Fig. 4.

Distribution of the fluorescence at 580 nm, F₅₈₀, as false-colour surface plots, in leaves of Ligustrum vulgare acclimated to full-sunlight irradiance. Cross-sections were stained with NR and excited with (A) far blue- (λ_exc = 488 ± 5 nm) or (B) UV light (λ_exc = 365 ± 5 nm).