Effect of Substrate Heating on Tomato Growth and Quality in Solar Greenhouse in Winter

YUAN Ding; WU Zhan-hui; JI Yan-hai; LIU Ming-chi; WANG Li-ping; TONG Jing; LIANG Hao

China Vegetables ›› 2019, Vol. 1 ›› Issue (10): 39-43.

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Effect of Substrate Heating on Tomato Growth and Quality in Solar Greenhouse in Winter

YUAN Ding^1，3，WU Zhan-hui^1，2，JI Yan-hai^1，2，LIU Ming-chi^1，2，WANG Li-ping³，TONG Jing^1，2，LIANG Hao^1，2*

¹Vegetable Research Center，Beijing Academy of Agricultural and Forestry Sciences，Beijing 100097，China；²Key Laboratory of Urban Agriculture of North China，Ministry of Agriculture and Rural Affairs，Beijing 100097，China；³College of Landscape and Ecological Engineering，Hebei University of Engineering，Handan 056000，Hebei，China

Received:2019-08-12 Revised:2019-09-16 Online:2019-11-05 Published:2019-10-01

日光温室冬季基质加温效果及对番茄生长和品质的影响

袁丁^1，3，武占会^1，2，季延海^1，2，刘明池^1，2，王丽萍³，佟静^1，2，梁浩^1，2*

¹北京市农林科学院蔬菜研究中心，北京100097；²农业农村部华北都市农业重点实验室，北京100097；³ 河北工程大学园林与生态工程学院，河北邯郸 056038

通讯作者: 梁浩，男，博士，助理研究员，专业方向：农业生物环境调控，E-mail：Lianghao@nercv.org
作者简介:袁丁，男，硕士研究生，专业方向：设施园艺与无土栽培，E-mail：443883543@qq.com
基金资助:
北京市农林科学院科技创新能力专项（KJCX10070414），北京市科技计划项目（D171100002017002）

Abstract

Abstract:

The root system was directly heated by electric heating line．The substrate heating temperature was set at 22，28，34 ℃．The paper studied the root temperature field distribution under different temperature and its effect on growth and quality of tomato cultivated in soilless condition．The results showed that using coconut bran as substrate，setting up different heating temperatures could increase the average temperature in central substrate to 22.4，29.8，35.2 ℃ at night．Compared with the contrast without heating，heating to 22 ℃ and 28 ℃ could significantly increase the yield of single tomato plant，plant height，stem diameter，number of leaves，fresh/dry weight of root stem，VC，soluble sugar，soluble solid matter，soluble protein，titratable acid，etc. quality indexes．The energy consumption of single tomato plant treated at 22 ℃ was 11.33 kWh，which was significantly lower than 14.86 kWh treated at 28 ℃．

Key words: Solar greenhouse, Root restriction cultivation, Root system heating, Overwinter tomato production, Energy consumption for heating

摘要：

采用控温电伴热加热系统对根系直接进行加温，设置基质加热温度分别为22、28、34 ℃，研究不同加热温度下根系温度场的分布以及对无土栽培番茄生长和品质的影响。结果表明，当使用椰糠作基质时，22、28、34 ℃的加热温度可在夜间使基质内中心位置平均温度分别提高到22.4、29.8、35.2 ℃；与不加温对照相比，22 ℃和28 ℃加温处理能显著提高番茄单株产量，株高、茎粗、叶片数、根系干质量和鲜质量以及可溶性糖、可溶性固形物、可溶性蛋白、可滴定酸等品质指标显著提高；22 ℃加温处理中番茄植株的单株能耗为11.33 kWh，明显低于28 ℃处理的14.86 kWh，节能效果最优。

关键词: 日光温室, 限根栽培, 根系加热, 番茄越冬生产, 加温能耗

YUAN Ding，WU Zhan-hui，JI Yan-hai，LIU Ming-chi，WANG Li-ping，TONG Jing，LIANG Hao. Effect of Substrate Heating on Tomato Growth and Quality in Solar Greenhouse in Winter[J]. China Vegetables, 2019, 1(10): 39-43.

袁丁，武占会，季延海，刘明池，王丽萍，佟静，梁浩. 日光温室冬季基质加温效果及对番茄生长和品质的影响[J]. 中国蔬菜, 2019, 1(10): 39-43.

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Effect of Substrate Heating on Tomato Growth and Quality in Solar Greenhouse in Winter

日光温室冬季基质加温效果及对番茄生长和品质的影响

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