Open Access
Tabla 3.
Coeficientes de correlación de Pearson (r) y el nivel de significancia entre los valores de δ18O y los componentes hídrico suelo-planta, según vigor.
| Variable | Variable de | Coeficiente de | p-Valor |
|---|---|---|---|
| explicativa | respuesta | de correlación (R) | |
| Vigor Alto | |||
| δ18O Hoja | Humedad de suelo (%) | − 0.80 | 0.0534 |
| Ψfb (MPA) | − 0.95 | 0.0035 | |
| IS (Mpa*día) | ns | ns | |
| δ18O Mosto | Humedad de suelo (%) | − 0.74 | 0.0397 |
| Ψfb (MPA) | − 0.91 | 0.0116 | |
| IS (Mpa*día) | 0.93 | 0.0073 | |
| Vigor Bajo | |||
| δ18O Hoja | Humedad de suelo (%) | − 0.74 | 0.061 |
| Ψfb (MPA) | − 0.94 | 0.0019 | |
| IS (Mpa*día) | ns | ns | |
| δ18O. Mosto | Humedad de suelo (%) | − 0.82 | 0.0645 |
| Ψfb (MPA) | − 0.9 | 0.019 | |
| IS (Mpa*día) | 0.59 | 0.043 | |
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