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Enabling better global research outcomes in soil, plant & environmental monitoring.

CI-510CF Chlorophyll Fluorescence Module

Using the CI-510CF to measure chlorophyll fluorescence provides the investigator with information about changes in the efficiency of photosynthesis and heat dissipation from the leaf. The CI-510CF modulation frequency is adjustable, ranging from 8-80 Hz.

Chlorophyll fluorescence analysis is a widely used technique for plant physiologists and ecophysiologists.  Light energy absorbed by chlorophyll molecules in a leaf has three possible destinies.  First, the light energy could be used to drive photosynthesis.  Secondly, excess light energy can be dissipated as heat.  Thirdly, excess light energy can be re-emitted as light, which is known as chlorophyll fluorescence.

These three processes occur in competition, meaning that an increase in the efficiency of one will result in a decrease in the yield of the other two.

Liu, K., C. F. Tang, S. B. Zhou, Y. P. Wang, D. Zhang, G. W. Wu, and L. L. Chang. “Comparison of the photosynthetic characteristics of four Lycoris species with leaf appearing in autumn under field conditions.” Photosynthetica50, no. 4 (2012): 570-576.

Zhou, S. B., K. Liu, D. Zhang, Q. F. Li, and G. P. Zhu. “Photosynthetic performance of Lycoris radiata var. radiata to shade treatments.” Photosynthetica 48, no. 2 (2010): 241-248.

Grant, Richard H., Kent G. Apostol, and Hans F. Schmitz. “Physiological Impacts of Short-Term UV Irradiance Exposures on Cultivars of Glycine Max.” In UV Radiation in Global Climate Change, pp. 458-487. Springer Berlin Heidelberg, 2010.

Feng, Lingling, Hui Li, Jingmei Jiao, Ding Li, Li Zhou, Jian Wan, and Yangsheng Li. “Reduction in SBPase activity by antisense RNA in transgenic rice plants: effect on photosynthesis, growth, and biomass allocation at different nitrogen levels.” Journal of Plant Biology 52, no. 5 (2009): 382-394.

Feng, Lingling, Yujun Han, Gai Liu, Baoguang An, Jing Yang, Guohua Yang, Yangsheng Li, and Yingguo Zhu. “Overexpression of sedoheptulose-1, 7-bisphosphatase enhances photosynthesis and growth under salt stress in transgenic rice plants.” Functional Plant Biology 34, no. 9 (2007): 822-834.

Feng, Lingling, Kun Wang, Yang Li, Yanping Tan, Jin Kong, Hui Li, Yangsheng Li, and Yingguo Zhu. “Overexpression of SBPase enhances photosynthesis against high temperature stress in transgenic rice plants.” Plant cell reports 26, no. 9 (2007): 1635-1646.

Jiang, D., T. Dai, Q. Jing, W. Cao, Q. Zhou, H. Zhao, and X. Fan. “Effects of long-term fertilization on leaf photosynthetic characteristics and grain yield in winter wheat.” Photosynthetica 42, no. 3 (2004): 439-446.