GUO Rui,HUA Mingyan,TONG Yana,et al.Study on the Supplemental Lighting in Tomato Based on Characteristics of Photosynthetic Physiological in Different Position of Leaves and Time[J].Northern Horticulture,2018,42(24):70-74.[doi:10.11937/bfyy.20181481]
基于叶位和时段光合特性的番茄补光技术研究
- Title:
- Study on the Supplemental Lighting in Tomato Based on Characteristics of Photosynthetic Physiological in Different Position of Leaves and Time
- Keywords:
- tomato; light absorption; the light compensation point; dark respiration rate; supplemental lighting
- 文献标志码:
- A
- 摘要:
- 以越冬设施番茄为试材，采用叶片全波段光吸收分析和光合生理分析方法，研究番茄补光所需的光质、合理补光部位与合理时段，以期提高番茄工人补光效率。结果表明：补光不会改变番茄光吸收特性和吸收值大小，在红光区的光吸收峰值所对应的波长为666~664 nm，蓝光区的光吸收峰值所对应的波长为434~432 nm。不同部位叶片的2个光吸收峰值达到了显著差别，其中，上部叶片在664 nm光吸收值分别是中、下部叶片的1.51倍和3.23倍，在432 nm光吸收值分别是中、下部叶片的1.96倍和4.35倍。17：00—20：00番茄光合作用的光补偿点和暗呼吸率较低，分别为06：00—09：00的光补偿点和暗呼吸率的33.7%和45.3%。因此，建议番茄人工补光使用666~664 nm红光和434~432 nm蓝光的红蓝补光灯，补光部位以上、中部叶片为主，补光时段为17：00—20：00。
- Abstract:
- Tomato cultivated over-winter in greenhouse was used as tested material,and characteristics of light absorption in different position and photosynthetic physiological in different time were adopted to study light quality,suitable position and suitable time for supplemental lighting to enhance utilization of lighting.The results showed that peak wavelength of light absorption were in 666-664 nm of red light district and in 434-432 nm of the blue light district.The maximum light absorption was appeared in the upper leaves,which was 1.51 times and 3.23 times in 664 nm wavelength,and 1.96 times and 4.35 times in 432 nm wavelength that of the middle and the lower leaves respectively.The light compensation point and dark respiration rate during the 17：00—20：00 in the night were significantly lower than that during the 06：00—09：00 in the morning.So supplemental lighting(666-664 nm red light and 434-432 nm blue light) to upper and middle leaves and during the 17：00—20：00 was recommended.
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备注/Memo
第一作者简介：郭锐（1977-），男，天津人，硕士，助理研究员，现主要从事设施蔬菜栽培技术等研究工作。E-mail：1162925092@qq.com.责任作者：杨小玲（1968-），女，福建三明人，博士，研究员，现主要从事设施蔬菜栽培技术等研究工作。E-mail：1162925092@qq.com.基金项目：天津市蔬菜产业体系创新团队专项资助项目（ITTVRS2017019）；天津市科技计划资助项目（17YFYZCG00020）；天津市农业科学院院长基金资助项目（16011）。收稿日期：2018-06-30