Table 2.
Summary of the analysis of variance for internal CO2 concentration, stomatal conductance, transpiration, and CO2 assimilation rate of sour passion fruit under different levels of electrical conductivity of irrigation water and salicylic acid, at 180 DAT.
| SV | DF | Mean Squares | |||
|---|---|---|---|---|---|
| Ci | gs | E | A | ||
| Electrical conductivity of water (ECw) | 4 | 56,260.48 ** | 1.74 × 10−2 ** | 1.07 ** | 5.84 ** |
| Linear regression | 1 | 211,848.03 ** | 3.97 × 10−2 ** | 2.29 ** | 9.09 * |
| Quadratic regression | 1 | 11,666.67 ns | 9.32 × 10−3 ** | 1.16 * | 10.14 ** |
| Residual 1 | 8 | 26.72 | 1.40 × 10−5 | 4.63 × 10−4 | 6.11 × 10−3 |
| Salicylic acid (SA) | 3 | 2916.38 ** | 1.03 × 10−3 ** | 0.23 ** | 1.04 ** |
| Linear regression | 1 | 5843.25 * | 5.47 × 10−4 ** | 0.12 ns | 0.30 ns |
| Quadratic regression | 1 | 1926.67 ** | 1.93 × 10−3 ** | 0.33 ** | 1.25 ** |
| Interaction (ECw × SA) | 12 | 181.79 ** | 6.20 × 10−5 ** | 5.49 × 10−3 ** | 0.03 ** |
| Residual 2 | 32 | 67.74 | 1.62 × 10−4 | 1.33 × 10−2 | 0.54 |
| CV 1 (%) | 2.51 | 2.78 | 1.78 | 3.57 | |
| CV 2 (%) | 4.00 | 6.01 | 5.62 | 14.72 | |
SV—Source of variation; DF—degree of freedom; CV (%)—coefficient of variation; * significant at 0.05 level of probability; ** significant at 0.01 level of probability; and ns—not significant.