Abstract
Chlorophyll fluorescence (CF) has become a powerful tool in plant photosynthesis research and stress detection, considered a rapid, highly sensitive and non-invasive probe of photosynthetic activity. With the rapid development of computer technology and sensor technology for weak signal, recently much attention has been paid to chlorophyll fluorescence on-line monitoring for estimation of plant photosynthesis. This paper analyzes the fundamental principle of chlorophyll fluorescence on-line monitoring technology, introduces a new measurement and control system for chlorophyll fluorescence, which bases on MINIPAM, using light-emitting diode (LED) excitation by means of measuring the fluorescence parameters, and introduces application of active fluorescence measurement and passive fluorescence measurement in the study of the biological information monitoring in plant photosynthesis. Finally, the future development trends, the prospect and the difficulties of chlorophyll fluorescence on-line monitoring technology are discussed.
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