Abstract
State 2-to-State 1 transitions in intact leaves adapted to blue light of different intensity were initiated by addition of far-red light. It was found that the f m-level of chlorophyll fluorescence increases stronger than the f 0-level does. The ratio of the relative changes is about 2 at 1 W · m −2 blue light and approaches 1.2 at 10 W · m −2. These results indicate the involvement of spillover changes at low light intensities.
Published Version
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