CHEN Qi,PAN Haoqin,QI Yanfeng,et al.Effects of Different LED Light Supplements on Growth,Yield and Quality of Cucumber in Solar Greenhouse[J].Northern Horticulture,2022,(21):50-57.[doi:10.11937/bfyy.20221493]
不同LED补光对日光温室黄瓜生长、产量及品质的影响
- Title:
- Effects of Different LED Light Supplements on Growth,Yield and Quality of Cucumber in Solar Greenhouse
- Keywords:
- cucumber; LED light quality; supplement; yield; quality
- 文献标志码:
- A
- 摘要:
- 以‘青玉’黄瓜为试材,采用温室栽培的方法,探究了4种光质(全光谱、R∶B=3∶1、R∶B=3∶2和R∶B=3∶3)对黄瓜生长、光合色素和抗氧化酶活性、丙二醛(MDA)含量、果实品质及产量的影响,以期为冬季日光温室黄瓜栽培中补光技术的优化提供参考依据。结果表明:与不补光对照相比,各处理均可增加黄瓜株高、茎粗、叶面积以及叶片数,提高叶片中叶绿素和类胡萝卜素含量及过氧化物酶(POD)和过氧化氢酶(CAT)活性,降低MDA含量,提高黄瓜果实中维生素C、可溶性蛋白质和可溶性糖含量,同时对黄瓜产量亦有提高作用。其中R∶B=3∶3或3∶2可显著促进黄瓜生长,株高增加16.1%和16.8%,茎粗增加4.4%和5.6%,叶片数增加11.0%和12.1%,叶面积增加4.3%和6.2%,且可显著改善黄瓜果实品质和产量,黄瓜维生素C、可溶性糖和可溶性蛋白质含量增加12.3%、25.6%、11.2%和12.3%、34.4%、12.1%,产量提高7.8%和8.8%。综上所述,LED红蓝配比为3∶3或3∶2是日光温室黄瓜种植的有效光质。
- Abstract:
- Taking ‘Qingyu’ cucumber as the test material,method of greenhouse cultivation was used.The effects of four light qualities (full spectrum,R∶B=3∶1,R∶B=3∶2,and R∶B=3∶3) on the cucumber growth,photosynthetic pigment,and antioxidant enzyme activities,malondialdehyde content,fruit quality and yield were studied,in order to provide reference for the optimization of supplementary light technology in winter solar greenhouse cucumber cultivation.The results showed that compared with the control without supplemental light,each treatment could increase the plant height,stem diameter,leaf area,and number of leaves of cucumber,increase the content of chlorophyll and carotenoid,POD and CAT activities in leaves,reduce the content of MDA.The content of vitamin C,soluble protein,soluble sugar in the fruit and yield of cucumber were improved.Among them,R∶B=3∶3 or 3∶2 could significantly promote the growth of cucumber,the plant height increases by 16.1% and 16.8%,the stem diameter increases by 4.4% and 5.6%,the number of leaves increases by 11.0% and 12.1%,and the leaf area increases by 4.3% and 6.2%,and could significantly improve cucumber fruit quality and yield,cucumber vitamin C,soluble sugar,and soluble protein content increased by 12.3%,25.6%,11.2% and 12.3%,34.4%,12.1%,and yield increased by 7.8% and 8.8%.To sum up,LED red and blue ratio of 3∶3 or 3∶2 was the effective light quality for cucumber planting in solar greenhouse.
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备注/Memo
第一作者简介:陈琦(1996-),男,硕士研究生,研究方向为蔬菜栽培生理。E-mail:chihuoxiaochen@163.com.责任作者:潘好芹(1982-),女,博士,教授,现主要从事植物病害综合防治及微生物资源开发利用等研究工作。E-mail:never423@163.com.基金项目:山东省重点研发计划资助项目(公益类)(2019GNC106119);山东省重大科技创新资助项目(2019JZZY010715);山东省高校设施园艺实验室重点资助项目(2018YY012)。收稿日期:2022-04-13