不同比例红蓝光对番茄幼苗生长和光合作用的影响

doi:10.13287/j.1001-9332.201705.010

应用生态学报 ›› 2017, Vol. 28 ›› Issue (5): 1595-1602.doi: 10.13287/j.1001-9332.201705.010

不同比例红蓝光对番茄幼苗生长和光合作用的影响

王丽伟¹, 李岩^2,3,4, 辛国凤², 魏珉^2,3,4, 米庆华^3,5, 杨其长^1*

¹中国农业科学院农业环境与可持续发展研究所, 北京 100081;
²山东农业大学园艺科学与工程学院, 山东泰安 271018;
³农业部黄淮海设施农业工程科学观测实验站, 山东泰安 271018;
⁴山东果蔬优质高效生产协同创新中心, 山东泰安 271018;
⁵山东农业大学发展规划处, 山东泰安 271018

收稿日期:2016-10-25 修回日期:2017-02-15 发布日期:2017-05-18
通讯作者: *E-mail: yangqichang@caas.cn
作者简介:王丽伟, 女, 1977年生, 博士研究生. 主要从事设施农业环境控制研究. E-mail: wangliwei@caas.cn
基金资助:
本文由国家自然科学基金项目(31401921)、山东省自然科学基金项目(ZR2014CQ029)、现代农业产业技术体系专项资金项目(CARS-25)、国家科技支撑计划项目(2014BAD05B03, 2012BAD11B01)、国家公益性行业(农业)科研专项(201303108)和国家重点研发计划项目(2016YFB0302403)资助

Effects of different proportions of red and blue light on the growth and photosynthesis of tomato seedlings

WANG Li-wei¹, LI Yan^2,3,4, XIN Guo-feng², WEI Min^2,3,4, MI Qing-hua^3,5, YANG Qi-chang^1*

¹Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
²College of Horticultural Science and Engineering, Shangdong Agricultural University, Tai’an 271018, Shandong, China;
³Scientific Obser-ving and Experimental Station of Environment Controlled Agricultural Engineering in Huang-Huai-Hai Region, Ministry of Agriculture, Tai’an 271018, Shandong, China;
⁴Shandong Collaborative Innovation Center of Fruit & Vegetable Quality and Efficient Production, Tai’an 271018, Shandong, China;
⁵Development and Planning Department, Shangdong Agricultural University, Tai’an 271018, Shandong, China

Received:2016-10-25 Revised:2017-02-15 Published:2017-05-18
Contact: *E-mail: yangqichang@caas.cn
Supported by:
This work was supported by the National Natural Science Foundation of China (31401921), the Natural Science Foundation of Shandong Province (ZR2014CQ029), the China Agriculture Research System (CARS-25), the National Science & Technology Support Program of China (2014BAD05B03, 2012BAD11B01), the special Fund for Agro-scientific Research in the Public Interest (201303108), and the National Key Research and Development Program of China (2016YFB0302403)

摘要/Abstract

摘要： 为了探索番茄幼苗生长发育对红蓝组合光的响应机制,本试验采用发光二极管(LED)精量调制光源,以番茄品种‘SV0313TG’为试材,设红光(R)、蓝光(B)和红蓝组合光(9R1B、6R1B、3R1B、1R1B、1R3B)7个处理,以白光为对照,研究不同比例红蓝光质对番茄幼苗生长、光合色素含量、光合特性、叶绿素荧光参数及根系活力的影响.结果表明:不同比例红蓝光质处理对番茄幼苗生长的影响具有明显差异.红光显著促进幼苗株高增加,比叶面积增大,胞间CO₂浓度提高,但PSⅡ最大光化学效率(F_v/F_m)、PSⅡ实际光化学效率(Ф_PS_Ⅱ)降低,根系生长受阻,根系活力下降,壮苗指数降低;蓝光下幼苗生长受到明显抑制,叶绿素含量降低,但叶绿素a/b 值升高;红蓝组合光有利于番茄幼苗的生长发育,3R1B处理下植株干物质量、叶绿素含量和光合性能均显著提高,幼苗生长健壮,壮苗指数最大.综上,红蓝组合光能够增加番茄幼苗叶片光合色素含量,提高光合效率,促进植株生长,尤以3R1B处理最佳.

Abstract: In order to explore the mechanism of response of growth and development of tomato seedlings to the combination of red and blue light, the light-emitting-diodes (LEDs) as precision modulation light sources were used in this study with 7 treatments including red (R) light, blue (B) light and combination of R+B light (9R1B, 6R1B, 3R1B, 1R1B, 1R3B), white (W) light as control, and the effects of different proportions of R and B light on the growth, photosynthetic pigment content, photosynthetic characteristics, chlorophyll fluorescence and root activity of tomato seedlings with variety of ‘SV0313TG’ as experiment material were studied. The results showed that there were significant differences in growth of tomato seedlings under treatments of different proportions of R and B light. The plant height, specific leaf area and intercellular CO₂ concentration of tomato seedlings were significantly promoted by R light, while F_v/F_m and Φ_PSⅡ were decreased, the root growth was inhibited as the root activity declined, so that the seedling index was reduced. The seedling growth was significantly suppressed under B light and the chlorophyll content was decreased, while the chlorophyll a/b was enhanced. Furthermore, combination of R+B light was be-neficial to the growth and development of tomato seedlings, and the plant dry mass, chlorophyll content and photosynthetic performance were significantly increased under 3R1B. In addition, seedlings grew strongly and had the highest value of seedling index under this treatment. In conclusion, the combination of R+B light could promote photosynthetic pigment content and photosynthetic efficiency in leaves of tomato seedlings, as well as plant growth, especially for treatment of 3R1B.

王丽伟, 李岩, 辛国凤, 魏珉, 米庆华, 杨其长. 不同比例红蓝光对番茄幼苗生长和光合作用的影响[J]. 应用生态学报, 2017, 28(5): 1595-1602.

WANG Li-wei, LI Yan, XIN Guo-feng, WEI Min, MI Qing-hua, YANG Qi-chang. Effects of different proportions of red and blue light on the growth and photosynthesis of tomato seedlings[J]. Chinese Journal of Applied Ecology, 2017, 28(5): 1595-1602.

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不同比例红蓝光对番茄幼苗生长和光合作用的影响

Effects of different proportions of red and blue light on the growth and photosynthesis of tomato seedlings

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