Past infestations of the white pine weevil in naturally regenerated spruce stands

Bosque Modelo:

McGregor

Temática:

Gestión forestal

Tipo de documento:

Artículo científico

Resumen

Past infestations of the white pine weevil, Pissodes strobi (Peck), were reconstructed by examining standing and felled trees in naturally regenerated interior spruce stands in the McGregor Model Forest in northern B.C. Infestations were common in both the SubBoreal Spruce (SBS), wet cool (SBSwk) and very wet cool (SBSvk) biogeoclimatic subzones, demonstrating that frequent weeviling is a natural event that predates human intervention. Approximately one-third of all stem defects in 32 felled trees were verified as caused by the weevil. In the SBSwk and SBSvk 56.3% and 81.3% of felled trees contained weevil-caused defects, with 1.9 and 2.1 defects per tree, respectively. Trees in the SBSvk had significantly more weevil attacks high on the bole than trees in the SBSwk.

Información Bibliográfica

Autor:

Kimoto, TTM, RI Alfaro and JH Borden.

Revista:

Forestry Chronicle

Año:

2000

N°:

4

País :

Canadá

Páginas:

627 - 632

Volumen:

76

Idioma:

Ingles

Palabras claves

white pine weevil, Pissodes strobi, white spruce, Engelmann spruce, Picea engelmannii x P. glauca