Specialty Timbers New ZealandSearch technical reports
The decay resistance of six Eucalyptus species in stake and stakelet trials - 2024 Eucalyptus stake assessment results
By Diahanna O’Callahan, Jackie van der Waals, Carolina Gous, December 2024.
Specialty Timbers NZ report 012
2024 Eucalyptus stake assessment results have been made available to industry by Scion but funding was not available for Scion to produce a report.
| Group no. | Tree | Species | Index of Condition 1 |
|---|---|---|---|
| 8 years, 1 month exposure | |||
| 1 | 1 | E. bosistoana | 6.3 |
| 2 | 2 | E. bosistoana | 7.0 |
| 3 | 3 | E. bosistoana | 6.0 (1) 2 |
| 4 | 4 | E. bosistoana | 4.3 (2) |
| 5 | 5 | E. quadrangulata | 7.0 (1) |
| 6 | 6 | E. quadrangulata | 3.8 (3) |
| 7 | 7 | E. quadrangulata | 5.5 (1) |
| 8 | 8 | E. quadrangulata | 4.9 (1) |
| 9 | 9 | E. pilularis | 6.1 |
| 10 | 10 | E. pilularis | 4.1 (3) |
| 11 | 11 | E. pilularis | 6.1 |
| 12 | 12 | E. pilularis | 5.7 (1) |
| 13 | 13 | E. sphaerocarpa | 6.2 |
| 14 | 14 | E. sphaerocarpa | 6.2 |
| 15 | 15 | E. sphaerocarpa | 6.1 |
| 16 | 16 | E. sphaerocarpa | 4.8 (2) |
| 17 | 17 | E. globoidea | 5.5 (1) |
| 18 | 18 | E. globoidea | 3.8 (3) |
| 19 | 19 | E. globoidea | 5.5 (2) |
| 20 | 20 | E. globoidea | 4.6 (4) |
| 21 | 21 | E. muelleriana | 3.1 (6) |
| 22 | 22 | E. muelleriana | 4.6 (3) |
| 23 | 23 | E. muelleriana | 4.4 (3) |
| 24 | 24 | E. muelleriana | 4.5 (3) |
| 25 | - | P. radiata sapwood | Av. life 2.1 years |
| 26 | - | F. sylvatica heartwood | Av. life 2.1 years |
| 27 | - | P. radiata H3.2 | 8.9 |
| 28 | - | P. radiata H4 | 6.7 (1) |
1 Index of Condition is the average decay rating for all of the samples in a group.
2 Figures in brackets are number of stakes that have failed.
No posts yet
Add a post