LEA Gene Expression Assessment in Advanced Mutant Rice Genotypes under Drought Stress

Table 1

Mean values of photosynthetic rate, leaf chlorophyll content, and maximum quantum yield of PSII measured in the four studied rice genotypes under drought stress conditions.

Treatment/genotype	Physiological parameters
	Photosynthetic rate (μmol CO2 m^-2 s^-1)		Leaf chlorophyll content (mg g^-1 FW)		PSII photochemical efficiency (Fv/Fm)
	WW	DS	WW	DS	WW	DS
MR219-4	22.71^a	12.32^b	11.45^a	5.44^a	0.79^a	0.62^a
MR219-9	20.80^c	13.43^a	10.44^b	2.82^b	0.62^b	0.51^b
MR219	22.24^b	12.28^b	11.36^a	2.45^c	0.82^a	0.44^d
Aeron1	22.38^b	12.32^b	11.59^a	1.89^d	0.57^c	0.46^c
Mean	22.03	12.59	11.21	3.15	0.70	0.51
CV (%)	3.52	4.78	4.36	4.74	16.01	14.15

Note: means followed by the different letters within a column are significantly different from each other according to the HSD test at ; WW: well-watered; DS: drought stress; CV: coefficient of variation.