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 five old tre...
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| Hlavní autoři: | , |
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| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
Finnish Society of Forest Science
1980-01-01
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| Edice: | Silva Fennica |
| On-line přístup: | https://www.silvafennica.fi/article/5074 |
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