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Computational Experiments of Light Distribution and Photosynthesis in Cucumber (Cucumis sativus L.) Canopy

文献类型: 外文期刊

作者: Qian, Tingting 1 ; Lu, Shenglian 1 ; Zhao, Chunjiang 1 ; Guo, Xinyu 1 ; Wen, Weiliang 1 ;

作者机构: 1.Beijing Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China

关键词: cucumber;canopy;light distribution;photosynthesis

期刊名称:2012 IEEE FOURTH INTERNATIONAL SYMPOSIUM ON PLANT GROWTH MODELING, SIMULATION, VISUALIZATION AND APPLICATIONS (PMA)

ISSN:

年卷期: 2012 年

页码:

收录情况: SCI

摘要: Light distribution in cucumber canopy affects leaf photosynthesis directly. Scientific computing of light distribution and accurate modeling of canopy photosynthesis is beneficial to improve understanding of the canopy structure and provide a quantitative decision basis for optimal planting spacing design. In this paper, three 3D cucumber canopy models were reconstructed in different plantings pacing using measured data. A canopy light distribution calculation model and photosynthesis model were used to calculate light interception and photosynthetic production. Experimental results demonstrated that based on the 3D cucumber canopy models and combining light distribution model, the light distribution in different plantings pacing canopy can be simulated accurately. Leaf photosynthesis calculation based on the result of light distribution modeling provides an efficient approach to investigate the physiology of cucumber, and a favorable support for the decisions for optimal planting spacing design.

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