Abstract

The effectiveness of feeding barriers to protect seedlings against damage caused by pine weevil (Hylobius abietis) was evaluated in experiments established from 1995 to 1999 in southern Sweden. For this purpose the damage done to containerized seedlings protected by various types of barrier was evaluated, and compared with damage to untreated and insecticide ( permethrin)treated seedlings. Three types of feeding barrier that gave significant protection during the first 3 yrs were recognized: coating on the stem bark, shields with a collar at the top, and shields without a collar. The mean accumulated mortality caused by pine weevil for coatings (47%) and shields without a collar (59%) was significantly higher than the corresponding figure for permethrin treatment (13%), whereas shields with a collar (26%) did not differ significantly from the permethrin treatment in this respect. The highest mortality was found for untreated controls (87%)

Published in

Scandinavian Journal of Forest Research
2004, Volume: 19, number: 1, pages: 48-59
Publisher: TAYLOR & FRANCIS AS

SLU Authors

• Petersson, Magnus

  • Unit for Field-based Forest Research, Swedish University of Agricultural Sciences
    

• Nilsson, Urban

  • Southern Swedish Forest Research Centre, Swedish University of Agricultural Sciences
    

UKÄ Subject classification

Forest Science


Publication identifier

DOI: https://doi.org/10.1080/02827580310019554

Permanent link to this page (URI)

https://res.slu.se/id/publ/6143