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Changes in (a) the excess excitation energy (EXC) and (b) in the efficiency of open PSII reaction centers (Fv′/Fm′) at the whole leaflet level before feeding (control), at the feeding zone after feeding (FZ), and at the whole leaflet after feeding (WL). Error bars are standard deviations. Columns with different letters are statistically different (p < 0.05).
