Table 1.

Effects of 0, 7, 14, and 21 d of salt stress conditions on Fv/Fm, relative water content (RWC), electrolyte leakage (EL), hydrogen peroxide (H₂O₂) and superoxide anion (O₂^•−) in Solanum lycopersicum and Solanum chilense.

Treatments	Physiological parameter and free radical generation
	Fv/Fm		RWC		EL		H2O2		O2•−
	DVRT-1	Chilense	DVRT-1	Chilense	DVRT-1	Chilense	DVRT-1	Chilense	DVRT-1	Chilense
0 d	0.65 ± 0.03bcd	0.93 ± 0.02a	81.3 ± 3.3ab	89.1 ± 5.6a	21.4 ± 1.5e	17.8 ± 1.7e	27.1 ± 4.8bc	25.5 ± 2.00c	0.48 ± 0.14cd	0.25 ± 0.01d
7 d	0.53 ± 0.03cde	0.81 ± 0.02ab	61.5 ± 3.8cd	78.9 ± 1.6ab	39.6 ± 3.8c	24.0 ± 3.1de	34.8 ± 1.6bc	28.5 ± 1.2bc	0.82 ± 0.08c	0.27 ± 0.01d
14 d	0.46 ± 0.07de	0.72 ± 0.03bc	48.8 ± 3.7de	67.6 ± 3.6bc	51.2 ± 2.0b	33.8 ± 3.9cd	53.7 ± 3.9a	32.4 ± 2.5bc	1.43 ± 0.24b	0.35 ± 0.02cd
21 d	0.41 ± 0.10e	0.72 ± 0.01bc	36.0 ± 3.9e	61.9 ± 5.0cd	74.8 ± 3.1a	41.4 ± 1.8bc	64.1 ± 1.7a	38.7 ± 4.3b	2.28 ± 0.18a	0.76 ± 0.13cd

Mean (+SE) was calculated from three replicates for each treatment. Values with different letters are significantly different at P ≤ 0.05 applying the DMRT test.