- FOREST HEALTH NOTE
Grand fir is susceptible to damaging infestation in the lowland valleys of western Oregon and occasionally at noble fir, white fir, and red fir, but these species growing in their native range suffer no damage... Working Papers of the Finnish Forest.
- tuskmoth - pest note
Look For: After egg hatch in late May or early June, young larvae aggregate at the tops of trees and produce silk threads that are attached to foliage... Working Papers of the Finnish Forest Research Institute 11 http://www.
- tuskmoth - pest note
Look For: After egg hatch in late May or early June, young larvae aggregate at the tops of trees and produce silk threads that are attached to foliage... Working Papers of the Finnish Forest Research Institute 11 http://www.
- Balsam and Alpine Fir as Acceptable Regeneration Species
The Forest Area Manager approves fir as an acceptable species for Procedure Requirements for Use of Balsam and Alpine Fir as Acceptable Species Disposition holders may use fir to reforest cutblocks when it was a prevalent species (equal to or greater.
- Budbreak and late winter injury in exotic firs
Discussion Trees native to colder regions are cold hardy at lower temperatures but have a reduced chilling requirement for budbreak, resulting in early budbreak in the spring (Howe et al... Working Papers of the Finnish Forest Research Institute 11.
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