Use of synthetic pheromones for the control of spruce bark beetle in a heavily infested Norway spruce stand
The dying-off of more trees in an over-aged Norway spruce ( (L.) H. Karst.) stand caused by -bark beetles was reduced by a pheromone preparation, ipslure. 20 preparations placed in trapping bolts captured more than 13,700 specimens of and Sahlb., which alone corresponded to a saving of f...
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Finnish Society of Forest Science
1980-01-01
|
| Series: | Silva Fennica |
| Online Access: | https://www.silvafennica.fi/article/5074 |