Table I. Changes in Lx and V cycle pigments in attached mature leaves of shade-grown avocado following light treatments (1 h at 223 ± 27 μmol photons m−2 s−1) in nine experiments

Values shown are means ± se (n = 9–13, with two to three replicate leaves in each experiment).

ParameterPigment
ΔLxΔLΔVΔA+Z
mmol mol−1 chlorophyll
Deepoxidation (1 h)−11.8 ± 2.1+10.2 ± 0.6−12.5 ± 1.1+11.7 ± 1.1
A+ZA+Z/V+A+ZFv/Fm
Epoxidation (>24 h)
 Initial dark control0.8 ± 0.30.03 ± 0.010.808 ± 0.002
 After treatment12.5 ± 0.60.37 ± 0.030.787 ± 0.002
 After recovery3.4 ± 0.60.11 ± 0.030.789 ± 0.003