刘家源;贺一鸣;刘文科;陈艳琦;王奇;
LIU Jiayuan;HE Yiming;LIU Wenke;CHEN Yanqi;WANG Qi;Key Laboratory of Energy Conservation and Waste Management of Agricultural Structures, Ministry of Agriculture and Rural Affairs;Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences;Tangshan Agricultural Characteristic Industry Technical Guidance Station;

• 1:中国农业科学院农业环境与可持续发展研究所农业农村部设施农业节能与废弃物处理重点实验室
• 2:唐山市农业特色产业技术指导站

摘要(Abstract)：

在环境可控的人工光植物工厂内，以红蓝LED为光源，在红蓝比4∶1、光周期16/8 h的条件下，对“紫玉”和“金冠”两种洋葱(Allium cepa L.)进行光强分别为100、200、300、400和500μmol·m^(-2)·s(-2)·s^(-1)的光照处理，研究了光强对两种洋葱生长发育的影响及品种间差异。结果表明：产量方面，随LED红蓝光光强增加，两种洋葱的地上部鲜干重和鳞茎鲜干重增加；形态方面，随光强增加两种洋葱地上部茎粗、鳞茎直径、鳞茎高度和鳞茎体积均呈递增趋势，地上部株高呈先增后减趋势。综上所述，LED红蓝光能显著提高两种洋葱的产量和鳞茎的体积，但光强超过400μmol·m(-1)的光照处理，研究了光强对两种洋葱生长发育的影响及品种间差异。结果表明：产量方面，随LED红蓝光光强增加，两种洋葱的地上部鲜干重和鳞茎鲜干重增加；形态方面，随光强增加两种洋葱地上部茎粗、鳞茎直径、鳞茎高度和鳞茎体积均呈递增趋势，地上部株高呈先增后减趋势。综上所述，LED红蓝光能显著提高两种洋葱的产量和鳞茎的体积，但光强超过400μmol·m^(-2)·s(-2)·s^(-1)会抑制洋葱地上部生长。光强为300μmol·m(-1)会抑制洋葱地上部生长。光强为300μmol·m^(-2)·s(-2)·s^(-1)时，“紫玉”洋葱长势较好且能源利用率较高；光强为500μmol·m(-1)时，“紫玉”洋葱长势较好且能源利用率较高；光强为500μmol·m^(-2)·s(-2)·s^(-1)时，更适合“金冠”洋葱的生长。
In environmentally-controlled plant factory with red-blue LED as the light source, under the conditions of red to blue ratio 4∶1 and photoperiod 16/8 h, two varieties of onions(Allium cepa L.) “Ziyu” and “Jinguan”, were subjected to light treatments with light intensities of 100, 200, 300, 400 and 500 μmol·m(-1)时，更适合“金冠”洋葱的生长。
In environmentally-controlled plant factory with red-blue LED as the light source, under the conditions of red to blue ratio 4∶1 and photoperiod 16/8 h, two varieties of onions(Allium cepa L.) “Ziyu” and “Jinguan”, were subjected to light treatments with light intensities of 100, 200, 300, 400 and 500 μmol·m^(-2)·s(-2)·s^(-1), respectively. The effect of light intensity on the growth and development of two varieties of onions and the differences between varieties were investigated. The results showed that the fresh and dry weight of shoot and bulb of both onions increased with the increase of LED red-blue light intensity. The shoot stem thickness, bulb diameter, bulb height and bulb volume of both onions tended to increase with increasing light intensity, while the shoot plant height tended to increase first and then decrease. In summary, LED red-blue light significantly increased the yield of both onions and significantly enhanced the bulb size, but light intensities above 400 μmol·m(-1), respectively. The effect of light intensity on the growth and development of two varieties of onions and the differences between varieties were investigated. The results showed that the fresh and dry weight of shoot and bulb of both onions increased with the increase of LED red-blue light intensity. The shoot stem thickness, bulb diameter, bulb height and bulb volume of both onions tended to increase with increasing light intensity, while the shoot plant height tended to increase first and then decrease. In summary, LED red-blue light significantly increased the yield of both onions and significantly enhanced the bulb size, but light intensities above 400 μmol·m^(-2)·s(-2)·s^(-1) inhibited shoot growth. At 300 μmol·m(-1) inhibited shoot growth. At 300 μmol·m^(-2)·s(-2)·s^(-1) light intensity, “Ziyu” onions grow better and have higher energy efficiency, while 500 μmol·m(-1) light intensity, “Ziyu” onions grow better and have higher energy efficiency, while 500 μmol·m^(-2)·s(-2)·s^(-1) light intensity is more suitable for “Jinguan” onions.

关键词(KeyWords)： 洋葱;光强;LED;红蓝光;人工光植物工厂
onion;light intensity;LED;red and blue light;plant factory with artificial light

Abstract:

Keywords:

基金项目(Foundation): 河北省现代农业产业技术体系设施蔬菜产业创新团队项目(HBCT2021030411)

作者(Authors): 刘家源;贺一鸣;刘文科;陈艳琦;王奇;
LIU Jiayuan;HE Yiming;LIU Wenke;CHEN Yanqi;WANG Qi;Key Laboratory of Energy Conservation and Waste Management of Agricultural Structures, Ministry of Agriculture and Rural Affairs;Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences;Tangshan Agricultural Characteristic Industry Technical Guidance Station;

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