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Decay of Sitka spruce with reference to detection of extent of actual decay beyond apparent incipient decay

Creator:: Tryon, Earl H. (Earl Haven)
Resource Type:: Masters Thesis
Full Text:: effect on the wood. Sitka spruce lumber with stained areas was collected at 5 mills in Oregon and

Tree Physiological, Physical, and Chemical Characteristics Related to Spruce Beetle Colonization: Engelmann versus Blue Spruce

Creator:: Ott, Daniel S.
Abstract:: Blue spruce (Picea pungens) and Engelmann spruce (Picea engelmannii) experience varying levels of spruce beetle (Dendroctonus rufipennis (Kirby)) colonization, yet the underlying differences and mechanisms resulting in lower colonization for blue spruce are not known. Both spruce species have important roles in subalpine ecosystems where examining changes in mortality, distribution,...
Resource Type:: Dissertation
Full Text:: . Title: Tree Physiological, Physical, and Chemical Characteristics Related to Spruce Beetle

The significance of visible pathological indicators in estimating the extent of decay in a spruce-balsam forest

Creator:: Ford, Barrie
Resource Type:: Masters Thesis

Common insect pests and diseases of Sitka spruce on the Oregon coast

Creator:: Reeb, J. E. (James Edmund), 1951-, Shaw, David Carl, 1955-, and Oregon State University. Extension Service
Abstract:: Publication examines the wide variety of insect pests, diseases and environmental conditions that can affect Sitka Spruce along the coastline of Oregon.
Resource Type:: Technical Report
Full Text:: pest of Sitka spruce in forest plantations. The weevil repeatedly infests and kills the leader of the

Hazard rating system for spruce weevil (Pissodes strobi) in Sitka spruce in the northern Oregon Coast Range

Creator:: Lysak, Teresa
Abstract:: The spruce weevil (Pissodes strobi) is a serious pest of Sitka spruce in Oregon. Weevils cause damage by killing the leader of a tree, resulting in defects such as crooks and forks that can render the tree unmerchantable. In this study, spruce stands 16-25 years old were surveyed for weevil...
Resource Type:: Masters Thesis
Full Text:: serious pest of Sitka spruce in Oregon. Weevils cause damage by killing the leader of a tree, resulting

Nursery conifer diseases : evaluation of Benomyl to control root disease of Engelmann spruce seedlings

Creator:: Williams, Ralph E. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The benomyl fungicide, rersan, applied at 7 and 14 pounds active ingredient per acre, on April 26 and July 25, 1973, was ineffective in reducing mortality in 2-0 Engelmann spruce seedlings derived from two different seed sources growing in three different nursery sections at the USFS Coeur d'Alene Nursery. Percent...
Resource Type:: Technical Report
Full Text:: ROOT DISEASE 1/OF ENGELMANN SPRUCE SEEDLINGS — • by Ralph E. Williams, Plant Pathologist Forest

Sirococcus strobilinus on containerized Engelmann spruce seedlings at the Coeur d'Alene Nursery, Idaho

Creator:: James, Robert L. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Resource Type:: Technical Report
Full Text:: 1973; Srago 1978) and spruce (Magasi et al. 1975). Less well known is a seedborne disease caused by S

Insect enemies of the spruce in the Northeast : a popular account of results of special investigations, with recommendations for preventing losses

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: of the first and most characteristic indications of the presence of this pest in the living spruce

Pathogenicity of Alternaria alternata on young Douglas-fir and Engelmann spruce germlings

Creator:: James, Robert L., Woo, John You, and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: -FIR AND ENGELMANN SPRUCE GERMLINGS e by R. L. James 1/ Plant Pathologist • • and INTRODUCTION

Engelmann spruce needle and twig blight at the Coeur d'Alene Nursery, Idaho

Creator:: James, Robert L. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: • 1 Forest • Insect & Disease • Management Needle and twig

ScholarsArchive@OSU

Decay of Sitka spruce with reference to detection of extent of actual decay beyond apparent incipient decay

Tree Physiological, Physical, and Chemical Characteristics Related to Spruce Beetle Colonization: Engelmann versus Blue Spruce

The significance of visible pathological indicators in estimating the extent of decay in a spruce-balsam forest

Common insect pests and diseases of Sitka spruce on the Oregon coast

Hazard rating system for spruce weevil (Pissodes strobi) in Sitka spruce in the northern Oregon Coast Range

Nursery conifer diseases : evaluation of Benomyl to control root disease of Engelmann spruce seedlings

Sirococcus strobilinus on containerized Engelmann spruce seedlings at the Coeur d'Alene Nursery, Idaho

Insect enemies of the spruce in the Northeast : a popular account of results of special investigations, with recommendations for preventing losses

Pathogenicity of Alternaria alternata on young Douglas-fir and Engelmann spruce germlings

Engelmann spruce needle and twig blight at the Coeur d'Alene Nursery, Idaho

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