Table 1.

Effects of different R: FR values on plant height, stem diameter, fresh and dry weights of root, stem, and leaf in tomato seedlings under salinity stress in wild type (WT) and phytochrome B1 mutant (phyB1 mutant)

Treatments			T1	T2	T3	T4	T5	T6
WT	Plant height (cm)		18.43 ± 0.65c	22.83 ± 0.82b	26.30 ± 0.75a	12.92 ± 0.55e	15.78 ± 0.78d	19.32 ± 0.65c
	Stem Diameter (mm)		7.37 ± 0.55a	6.29 ± 0.46b	5.89 ± 0.50bc	5.66 ± 0.55c	5.43 ± 0.53c	4.61 ± 0.17d
	Fresh mass (g)	Root	5.66 ± 0.22b	6.91 ± 0.41a	5.77 ± 0.40b	3.00 ± 0.20d	4.33 ± 0.35c	5.58 ± 0.30b
		Stem	6.38 ± 0.25c	9.57 ± 0.34a	10.94 ± 0.34a	2.73 ± 0.16e	4.47 ± 0.28d	5.89 ± 0.29c
		Leaf	14.44 ± 0.51c	22.49 ± 0.55a	19.96 ± 0.47b	7.43 ± 0.37e	10.29 ± 0.47d	13.96 ± 0.55c
		In total	26.48 + 0.97c	38.97 + 0.86a	36.68 + 1.08b	13.17 + 0.90e	19.09 + 1.06d	25.44 + 1.12c
	Dry mass (g)	Root	0.28 ± 0.02bc	0.37 ± 0.02a	0.30 ± 0.03b	0.14 ± 0.02e	0.20 ± 0.02d	0.26 ± 0.01c
		Stem	0.23 ± 0.02c	0.35 ± 0.02b	0.41 ± 0.02a	0.16 ± 0.03d	0.24 ± 0.02c	0.25 ± 0.02c
		Leaf	1.16 ± 0.05c	1.61 ± 0.04a	1.40 ± 0.03b	0.51 ± 0.04e	0.78 ± 0.04d	1.13 ± 0.04c
		In total	1.68 + 0.07c	2.34 + 0.06a	2.11 + 0.04b	0.82 + 0.08e	1.23 + 0.08d	1.68 + 0.02c
phyB1 mutant	Plant height (cm)		25.18 ± 0.79a	24.90 ± 0.74a	25.21 ± 0.51a	16.64 ± 0.51b	16.10 ± 0.55b	16.61 ± 0.67b
	Stem Diameter (mm)		5.61 ± 0.23a	5.66 ± 0.23a	5.50 ± 0.13a	4.44 ± 0.25b	4.49 ± 0.30b	4.30 ± 0.20b
	Fresh mass (g)	Root	2.52 ± 0.10a	2.66 ± 0.13a	2.49 ± 0.15a	1.68 ± 0.04b	1.65 ± 0.14b	1.70 ± 0.06b
		Stem	6.37 ± 0.35a	6.39 ± 0.24a	6.33 ± 0.25a	3.59 ± 0.17b	3.51 ± 0.21b	3.42 ± 0.14b
		Leaf	14.47 ± 0.55a	14.41 ± 0.45a	14.12 ± 0.53a	7.94 ± 0.78b	8.17 ± 0.17b	7.96 ± 0.07b
		In total	23.36 ± 0.47a	23.47 ± 0.16a	22.95 ± 0.24a	13.21 ± 0.58b	13.33 ± 0.10b	13.09 ± 0.16b
	Dry mass (g)	Root	0.138 ± 0.005a	0.142 ± 0.006a	0.141 ± 0.015a	0.087 ± 0.006b	0.089 ± 0.010b	0.093 ± 0.015b
		Stem	0.254 ± 0.017a	0.262 ± 0.026a	0.265 ± 0.015a	0.126 ± 0.017b	0.123 ± 0.005b	0.128 ± 0.010b
		Leaf	1.133 ± 0.083a	1.126 ± 0.101a	1.066 ± 0.100a	0.716 ± 0.011b	0.773 ± 0.015b	0.763 ± 0.057b
		In total	1.516 ± 0.083a	1.533 ± 0.100a	1.473 ± 0.120a	0.920 ± 0.017b	0.980 ± 0.010b	0.971 ± 0.072b

The values (mean ± SE, n = 6) with different letter within columns are statistically different (P ≤ 0.05) according to Duncan’s multiple range test. T1, 0 mM NaCl + 7.4 R: FR; T2, 0 mM NaCl + 1.2 R: FR; T3, 0 mM NaCl + 0.8 R: FR; T4, 100 mM NaCl + 7.4 R: FR; T5, 100 mM NaCl + 1.2 R: FR; T6, 100 mM NaCl + 0.8 R: FR