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Douglas-fir needle midges : determining a spray schedule through use of the midge trap

Creator:: Oregon State University. Extension Service and Sander, Gary H.
Abstract:: Published April 1969. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: are delicate, orange, two-winged flies about one-eighth inch long; females are stout and Doi4las-fir

Properties of white-pocket douglas-fir lumber

Creator:: Wood, Lyman Wentsch, 1899- and Forest Products Laboratory (U.S.)
Abstract:: Information reviewed and reaffirmed October 1960.
Resource Type:: Technical Report
Full Text:: PROPER-FEES OF WHITE-POCKET DOUGLAS-FIR *UMBER Information Reviewed and Reaffirmed October 1960 No

Survival and pathogenicity of Phytophthora cinnamomi Rands in forest soils

Creator:: Kuhlman, Elmer George, 1934-
Resource Type:: Dissertation
Full Text:: of Douglas-fir seedlings rown in uninfested soil (left) and infested soil (rir:.t)at2O°C

Poria weirii root rot of Douglas-fir : survival of the pathogen and infection of the host

Creator:: Nelson, E. E.
Resource Type:: Dissertation
Full Text:: commercial forest land in the Douglas -fir subregion of the Pacific Northwest (Washington and Oregon

Detection, identification and control of Poria carbonica and other fungi in Douglas fir poles

Creator:: Ricard, Jacques Louis
Resource Type:: Dissertation
Full Text:: CARBONICA AND OTHER FUNGI IN DOUGLAS FIR POLES by JACQUES LOUIS RICARD A THESIS submitted to OREGON

Interactions between paired cultures as a basis for differentiating compatibility genotypes of Fomes cajanderi Karst. from glaze-damaged Douglas-fir

Creator:: Adams, David Howard
Abstract:: A study was undertaken to determine the reliability of the formation of a line of demarcation between paired cultures of Fomes cajanderi Karst. as an indicator of dissimilar compatibility genotypes. The results were applied to an assay of the number and location of compatibility genotypes in each of four glaze-damaged,...
Resource Type:: Masters Thesis
Full Text:: - DAMAGED DOUGLAS -FIR INTRODUCTION Western Oregon and Washington, often spoken of as the Douglas

The effects of balsam woolly aphid infestations on wood anatomy of true firs

Creator:: Doerksen, Allan Harold
Abstract:: Three species of true firs in the Pacific Northwest--Abies gran-dis, grand fir; A. amabilis, Pacific silver fir; and A. lasiocarpa, subalpine fir--are severely damaged or killed by an imported insect pest, the balsam woolly aphid (Chermes (Adelges) piceae Ratz.), Infestations of this insect cause abnormalities in the wood and, in...
Resource Type:: Masters Thesis
Full Text:: Canada about 1900 and has since rnoved to fir stands in Oregon and Washington (1, p. 5; 8, p. 794

The biology of the balsam woolly aphid, Chermes piceae Ratz., in Oregon and Washington and the identification and evaluation of its native predators

Creator:: Mitchell, Russel Gene
Resource Type:: Dissertation
Full Text:: Pacific Northwest. The most frequently infested hosts in Oregon and Washington are subalpine fir, Abies

Blossom-end rot of tomatoes [1968]

Creator:: Oregon State University. Extension Service, Duncan, Andrew A., and MacSwan, Iain C.
Abstract:: Published March 1968. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: , Extension Vegetable Production Specialist, and lAIN C. MACSWAN, Extension Plant Pathologist Oregon State

Coniothyrium rose canker in Oregon

Creator:: Intrama, Siriphong
Abstract:: An isolate of Coniothyrium obtained from a stem canker on Nocturne rose from the Botany Department Farm, Corvallis, Oregon was studied with respect to morphological and cultural characters, pathogenicity and mineral nutrition. The hyphae of the isolate were smooth, septate and branched. The hyphal cells averaged 16.37 X 3.52 microns....
Resource Type:: Dissertation

ScholarsArchive@OSU

Douglas-fir needle midges : determining a spray schedule through use of the midge trap

Properties of white-pocket douglas-fir lumber

Survival and pathogenicity of Phytophthora cinnamomi Rands in forest soils

Poria weirii root rot of Douglas-fir : survival of the pathogen and infection of the host

Detection, identification and control of Poria carbonica and other fungi in Douglas fir poles

Interactions between paired cultures as a basis for differentiating compatibility genotypes of Fomes cajanderi Karst. from glaze-damaged Douglas-fir

The effects of balsam woolly aphid infestations on wood anatomy of true firs

The biology of the balsam woolly aphid, Chermes piceae Ratz., in Oregon and Washington and the identification and evaluation of its native predators

Blossom-end rot of tomatoes [1968]

Coniothyrium rose canker in Oregon

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