h/d［DLI为13.0 mol/（m²?d）］的光照条件最适宜‘巴达维亚’生菜幼苗的生长。本研究结果为蔬菜工厂化育苗提供了优化的LED光环境参数。

关键词： 辣椒; 黄瓜; 生菜; 光量子通量密度; 日积累光照量

Abstract:

Taking pepper ‘Bola Hongshuai’, cucumber ‘Jinyan No. 4’ and lettuce ‘Batavia’ as experimental materials, the combinations of three groups of photosynthetic photon flux density (PPFD) [160, 200 and 240 μmol/(m²?s)] and three groups of photoperiod (12, 15, 18 h/d) were set up to form eight groups of different daily light integral (DLI) treatments to study the effects of DLIs of light emitting diode (LED) on the growth of their seedlings. The results showed that the optimal light conditions were PPFD of 160 μmol/(m²?s) with photoperiod of 15 h/d [DLI of 8.6 mol/(m²?d)] for ‘Bola Hongshuai’ pepper seedlings, PPFD of 200 μmol/(m²?s) with photoperiod of 15 h/d [DLI of 10.8 mol/(m²?d)] for ‘Jinyan No. 4’ cucumber seedlings, and PPFD of 200 μmol/(m²?s) with photoperiod of 18 h/d [DLI of 13.0 mol/(m²?d)] for ‘Batavia’ lettuce seedlings. The results provide optimized LED light environment parameters for vegetable seedling production.

Key words: pepper cucumber lettuce photosynthetic photon flux density daily light integral

收稿日期: 2021-07-12 出版日期: 2022-04-29

CLC:

S 62

基金资助: 浙江省重点研发计划(2018C02010);国家现代产业技术体系建设项目(CARS-24-B-01);国家重点研发计划(2019YFD1001900)

通讯作者: 周艳虹 E-mail: qizhenyu@zju.edu.cn;yanhongzhou@zju.edu.cn

作者简介: 齐振宇（https://orcid.org/0000-0002-9518-4476），Tel：+86-571-88981767，E-mail：qizhenyu@zju.edu.cn

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引用本文:

齐振宇,胡玉屏,蔡溧聪,董桑婕,喻景权,周艳虹. 发光二极管日积累光照量对辣椒、黄瓜和生菜幼苗生长的影响[J]. 浙江大学学报（农业与生命科学版）, 2022, 48(2): 141-153.

Zhenyu QI,Yuping HU,Licong CAI,Sangjie DONG,Jingquan YU,Yanhong ZHOU. Effects of daily light integrals of light emitting diode on the growth of pepper, cucumber and lettuce seedlings. Journal of Zhejiang University (Agriculture and Life Sciences), 2022, 48(2): 141-153.

链接本文:

https://www.zjujournals.com/agr/CN/10.3785/j.issn.1008-9209.2021.07.121 或 https://www.zjujournals.com/agr/CN/Y2022/V48/I2/141

图1 种子培育光照相对光谱曲线

表1 不同光量子通量密度和光周期组合设计

表2 不同日积累光照量对辣椒幼苗生物量的影响

图2 不同日积累光照量条件下辣椒幼苗的生长表型

图3 不同日积累光照量对辣椒幼苗净光合速率（A）、气孔导度（B）和蒸腾速率（C）的影响短栅上不同小写字母表示在P＜0.05水平差异有统计学意义，下同。

图4 不同日积累光照量对辣椒幼苗叶绿素a（A）、叶绿素b（B）、叶绿素a＋b（C）和总胡萝卜素（D）含量的影响

表3 不同日积累光照量对黄瓜幼苗生物量的影响

图5 不同日积累光照量条件下黄瓜幼苗的生长表型

图6 不同日积累光照量对黄瓜幼苗净光合速率（A）、气孔导度（B）和蒸腾速率（C）的影响

图7 不同日积累光照量对黄瓜幼苗叶绿素a（A）、叶绿素b（B）、叶绿素a＋b（C）和总胡萝卜素（D）含量的影响

表4 不同日积累光照量对生菜幼苗生物量的影响

图8 不同日积累光照量条件下生菜幼苗的生长表型

图9 不同日积累光照量对生菜幼苗净光合速率（A）、气孔导度（B）和蒸腾速率（C）的影响

图10 不同日积累光照量对生菜幼苗叶绿素a（A）、叶绿素b（B）、叶绿素a＋b（C）和总胡萝卜素（D）含量的影响

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