Kautsky effect (also named fluorescence transient, fluorescence induction or fluorescence decay) is a phenomenon consisting on a typical variation on the behavior of a plant fluorescence when is exposed to light. It was discovered in 1931 by H. Kautsky and A. Hirsch.
When dark-adapted photosynthesising cells are illuminated with continuous light, chlorophyll fluorescence displays characteristic changes in intensity accompanying the induction of photosynthetic activity.
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