Table 3.

Changes in quantum yield of nonregulated energy dissipation

Plants	C3						CAM
Hours post inoculation	0	3	6	9	24	48	0	3	6	9	24	48
Fv/Fm
Infected leaf area	0.70 ± 0.01	0.64 ± 0.02	0.50 ± 0.04	0.52 ± 0.03	0.50 ± 0.08	0.58 ± 0.06	0.62 ± 0.00	0.41 ± 0.03	0.50 ± 0.04	0.56 ± 0.01	0.50 ± 0.08	0.58 ± 0.07
Midrib	0.67 ± 0.01	0.68 ± 0.01	0.60 ± 0.00	0.62 ± 0.00	0.65 ± 0.01	0.72 ± 0.00	0.66 ± 0.01	0.61 ± 0.02	0.60 ± 0.00	0.65 ± 0.00	0.64 ± 0.01	0.72 ± 0.00
Non- infected leaf area	0.66 ± 0.02	0.63 ± 0.01	0.56 ± 0.04	0.58 ± 0.02	0.62 ± 0.02	0.69 ± 0.01	0.69 ± 0.00	0.59 ± 0.00	0.57 ± 0.04	0.63 ± 0.01	0.62 ± 0.02	0.69 ± 0.02
NPQ
Infected leaf area	0.17 ± 0.01	0.18 ± 0.00	0.16 ± 0.01	0.15 ± 0.01	0.12 ± 0.02	0.05 ± 0.01	0.05 ± 0.00	0.04 ± 0.00	0.16 ± 0.01	0.14 ± 0.01	0.12 ± 0.02	0.05 ± 0.02
Midrib	0.20 ± 0.00	0.17 ± 0.00	0.19 ± 0.01	0.20 ± 0.01	0.18 ± 0.00	0.07 ± 0.01	0.16 ± 0.01	0.20 ± 0.03	0.19 ± 0.00	0.18 ± 0.00	0.18 ± 0.00	0.07 ± 0.01
Non- infected leaf area	0.17 ± 0.00	0.26 ± 0.01	0.26 ± 0.00	0.32 ± 0.02	0.29 ± 0.03	0.16 ± 0.03	0.15 ± 0.01	0.18 ± 0.00	0.24 ± 0.00	0.23 ± 0.00	0.29 ± 0.03	0.17 ± 0.02
Y(NO)
Infected leaf area	0.37 ± 0.02	0.35 ± 0.01	0.44 ± 0.04	0.46 ± 0.03	0.52 ± 0.07	0.45 ± 0.08	0.64 ± 0.01	0.75 ± 0.01	0.44 ± 0.03	0.46 ± 0.04	0.52 ± 0.07	0.45 ± 0.09
Midrib	0.36 ± 0.02	0.33 ± 0.02	0.36 ± 0.01	0.33 ± 0.01	0.36 ± 0.02	0.27 ± 0.01	0.35 ± 0.00	0.34 ± 0.01	0.36 ± 0.01	0.34 ± 0.02	0.37 ± 0.02	0.26 ± 0.01
Non- infected leaf area	0.35 ± 0.02	0.28 ± 0.01	0.33 ± 0.02	0.28 ± 0.00	0.29 ± 0.02	0.23 ± 0.01	0.37 ± 0.02	0.37 ± 0.00	0.33 ± 0.02	0.33 ± 0.00	0.29 ± 0.02	0.22 ± 0.00

In PSII, Y(NO) measured on leaves of C₃ and CAM common ice plants. Shown are average values (± SD) from the selected leaf areas