Table 4.

Summary of the analysis of variance for F₀—initial fluorescence Fm—maximum fluorescence, Fv—variable fluorescence, and Fv/Fm—quantum efficiency of photosystem II of sour passion fruit irrigated with saline water and salicylic acid at 180 DAT.

SV	DF	Mean Squares
		F0	Fm	Fv	Fv/Fm
Electrical conductivity of water (ECw)	4	3981.23 **	120,560.85 **	182,939.77 **	0.006 **
Linear regression	1	1587.00 **	47,270.21 **	72,199.53 **	0.023 **
Quadratic regression	1	54.85 ns	2941.72 ns	2468.67 ns	0.001 ns
Residual 1	8	91.65	20,781.50	23,766.24	0.0004
Salicylic acid (SA)	3	78.86 ns	6650.60 ns	6837.17 ns	0.0002 ns
Interaction (ECw × SA)	12	57.33 ns	3763.25 ns	4501.81 ns	0.0001 ns
Residual 2	32	209.23	41,204.07	45,247.04	0.0007
CV 1 (%)		1.43	6.61	9.48	2.72
CV 2 (%)		2.16	9.31	13.08	3.67

SV—Source of variation; DF—degree of freedom; CV (%)—coefficient of variation; ** significant at 0.01 level of probability; and ns—not significant.