Frost hardiness development and lignification of young Norway spruce seedlings of southern and northern Finnish origin.
Seedlings from four Norway spruce ( (L.) H. Karst.) stands originating from areas with effective temperature sums ranging from 710 d.d. to 1,150 d.d. were raised under artificial light and temperature treatment. After a 10-week growing period the hardening process was started by subjectin...
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| Format: | Article |
| Language: | English |
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Finnish Society of Forest Science
1993-01-01
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| Series: | Silva Fennica |
| Online Access: | https://www.silvafennica.fi/article/5497 |