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闫妍,于贤昌,廉世勋,李衍素,贺超兴,孙天智,王晓斌,刘宏,王惠军.宽谱带转光棚膜力学与光学特性及提高番茄产量和品质[J].农业工程学报,2018,34(13):255-262.DOI:10.11975/j.issn.1002-6819.2018.13.031
宽谱带转光棚膜力学与光学特性及提高番茄产量和品质
投稿时间:2018-01-16  修订日期:2018-05-30
中文关键词:  光照  叶绿素  力学特性  转光膜  光学特性  番茄  日光温室  产量
基金项目:国家重点研发计划(2016YFB0302404, 2016YFB0302403);国家重点研发计划项目(2016YFD0201006);国家现代农业产业技术体系建设专项(CARS-25-C-01);中国农业科学院科技创新工程项目(CAAS-ASTIP-IVFCAAS)和农业部园艺作物生物学与种质创制重点实验室项目联合资助。
作者单位
闫妍 1. 中国农业科学院蔬菜花卉研究所北京 100081
 
于贤昌 1. 中国农业科学院蔬菜花卉研究所北京 100081
 
廉世勋 2. 湖南师范大学化学化工学院长沙 410081
 
李衍素 1. 中国农业科学院蔬菜花卉研究所北京 100081
 
贺超兴 1. 中国农业科学院蔬菜花卉研究所北京 100081
 
孙天智 3. 山东天鹤塑胶股份有限公司淄博 255400
 
王晓斌 4. 石嘴山市种子管理站石嘴山 753000
 
刘宏 4. 石嘴山市种子管理站石嘴山 753000
 
王惠军 4. 石嘴山市种子管理站石嘴山 753000
 
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中文摘要:为探索添加VTR-660转光剂后涂覆型棚膜的力学特性、光学特性及日光温室覆盖该转光膜对番茄产量和果实品质的影响。该研究采用了荧光光度计、红外光谱仪和双光束紫外可见光分光光度计对试样棚膜"传统内添加EVA消雾无滴棚膜"(F1,对照)、"涂覆型持久流滴耐老化消雾无滴棚膜"(F2)和"添加了VTR-660转光剂后涂覆型宽谱带紫外转红棚膜"(F3)的光学特性进行分析;参照国家标准测定了试样棚膜的力学特性(厚度、拉伸强度、断裂伸长率和直角撕裂强度);并对覆盖不同试样棚膜日光温室内的温光环境(光照强度、气温和地温)、番茄的生理和产量指标进行了测试。结果显示:与F1相比,F3纵向的拉伸强度和直角撕裂强度分别显著提高了30.72%和7.20%(P<0.05);在4 000~1 430,1 430~770和770~400 cm-1 3个波段下的红外线透过率积分面积分别显著提高13.69%,61.78%和41.83%(P<0.05);紫外吸光度显著降低了49.21%(P<0.05);覆盖宽谱带紫转红棚膜日光温室(T3)番茄每公顷产量比覆盖传统内添加型EVA消雾无滴膜(T1)显著提高了25.71%(P<0.05),果实维生素C和番茄红素含量分别显著提高了11.11%和33.04%(P<0.05)。由此可知,添加VTR-660转光剂的宽谱带紫转红棚膜显著提高了红外线透过率,改善了日光温室内的温光环境,提高了番茄产量并改善了果实品质。
Yan Yan,Yu Xianchang,Lian Shixun,Li Yansu,He Chaoxing,Sun Tianzhi,Wang Xiaobin,Liu Hong,Wang Huijun.Mechanical and optical properties of broadband UV-to-red conversion plastic films and its improving effect on tomato yield and quality[J].Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE),2018,34(13):255-262.DOI:10.11975/j.issn.1002-6819.2018.13.031
Mechanical and optical properties of broadband UV-to-red conversion plastic films and its improving effect on tomato yield and quality
Author NameAffiliation
Yan Yan 1. Institute of Vegetables and Flowers , Beijing 100081, China
 
