Table 10.
Summary of the analysis of variance for the 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 360 DAT.
| SV | DF | Mean Squares | |||
|---|---|---|---|---|---|
| F0 | Fm | Fv | Fv/Fm | ||
| Electrical conductivity of water (ECw) | 4 | 3686.68 ** | 60,774.36 ** | 119,387.17 ** | 0.017 ** |
| Linear regression | 1 | 18,682.04 ** | 23,829.83 ** | 472,408.49 ns | 0.068 ** |
| Quadratic regression | 1 | 64.55 ns | 1482.27 ns | 1123.57 ns | 0.0001 ns |
| Residual 1 | 8 | 107.87 | 10,476.11 | 13,380.23 | 0.001 |
| Salicylic acid (SA) | 3 | 92.77 ns | 3352.38 ns | 3628.06 ns | 0.0004 ns |
| Interaction (ECw × SA) | 12 | 67.49 ns | 1897.02 ns | 2620.32 ns | 0.0003 ns |
| Residual 2 | 32 | 246.29 | 20,770.58 | 24,883.95 | 0.002 |
| CV 1 (%) | 2.63 | 8.20 | 12.78 | 3.97 | |
| CV 2 (%) | 3.25 | 11.55 | 17.43 | 5.75 | |
SV—Source of variation; DF—degree of freedom; CV (%)—coefficient of variation; ** significant at 0.01 level of probability; and ns—not significant.