Table 3.

Summary of variance analysis for leaf chlorophyll indices and chlorophyll fluorescence of the sour passion fruit plants as a function of irrigation depths (ID), pit volume (PV), and doses of water-retaining polymer (WRP).

SV	DF	Mean Squares
		Chl a	Chl b	Chl Total	F0	Fm	Fv
Blocks	2	3.09 ns	0.11 ns	4.37 ns	13,952.06 ns	384,103.26 ns	378,388.86 ns
Irrigation depths (ID)	1	293.22 *	0.71 ns	322.75 *	640.26 ns	417,333.60 ns	449,800.41 ns
Error 1	2	4.64	0.42	0.003	17,617.86	63,411.80	49,449.26
Pit volume (PV)	1	3.66 ns	3.89 *	5.50	2912.06 ns	203,933.40 ns	157,388.81 ns
Water-retaining polymer (WRP)	4	18.09 **	5.28 **	41.03 **	1069.93 ns	42,117.66 ns	33,767.85 ns
ID × PV	1	1.47 ns	22.81 **	12.69 *	1288.06 ns	363,793.06 *	409,200.41 *
ID × WRP	4	49.89 **	1.24 ns	63.32 **	8125.26 *	50,025.68 ns	38,505.37 ns
PV × WRP	4	22.62 **	9.95 **	47.32 **	1398.40 ns	31,285.06 ns	31,029.52 ns
ID × PV × WRP	4	44.44 **	4.04 **	64.84 **	9042.06 *	94,404.98 ns	74,372.04 ns
Error 2	36	1.67	0.84	3.02	3010.46	71,006.90	62,160.80
Total	59
CV1		5.42	5.56	4.56	29.50	10.76	11.77
CV2		3.25	7.83	3.37	12.19	11.39	13.19
Mean		39.75	11.75	51.51	449,93	2339.83	1889.78

SV = sources variation; DF = degree of freedom; CV₁ = coefficient of variation of the main plot; Chl a = chlorophyll a index; Chl b = chlorophyll b index; Chl Total = chlorophyll total index; F₀ = initial fluorescence; Fm = maximum fluorescence; Fv = variable fluorescence; CV₂ = coefficient of variation of the subplots; *, **, ^ns = significant at 0.05, 0.01 probability and not significant, respectively, by the F test at 0.05 probability.