Yu Xianchang 1. Institute of Vegetables and Flowers , Beijing 100081, China
 
Lian Shixun 2. College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
 
Li Yansu 1. Institute of Vegetables and Flowers , Beijing 100081, China
 
He Chaoxing 1. Institute of Vegetables and Flowers , Beijing 100081, China
 
Sun Tianzhi 3. Shandongtianhe Plastic Inc., Shandong 255400, China
 
Wang Xiaobin 4. Seed Control Station of Shizuishan City, Shizuishan 753000, China
 
Liu Hong 4. Seed Control Station of Shizuishan City, Shizuishan 753000, China
 
Wang Huijun 4. Seed Control Station of Shizuishan City, Shizuishan 753000, China
 
Key words:lights  chlorophyll  mechanical property  light conversion film  optical property  tomato  solar greenhouse  yield
Abstract:The light conversion agent VTR-660 has many benefit characteristics. For example, its band coverage area is larger and it has a higher match between the emission spectrum of high red light and the chlorophyll absorption spectrum compared with other light conversion agents. And broadband ultraviolet-to-red light conversion plastic film added with VTR-660 (F3) has similar characteristics such as a higher match between the emission spectrum of high red light and the chlorophyll absorption spectrum. Moreover, the bandwidth of its emission spectrum is increased in high red light, and it has a higher rate of infrared transmission and a lower rate of ultraviolet transmission than the traditional inner-added EVA (polyethylene-polyvinyl acetate copolymer) anti-fog film (F1) and coated persistent drip anti-aging anti-fog film (F2). Moreover, the broadband ultraviolet-to-red light conversion plastic film can improve the temperature and light environment in the greenhouse, increase the yield per hectare and improve the quality of the tomato crop. In this work, the optical properties and the mechanical characteristics and heat preservation properties of the broadband ultraviolet-to-red light conversion plastic film added with VTR-660 were studied. The effect of the broadband ultraviolet-to-red light conversion plastic film on the yield and quality of tomato in the solar greenhouse was also investigated. The experiment in the greenhouse was conducted from November, 2016 to June, 2017 at the Agriculture Research and Demonstration Station, Shizuishan Village, Yinchuan County, Ningxia. The tomato cultivar (Meifen 869) and full steel frame unsupported winter-warm solar greenhouse (length of 90 m, inner span of 9 m, ridge height of 4 m) were selected as the test cultivar and greenhouse type, respectively. The treatments included solar greenhouse covered with traditional inner-added EVA anti-fog film as control (T1), solar greenhouse covered with coated persistent drip anti-aging anti-fog film (T2) and solar greenhouse covered with broadband ultraviolet-to-red light conversion plastic film added with VTR-660 (T3). The mechanical properties of the laminate (tensile, longitudinal/transverse elongating, and right-angle tearing strength), the transmittance of ultraviolet, visible and infrared light of the laminate, the temperature (average air temperature for day and month and 10-cm deep soil temperature), and the light intensity were measured in the solar greenhouse, and the yield and quality of tomato were considered under the different sample films and treatments. In comparison with F1, the tensile strength and right-angle tearing strength (vertical) of F3 were significantly (P<0.05) increased by 30.72% and 7.20%, respectively; the ultraviolet transmittance rate of F3 was significantly (P<0.05) decreased by 49.21%, and the infrared transmittance rates of the 4000-1430, 1430-770 and 770-400 cm-1 bands of F3 were significantly (P<0.05) increased by 13.69%, 61.78% and 41.83%, respectively. In comparison with T1, the tomato yield of T3 was significantly (P<0.05) increased by 25.71% and the vitamin C and lycopene of the fruit were increased by 11.11% and 33.04%, respectively. The nitrite content of tomato under T3 treatment was significantly (P<0.05) decreased by 51.35%. Overall, the broadband ultraviolet-to-red light conversion plastic film added with VTR-660 was found to improve the rate of infrared transmission, and covering this film could improve the temperature, and increase tomato yield and fruit quality in the solar greenhouse. The research can provide an important theoretical basis for the development of light conversion plastic film in the production of tomato in the future.
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