Table 3.
Summary of the analysis of variance for Chl a—chlorophyll a, Chl b—chlorophyll b, Chl t—total chlorophyll, and Car—carotenoids of sour passion fruit under different levels of electrical conductivity of irrigation water and salicylic acid at 180 DAT.
| SV | DF | Mean Squares | |||
|---|---|---|---|---|---|
| Chl a | Chl b | Chl t | Car | ||
| Electrical conductivity of water (ECw) | 4 | 90,590.46 ** | 12,497.44 ** | 169,455.31 ** | 12,562.68 ** |
| Linear regression | 1 | 227,041.75 ** | 38,137.66 ** | 451,219.54 ** | 48,547.99 ** |
| Quadratic regression | 1 | 102,661.66 ns | 8207.09 ns | 168,925.51 ns | 1062.09 ns |
| Residual 1 | 8 | 532.88 | 11.78 | 510.73 | 0.07 |
| Salicylic acid (SA) | 3 | 85,227.58 ** | 8162.89 ** | 144,564.62 ** | 89.76 ns |
| Linear regression | 1 | 90,129.43 ns | 4531.15 ns | 149,529.27 * | - |
| Quadratic regression | 1 | 102,004.18 ** | 12,952.76 ** | 171,415.21 ** | - |
| Interaction (ECw × SA) | 12 | 1649.41 * | 54.15 * | 1915.92 * | 0.53 ns |
| Residual 2 | 32 | 1482.89 | 124.69 | 1501.21 | 0.69 |
| CV 1 (%) | 3.71 | 3.89 | 2.81 | 6.14 | |
| CV 2 (%) | 6.19 | 6.72 | 4.82 | 8.44 | |
SV—Source of variation; DF—degree of freedom; CV (%)—coefficient of variation; * significant at 0.05 of probability; ** significant at 0.01 level of probability; and ns—not significant.