Photosynthetic Light-response Model of Cucumber in Greenhouse

摘要：

Net photosynthetic rates (pn) of cucumber leaf under different irradiance measued by Li-6400 Portable Photosynthesis System indicated that the light-response curve of photosynthesis was nonlinear in irradiances from 0 to 2000 umolm-2s-1. A new light-response model of photosynthesis,named fraction model (FM), was established according to the measured data. The results of both confirmation and testing are all satisfactory. Among FM, non-rectangular model (NRH) and quadratic multinomial model (QMM), FM was the best of the maximal photosynthesis rate (Pn max),light-compensation point (LCP) and dark respiration rate (DRR) compared with the measured data.Using this model the nonlinear character of cucumber leaf was made clear.

关键词： light-response curve of photosynthesis model light-saturation point Net photosynthesis rates Nonlinear

作者: LI Dongsheng LI Pingping

作者单位: Jiangsu Provincial Key Laboratory of Modern Agricultural Equipment and Technology,Jiangsu University Jiangsu Provincial Key Laboratory of Modern Agricultural Equipment and Technology,Jiangsu University

会议类型: 国际会议

会议名称: 2007 International Conference on Agriculture Engineering(2007年农业工程国际会议)

会议地点: 河北保定

会议语种:英文

页码: 565-572

在线出版日期: 2007-10-20（万方平台首次上网日期，不代表论文的发表时间）