Table 1.

The intraspecific variations in leaf photosynthetic rate (A), mesophyll conductance (g_m), stomatal conductance (g_s), intercellular CO₂ concentration (C_i), chloroplast CO₂ concentration (C_c) and leaf hydraulic conductance (K_leaf) in the 11 studied rice genotypes

Genotype	A (μmol m–2 s–1)	g m (mol m–2 s–1)	g s (mol m-2 s-1)	C i (μmol mol–1)	C c (μmol mol–1)	K leaf (mmol m–2 s–1 MPa–1)
LYPJ	29.3 ± 2.4	0.60 ± 0.01	0.57 ± 0.04	317 ± 6	269 ± 10	17.4 ± 4.7
TYHZ	32.9 ± 3.0	0.71 ± 0.09	0.80 ± 0.04	334 ± 8	287 ± 16	18.4 ± 2.9
YY673	28.9 ± 3.5	0.52 ± 0.13	0.56 ± 0.05	318 ± 3	261 ± 4	17.8 ± 4.8
YLY2	34.0 ± 2.5	0.70 ± 0.08	0.75 ± 0.13	326 ± 8	278 ± 9	19.3 ± 6.2
YY12	37.5 ± 0.7	0.74 ± 0.02	0.85 ± 0.10	329 ± 8	278 ± 7	49.2 ± 14.2
FLYX1	29.8 ± 1.3	0.57 ± 0.05	0.61 ± 0.03	322 ± 1	269 ± 3	21.9 ± 5.3
HY3	26.3 ± 3.3	0.49 ± 0.13	0.58 ± 0.23	322 ± 21	266 ± 29	18.8 ± 3.8
YY2640	38.3 ± 2.7	0.65 ± 0.02	0.85 ± 0.26	324 ± 17	265 ± 15	78.3 ± 12.7
SY63	30.8 ± 3.3	0.63 ± 0.11	0.65 ± 0.13	323 ± 10	273 ± 13	20.0 ± 3.3
YLY6	30.1 ± 1.2	0.53 ± 0.06	0.58 ± 0.08	316 ± 11	258 ± 5	12.2 ± 2.6
N22	31.5 ± 0.8	0.52 ± 0.02	0.70 ± 0.03	327 ± 5	267 ± 5	16.1 ± 5.6
MANOVA	P < 0.001	P < 0.01	P < 0.05	P = 0.639	P = 0.341	P < 0.001

Data are shown as means ± s.d. of 3–5 biological replicates for A, g_m, g_s, C_i and C_c, and of 4–8 biological replicates for K_leaf.