title: On the mechanism of the PMA-effected quenching of chloroplast fluorescence.
mesh_terms: D001205:Ascorbic Acid / Q000378:metabolism; D002736:Chloroplasts / Q000187:drug effects / Q000378:metabolism*; D007700:Kinetics; D010084:Oxidation-Reduction; D010619:Phenazines / Q000494:pharmacology*; D010944:Plants; D013050:Spectrometry, Fluorescence; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D013464:Sulfuric Acids / Q000494:pharmacology
chemical_list: D010619:Phenazines; D013464:Sulfuric Acids; D001205:Ascorbic Acid