Computational experiments of light distribution and photosynthesis in cucumber (Cucumis sativus L.) canopy

2012 IEEE 4th International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications Pub Date : 2012-10-01 DOI:10.1109/PMA.2012.6524864

Tingting Qian, Shenglian Lu, Chunjiang Zhao, Xinyu Guo, Weiliang Wen

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引用次数: 0

Abstract

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 planting spacing 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 planting spacing 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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黄瓜(Cucumis sativus L.)冠层光分布与光合作用的计算试验

黄瓜冠层的光分布直接影响叶片的光合作用。科学的光分布计算和准确的冠层光合作用建模有助于提高对冠层结构的认识，为优化种植间距设计提供定量决策依据。利用实测数据，重建了不同种植间距下黄瓜3个三维冠层模型。利用冠层配光计算模型和光合作用计算模型计算截光量和光合产量。实验结果表明，基于三维黄瓜冠层模型，结合光照分布模型，可以准确模拟不同种植间距冠层的光照分布。基于光分布模拟结果的叶片光合作用计算为研究黄瓜生理特性提供了一种有效的方法，并为最优种植间距设计决策提供了有利的支持。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2012 IEEE 4th International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications

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