Table I.

Average (±se) stomatal conductances to water vapor (g_w, mmol m⁻² s⁻¹), net assimilation rates (A, μmol m⁻² s⁻¹), intercellular CO₂ concentrations (C_i, μmol mol⁻¹), the capacities for photosynthetic electron transport (J_max, μmol m⁻² s⁻¹), and the optimum temperatures of J_max (T_opt, °C) in nontreated (control) and fumigated and nonfumigated fosmidomycin-fed Q. ilex leaves: maximum values observed during temperature response curves, and the values measured at 25°C and at 45°C

Characteristic	Nontreated Control	Fosmidomycin Fed
		Nonfumigated	α-Pinene Fumigated	α-Terpineol Fumigated
Max gw	142 ± 26aa	175 ± 44a	182 ± 67a	107 ± 5b
gw at 25°C	127 ± 32a	175 ± 44a	93 ± 24a	53 ± 4b
gw at 45°C	56 ± 18a	29 ± 11a	30 ± 8a	6.4 ± 0.5bb
Max A and A at 25°Cc	11.3 ± 2.2a	15.1 ± 1.9b	8.7 ± 1.2a	4.5 ± 0.3c
A at 45°C	4.2 ± 1.3a	−0.6 ± 1.1b	1.8 ± 0.4b	−2.7 ± 0.5cb
Ci at 25°C	261 ± 16a	250 ± 21a	263 ± 22a	271 ± 10a
Ci at 45°C	300 ± 37a	400 ± 35b	319 ± 17a	1,060 ± 30cb
Max Jmaxd	101 ± 11ab	141 ± 11ab	72 ± 8a	44 ± 5c
Jmax at 25°C	76 ± 16ab	107 ± 10b	59 ± 10a	36 ± 5c
Jmax at 45°C	73 ± 15a	15 ± 8b	40 ± 8a	2.2 ± 2bb
Topt	38.8 ± 1.1a	29.5 ± 0.8b	37.0 ± 1.1a	29.6 ± 1.5b

^aMeans with the same letter are not statistically different (one-way ANOVA followed by Bonferroni test).

^bMeasurements at 40°C.

^cMaximum A was always observed at 25°C.

^dJ_max at T_opt derived from fitted J_max versus leaf temperature responses (Eq. 6).