Table 3.
Mean values (±SE) of embolism resistance parameters of the four P. halepensis provenances as measured by the Cavitron (subscript c) and bench (subscript b) drying methods.
| provenance | Pc,12 | Pb,12 | Pc,50 | Pb,50 | Pc,88 | Pb,88 | Slopec | Slopeb | Torus-aperture overlap |
|---|---|---|---|---|---|---|---|---|---|
| Senalba | -4.21 (±0.26) | -1.2 (±0.06)a | -5.04 (±0.24)a | -3.6 (±0.04)a | -5.9 (±0.3)a | -6.1 (±0.2)a | 61 (±11)a | 20.3 (±0.4)a | 2.31 (±0.06)a |
| Otricoli | -4.25 (±0.29) | -0.97 (±0.07)a | -5.08 (±0.28)a | -3.7 (±0.1)a | -5.9 (±0.4)a | -6.4 (±0.07)a | 63 (±12)a | 18.6 (±0.4)b | 2.50 (±0.08)a |
| Elea | -4.51 (±0.32) | -1.8 (±0.04)c | -5.27 (±0.34)ab | -4.5 (±0.08)c | -6.0 (±0.4)a | -7.2 (±0.06)c | 68 (±16)a | 18.6 (±0.3)b | 3.31 (±0.16)b |
| Elkosh | -4.36 (±0.33) | -1.5 (±0.06)b | -5.51 (±0.39)b | -4.2 (±0.09)b | -6.7 (±0.6)b | -6.8 (±0.1)b | 46 (±010)b | 18.7 (±0.3)b | 3.05 (±0.12)b |
| P-value | <0.2 | <0.001 | <0.02 | <0.001 | <0.02 | <0.001 | <0.002 | <0.005 | <0.004 |
P12, P50, and P88 indicate pressures causing 12, 50, and 88 percent loss of conductivity. Slope is at the inflection point of the vulnerability curve. Significant differences between means in each column are indicated by different lowercase letters.