Modeling diurnal variation of whole-plant photosynthesis of greenhouse roses

被引:7
|
作者
Kim, SH [1 ]
Lieth, JH [1 ]
机构
[1] Univ Calif Davis, Dept Environm Hort, Davis, CA 95616 USA
关键词
Rosa hybrida 'Kardinal'; crop simulation; gas exchange; whole-plant chamber; extinction coefficient;
D O I
10.17660/ActaHortic.2001.547.14
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Whole-plant photosynthetic rate of rose (cv. Kardinal) was measured with an open system consisting of a computer-controlled data acquisition system and an infrared gas analyzer (IRGA). The system was used to monitor diurnal patterns of whole-plant gas exchange in response to environmental variables and a model to simulate this was constructed. A model for leaf photosynthesis was calibrated and scaled up to the whole-plant level. The simulated whole-plant photosynthesis compared well with the observed data. The model can be used for identifying the impacts of varying environmental factors on whole-plant or canopy photosynthesis of roses in the greenhouse.
引用
收藏
页码:111 / 119
页数:9
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