不同比例的红蓝光对黄瓜幼苗生长及光合特性的影响

doi:10.3969/j.issn.1004-1524.2018.11.10

浙江农业学报 ›› 2018, Vol. 30 ›› Issue (11): 1879-1885.DOI: 10.3969/j.issn.1004-1524.2018.11.10

不同比例的红蓝光对黄瓜幼苗生长及光合特性的影响

王虹, 王颖, 阎君, 朱为民^*

上海市农业科学院园艺研究所,上海市设施园艺技术重点实验室,上海 201403

收稿日期:2018-08-03 出版日期:2018-11-25 发布日期:2018-12-21
通讯作者: 朱为民,E-mail: wmzh69@126.com
作者简介:王虹(1979—),女,吉林吉林人,博士,副研究员,主要从事设施光环境调控研究。E-mail: wanghong@saas.sh.cn
基金资助:
国家科技支撑计划(2014BAD05B05-05);上海市科委项目(16391903000);上海市科技兴农推广项目(沪农科推字〔2017〕第2-1号)

Effect of different combinations of red and blue light on seedling growth and photosynthesis of Cucumis sativus

WANG Hong, WANG Ying, YAN Jun, ZHU Weimin^*

Institute of Horticulture, Shanghai Academy of Agricultural Sciences, Shanghai Key Laboratory of Protected Horticultural Technology, Shanghai 201403, China

Received:2018-08-03 Online:2018-11-25 Published:2018-12-21

摘要/Abstract

摘要： 以黄瓜品种春秋王为材料,以LED为光源,研究了不同比例的红蓝光组合对黄瓜幼苗生长及光合特性的影响。结果显示:除5%蓝光处理外,蓝光比例的增加降低了黄瓜幼苗干质量、鲜质量、叶面积、茎粗及株高等与生长相关的参数,与之相反的是,蓝光比例的增加促进了幼苗叶绿素相对含量的增加;黄瓜幼苗的净光合速率随着处理中蓝光比例的增加呈先上升后下降的变化,气孔导度则随着蓝光比例的增加而增加,此外,rbc L、rbc S及rca等三个基因的相对表达量也随着蓝光比例的增加而上调。其中,10%蓝光处理最有利于黄瓜幼苗的生长。

关键词: 红蓝光, 黄瓜, 生长, 光合特性

Abstract: The objective of the present study was to evaluate morphological and photosynthetic characteristics of cucumber (cv. Chunqiuwang) seedlings under different blue and red ratios of light emitting diodes (LEDs). The results showed that, except 5% blue light treatment, the fresh and dry weight, leaf area, stem diameter and plant height were significantly decreased with the increase of blue light ratio. On the contrary, SPAD value was increased with the increase of blue light ratio. The P_n of cucumber were increased with the increase of blue light ratio until 60% blue light treatment and then decreased. G_s of cucumber were increased with the increase of blue light ratio. Furthermore, the transcriptional levels of rbc L, rbc S and rca were up-regulated by blue light. In conclusion, the optimal blue/red ratio for cucumber growth was 10/90.

Key words: red and blue light, Cucumis sativus, growth, photosynthetic characteristics

中图分类号:

S642.2

王虹, 王颖, 阎君, 朱为民. 不同比例的红蓝光对黄瓜幼苗生长及光合特性的影响[J]. 浙江农业学报, 2018, 30(11): 1879-1885.

WANG Hong, WANG Ying, YAN Jun, ZHU Weimin. Effect of different combinations of red and blue light on seedling growth and photosynthesis of Cucumis sativus[J]. , 2018, 30(11): 1879-1885.

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不同比例的红蓝光对黄瓜幼苗生长及光合特性的影响

Effect of different combinations of red and blue light on seedling growth and photosynthesis of Cucumis sativus

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