Table 2 Mean plant water potential at Homeb for the different species. (Means for Vachellia erioloba are significant at P < 0.05)
Species | Plant water potentials (MPa) | ||
|---|---|---|---|
Pre-dawn | Midday | Diurnal range | |
Vachellia erioloba (7) | −1.78 ± 0.64 | −2.11 ± 0.55 | −0.34 ± 0.13 |
Faidherbia albida (2) | −1.05 ± 0.07 | −1.75 ± 0.07 | −0.70 ± 0.14 |
Euclea pseudebenus (2) | −1.50 ± 0.00 | −3.05 ± 0.45 | −1.55 ± 0.64 |
Tamarix usneoides (1) | −2.20 | −3.20 | −1.00 |
all (12) | −1.65 ± 0.58 | −2.30 ± 0.68 | −0.65 ± 0.52 |