Open Access
Table I
Wood quality criteria used for early selection in five countries. The number of breeders surveyed is between brackets. Only criteria and tools frequently used are listed.
| Country | Species | Criteria | Age | Operational |
|---|---|---|---|---|
| Australia (2) | Pinus radiata | Basic density (core) | 6–8 | Yes |
| Basic density (Pilodyn) | 6–8 | Occasional | ||
| MoE (Fakkop) | 6–8 | Yes | ||
| MoE, MFA (SilviScan) | 10–15 | Research | ||
| Chile (3) | Pinus radiata | Basic density (core) | 8 | Yes |
| MoE (TreeTap, Fakkop) | 8 | Occasional | ||
| Lignin content (NIR) | 8 | Occasional | ||
| New Zealand (1) | Pinus radiata | Basic density (core) | 7–8 | Yes |
| MoE (TreeTap) | 6–8 | Yes | ||
| MoE, MFA (SilviScan) | 15–20 | Research | ||
| Chemistry (NIR) | Various | Research | ||
| South Africa (1) | Pinus | Basic density (pilodyn) | 8 | Yes |
| Eucalyptus | Basic density (pilodyn) | 5 | Yes | |
| USA (2) | Pinus taeda | Basic density (core) | 8 | Yes |
| Pinus taeda | MoE (acoustics) | 8 | Occasional | |
| Pinus taeda | Wood chemistry (NIR) | 8 | Occasional | |
| Pinus elliottii | Basic density (core) | 8 | Yes |