. 2013 Jul 10;2(3):473–488. doi: 10.3390/plants2030473

Table 1.

Mean values of photosynthetic capacity (A_maxL), dark respiration (R_d), photorespiration (Pr), photosynthetic potential (A_maxCO2), relative stomatal limitation to photosynthesis (Ls), and maximum ratio of Rubisco carboxylation (V_cmax) in G. max and B. brizantha under different temperature conditions (°C).

Gas exchange parameters
	G. max			B. brizantha
	20 °C	30 °C	40 °C	20 °C	30 °C	40 °C
A_maxL (µmol CO₂ m⁻² s⁻¹)	15.2 ^ab	13.2 ^b	18.5 ^a	13.7 ^c	20.3 ^b	27.6 ^a
R_d (µmol CO₂ m−2 s⁻¹)	2.5 ^a	1.2 ^b	2.4 ^a	2.1 ^a	2.2 ^a	2.4 ^a
P_r (µmol CO₂ m−2 s⁻¹)	3.2 ^b	3.7 ^b	6.1 ^a	0.4 ^a	0.3 ^a	0.3 ^a
A_maxCO2 (µmol CO₂ m−2 s⁻¹)	16.7 ^b	20.2 ^b	29.5 ^a	11.1 ^b	20.6 ^a	25.4 ^a
L_S	9.8 ^b	16.9 ^a	20.9 ^a	18.7 ^a	14.6 ^a	6.8 ^b
V_cmax (µmol m−2 s⁻¹)	61 ^b	68 ^ab	78 ^a	18 ^a	24 ^a	27 ^a

Different letters indicate statistical difference (p < 0.05) between temperature conditions to each species.