Table 4. Analysis of variance of water potential of four species in Bahía de Lobos, Sonora, Mexico. (SS, Sum of squares; DF, degree of freedom; MS, Medium square; p, probability).
| Sources of variation | SS | DF | MS | F | p |
|---|---|---|---|---|---|
| Intercept | 644.3136 | 1 | 644.3136 | 11,714.79 | 0.000002 |
| Species | 96.8231 | 3 | 32.2744 | 586.81** | 0.000173 |
| Organs | 4.8022 | 2 | 2.4011 | 43.66** | 0.000142 |
| Species * Organs | 1.2311 | 6 | 0.2052 | 3.73** | 0.009190 |
| Error | 1.3200 | 24 | 0.0550 | ||
| Total | 104.1764 | ||||
| R2 species | 0.93 | ||||
| R2 organs | 0.046 | ||||
| R2 interaction | 0.012 |
Note:
Asterisks (* and **) represent significant differences for p < 0.05 and p < 0.01. R2: coefficient of determination without adjustment, for isolated sources of variation and for factor interaction.