







Reference values for analyzed physical and structural indices of common walnut_Tabelle 1_ Referenzwerte für die analysierten physikalischen und strukturellen Kennwerte von Walnuß_
| Wood property | Range (minimum/average/maximum) | Source of information/author’s sampling | |
|---|---|---|---|
| MC (%) | -/-/105 | Vorreiter, 1963 | |
| BD (g · cm-3) | -/0.52/- | *** 2014 | |
| L*(%) | 57.4/39.5 | ||
| a* | 10.9/21.1 | Teischinger et al., 2012 | |
| b* | 24.7/49.9 | The two values define untreated(dry)/wetted surface | |
| C* | 27.1/54.4 | ||
| h | 66.1/67.0 | ||
| SW | -/87/- | ||
| L* (%) | TZ | -/82/- | |
| HW | -/52-60/- | ||
| Burtin et al., 1998 | |||
| SW | -/18/- | Age of trees: 17 years. Measurements performed on radial section, at 0.15 m height, in heartwood (HW), transition zone (TZ) and sapwood (SW) | |
| C* | TZ | -/21/- | |
| HW | -/18-20/- | ||
| SW | -/74/- | ||
| h | TZ | -/70/- | |
| HW | -/63-68/- | ||
| SW | 48/55/64 | ||
| L* (%) | TZ | 46/50/53 | |
| HW | 36/47/57 | ||
| SW | 6.2/9.4/12.4 | ||
| a* | TZ | 9.2/10.7/12.3 | Control sample, see the text |
| HW | 5.6/7.1/10.2 | ||
| SW | 17.3/23.1/26.6 | ||
| b* | TZ | 19.3/22.2/25.7 | |
| HW | 14.8/17.9/20.9 |
The range of color in radial stratification of examined material_Tabelle 5_ Variationsbereich der Farbe bei radialer Stratifikation des analysierten Materials_
| Variable | Heartwood | Transition from sapwood | Sapwood |
|---|---|---|---|
| Hingespread (1st quartile to 3rd quartile) | |||
| L* | 56.65–75.53 | 78.09–83.73 | 83.25–86.37 |
| a* | 3.09–4.77 | 1.76–3.04 | 0.42–1.38 |
| b* | 15.99–19.70 | 18.53–20.22 | 18.79–21.00 |
| h | 74.54–80.42 | 81.20–84.87 | 85.73–88.48 |
| C* | 16.59–19.95 | 18.67–20.33 | 18.83–21.00 |
Statistical significance of the influence of some factors on the indicators_Tabelle 3_ Signifikanz-Analyse bezüglich des Einflusses unterschiedlicher Faktoren auf die analysierten Kennwerte_
| Variables | Factors (independent discrete variables) | |||
|---|---|---|---|---|
| Tree | Height’s cross section | Radius | Segment on radius* | |
| H statistic from Kruskall-Wallis test/p probability** | ||||
| RW | 39.11/<0.001 | 27.03/0.001 | 14.75/0.002 | - |
| HP | 7.93/0.09 | 22.90/0.004 | - | - |
| MC | 41.68/<0.001 | 8.23/0.31 | - | 3.80/0.05 |
| BD | 17.50/0.002 | 7.34/0.39 | 13.14/<0.001 | 9.56/0.008 |
| L* | 31.55/<0.001 | 68.76/<0.001 | 1.27/0.74 | 141.72/<0.001 |
| a* | 33.08/<0.001 | 75.16/<0.001 | 1.39/0.71 | 158.80/<0.001 |
| b* | 3.23/0.52 | 16.64/0.02 | 0.52/0.92 | 33.4/<0.001 |
| h | 29.18/<0.001 | 61.78/<0.001 | 1.50/0.68 | 159.28/<0.001 |
| C* | 3.33/0.50 | 15.65/0.03 | 0.38/0.94 | 21.90/<0.001 |
Descriptive statistics of non-stratified distributions of analyzed indices_Tabelle 2_ Descriptive Statistik der nicht-stratifizierten Verteilung der analysierten Kennwerte_
| Variable | Mean | Median | Minimum | Maximum | Coefficient of variation (%) | W/ p* |
|---|---|---|---|---|---|---|
| RW (mm) | 3.00 | 2.72 | 0.098 | 24.45 | 55.34 | 0.94/0.061 |
| HP (%) | 2.81 | 0 | 0 | 15.15 | 142.64 | 0.74/<0.001 |
| MC (%) | 78.34 | 73.97 | 22.48 | 192.28 | 41.34 | 0.92/<0.001 |
| BD (g · cm–3) | 0.520 | 0.515 | 0.416 | 0.684 | 9.04 | 0.97/<0.01 |
| L* (%) | 79.62 | 83.06 | 51.14 | 87.95 | 11.39 | 0.75/<0.05 |
| a* | 1.96 | 1.72 | –4.94 | 6.96 | 84.58 | 0.97/<0.05 |
| b* | 19.47 | 19.35 | 14.28 | 38.61 | 11.55 | 0.83/<0.05 |
| h | 83.76 | 84.71 | 70.00 | 89.97 | 5.53 | 0.93//<0.001 |
| C* | 19.64 | 19.45 | 14.54 | 38.92 | 11.21 | 0.82/<0.001 |
Statistical coverage of differences between the wood in the transition zone and the wood in the other two radial zones_Tabelle 4_ Vergleichende Analyse zwischen dem Holz der Übergangszone und dem Holz in den anderen beiden radialen Zonen_
| Variable | Comparison with heartwood | Comparison with sapwood |
|---|---|---|
| Probabilities (significance level 0.05) | ||
| BD | 0.95 | 0.13 |
| L* | <0.001 | <0.001 |
| a* | <0.001 | <0.001 |
| b* | <0.001 | 0.20 |
| h | <0.001 | <0.001 |
| C* | <0.001 | 0.59 |