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- Title
Effectiveness of combinations of shelterwood, scarification, and feeding barriers to reduce pine weevil damage .
- Authors
Petersson, Magnus; G ran rlander
- Abstract
Investigates the single and combined effects of shelterwood, soil scarification, and feeding barriers on pine weevil (Hylobius abietis L.) damage to Norway spruce (Picea abies (L.) Karst.) seedlings in southern Sweden. Seedlings that were planted on four different sites, each consisting of two plots, one clearcut and one with shelterwood; Plots that were each subdivided into two parts, one scarified and one left untreated; Seedlings that were protected with insecticide or feeding barriers or left as unprotected controls; Damage-reducing effects of shelterwood, scarification, and physical protection that were additive; Order of effectiveness of the individual measures for reducing damage by pine weevils that was insecticide, scarification, physical protection, and shelterwood; Scarification that reduced pine weevil damage equally well on clearcuts as in shelterwoods; Effects of scarification that were more long lasting in shelterwoods.
- Subjects
SWEDEN; HYLOBIUS abietis; SEEDLINGS; INSECTICIDES
- Publication
Canadian Journal of Forest Research, 2003, Vol 33, Issue 1, p64
- ISSN
0045-5067
- Publication type
Article
- DOI
10.1139/x02-156