Table 2.

Effects of exogenous calcium on shoot and root length, fresh weight (FW) and dry weight (DW), and relative water content (RWC) of two rice cultivars under 100 mM NaCl stress at germination stage

Cultivars	Treatments	Shoot length (cm)	Root length (cm)	Shootlet FW (mg plant−1)	Shootlet DW (mg plant−1)	Rootlet FW (mg plant−1)	Rootlet DW (mg plant−1)	RWC (%)
Binadhan-10	Control	4.11 ± 0.02ab	4.03 ± 0.19cd	21.06 ± 0.13bc	2.46 ± 0.35bc	17.2 ± 1.14a–d	2.93 ± 0.17a	90.55 ± 1.74c
	10 mM CaCl2	4.36 ± 0.17a	5.16 ± 0.52b	26.33 ± 2.76a	2.46 ± 0.73bc	24.00 ± 4.98a	2.93 ± 0.33a	96.21 ± 0.83a
	15 mM CaCl2	3.80 ± 0.07b	6.32 ± 0.22a	22.46 ± 0.71b	2.13 ± 0.30bc	17.53 ± 0.88a–d	2.6 ± 0.11ab	93.79 ± 0.93a–c
	100 mM NaCl (S)	1.76 ± 0.16gh	2.82 ± 0.33e	11.06 ± 0.86f–g	1.26 ± 0.11e	12.73 ± 1.33cd	2.13 ± 0.13ab	90.44 ± 1.86c–e
	S + 10 mM CaCl2	3.33 ± 0.21cd	4.72 ± 0.73bc	18.26 ± 0.43cd	1.6 ± 0.41de	17.6 ± 1.96a–d	2.67 ± 0.24ab	91.91 ± 0.81b–d
	S + 15 mM CaCl2	2.81 ± 0.18e	4.98 ± 0.32b	15.00 ± 0.91de	1.26 ± 0.53e	18.6 ± 1.25a–c	2.53 ± 0.06ab	95.50 ± 1.05a
Binadhan-7	Control	3.70 ± 0.06bc	4.04 ± 0.08 cd	14.00 ± 1.27ef	3.20 ± 0.11a	24.00 ± 3.49a	2.13 ± 0.26ab	92.59 ± 0.22b–d
	10 mM CaCl2	4.10 ± 0.08ab	4.85 ± 0.15bc	12.07 ± .60e–g	3.53 ± 0.06a	19.20 ± 1.03a–c	2.53 ± 0.17ab	94.30 ± 0.44ab
	15 mM CaCl2	2.98 ± 0.25de	3.79 ± 0.15d	9.53 ± 1.83gh	2.60 ± 0.11b	21.07 ± 0.76ab	2.40 ± 0.06ab	94.06 ± 1.01a–c
	100 mM NaCl (S)	1.44 ± 0.05h	2.60 ± 0.03e	7.53 ± 0.78 h	1.20 ± 0.11e	11.13 ± 0.06d	1.33 ± 0.26c	89.25 ± 2.01e
	S + 10 mM CaCl2	2.66 ± 0.02ef	3.41 ± 0.05de	10.07 ± 0.40gh	2.00 ± 0.11cd	15.20 ± 0.75b–d	2.27 ± 0.11ab	91.52 ± 1.43c–e
	S + 15 mM CaCl2	2.23 ± 0.03fg	2.74 ± 0.04e	7.60 ± 0.60h	1.40 ± 0.11e	14.40 ± 0.46b–d	2.00 ± 0.20ab	89.14 ± 0.54e
Sig. level		*	*	*	*	*	*	*

Each value presents the means ± standard errors (n = 3) obtained from three independent replicates. Different letters in each column indicates statistically significant difference following Fisher’s least significant difference method (P < 0.05, *)