Uptake rate of trunk injections in four resinous coniferous species injected in winter (March) or in spring (June) in relation to the injector size.
| Species | No. trees | Injector size (mm) | Uptake after 24 hours* | |||
|---|---|---|---|---|---|---|
| March | June | |||||
| Mean | Range | Mean | Range | |||
| Pinus pinea | 10 | 7 | 2.8 | 0–5 | 1.9 | 0–5 |
| 6 | 1.7 | 0–5 | 2.5 | 0–5 | ||
| 4 | 0.3 | 0–3 | 0.5 | 0–2 | ||
| Pinus pinaster | 10 | 7 | 4.8 | 3–5 | 0.3 | 0–1 |
| 6 | 2.9 | 0–5 | 1.3 | 0–5 | ||
| 4 | 0.8 | 0–3 | 0.1 | 0–1 | ||
| Pinus halepensis | 10 | 7 | 3.7 | 0–5 | 2.4 | 0–5 |
| 6 | 1.0 | 0–4 | 0.8 | 0–1 | ||
| 4 | 0.4 | 0–3 | 0.3 | 0–1 | ||
| Pinus canariensis | 9 | 7 | 3.3 | 0–5 | 4.4 | 1–5 |
| 6 | 3.3 | 0–5 | 1.6 | 0–4 | ||
| 4 | 0.8 | 0–3 | 0.8 | 0–3 | ||
↵* Water volume uptake was measured on a scale 0 (0% water uptake) to 5 (100% water uptake). The table indicates mean and the minimum and maximum values within each species for each sample time.