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Chlorophyll a fluorescence induction (OJIP) transients (double normalized between O and P) of thylakoids treated with ethanol and four increasing concentrations diuron (A) and with 5 × 10−8 M diuron, bentazon, metribuzin, metobromuron and terbuthylazine (B) compared to untreated thylakoids (i.e., control). Lines are the mean of at least four measurements; the shade area covers the standard deviation.
