Table II. Statistical analysis of VCs measured in the same stem undergoing four cycles of cavitation-refilling and VC measurements with 0.1 m KCl and 0.01 m CaCl2 solutions.
Significance tests focus on the impact of salts (KCl versus CaCl2) used for the flush. Tx represents the tension at which certain PLC was caused (10, 20,…90). The values are means ± se of seven samples using 0.1 m KCl solution and six samples using 0.01 m CaCl2 solution. Significance levels (testing the impact of solution at any PLC): *P < 0.05.
| PLC | First VC |
Second VC |
Third VC |
Fourth VC |
||||
|---|---|---|---|---|---|---|---|---|
| Tx (KCl) | Tx (CaCl2) | Tx (KCl) | Tx (CaCl2) | Tx (KCl) | Tx (CaCl2) | Tx (KCl) | Tx (CaCl2) | |
| 10 | 1.38 ± 0.13 | 1.41 ± 0.11 | 0.38 ± 0.04 | 0.46 ± 0.05 | 0.48 ± 0.02 | 0.35 ± 0.03* | 0.56 ± 0.04 | 0.50 ± 0.03 |
| 20 | 1.64 ± 0.11 | 1.66 ± 0.10 | 0.54 ± 0.05 | 0.63 ± 0.07 | 0.67 ± 0.02 | 0.52 ± 0.04* | 0.75 ± 0.05 | 0.69 ± 0.05 |
| 30 | 1.82 ± 0.10 | 1.84 ± 0.09 | 0.68 ± 0.06 | 0.77 ± 0.09 | 0.81 ± 0.03 | 0.66 ± 0.05* | 0.90 ± 0.05 | 0.86 ± 0.06 |
| 40 | 1.98 ± 0.09 | 2.00 ± 0.08 | 0.81 ± 0.07 | 0.90 ± 0.10 | 0.95 ± 0.04 | 0.79 ± 0.06* | 1.04 ± 0.06 | 1.00 ± 0.07 |
| 50 | 2.12 ± 0.07 | 2.14 ± 0.07 | 0.93 ± 0.09 | 1.03 ± 0.11 | 1.08 ± 0.05 | 0.92 ± 0.07* | 1.17 ± 0.06 | 1.13 ± 0.08 |
| 60 | 2.27 ± 0.06 | 2.28 ± 0.05 | 1.07 ± 0.10 | 1.16 ± 0.13 | 1.22 ± 0.06 | 1.06 ± 0.08 | 1.31 ± 0.06 | 1.28 ± 0.09 |
| 70 | 2.42 ± 0.05 | 2.43 ± 0.04 | 1.22 ± 0.11 | 1.31 ± 0.14 | 1.38 ± 0.08 | 1.21 ± 0.09 | 1.45 ± 0.07 | 1.44 ± 0.10 |
| 80 | 2.59 ± 0.05 | 2.60 ± 0.03 | 1.40 ± 0.14 | 1.49 ± 0.16 | 1.56 ± 0.09 | 1.41 ± 0.11 | 1.63 ± 0.08 | 1.63 ± 0.11 |
| 90 | 2.83 ± 0.08 | 2.82 ± 0.02 | 1.67 ± 0.17 | 1.74 ± 0.18 | 1.82 ± 0.12 | 1.68 ± 0.13 | 1.87 ± 0.09 | 1.91 ± 0.13 |