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Epidemiological insights into Armillaria mellea root rot in a managed Ponderosa pine forest

Creator:: Shaw, Charles G. (Charles Gardner) 1948-
Abstract:: Root rot of ponderosa pine caused by Armillaria mellea was studied in a pine forest that had been under management for 30 years in Klickitat County, Washington. Information sources included disease survey, detailed observation and description of specific disease situations, and examination of roots in situ and removed. Roughly circular...
Resource Type:: Dissertation
Full Text:: observation and description of specific disease situations, and examination of roots in situ and removed

Epidemiology of Lophodermella morbida in plantations of ponderosa pine in western Oregon

Creator:: Harvey, George M.
Abstract:: In 1967, Lophodermella morbida Staley and Bynum, a recently described hypodermataceous needle-cast fungus, became destructively epidemic in a knobcone pine (Pinus attenuata Lemm.) plantation in Del Norte County, California, and in several ponderosa pine (P. ponderosa Laws.) plantations in western and southwestern Oregon. This thesis presents information on this currently...
Resource Type:: Dissertation
Full Text:: on unsuitable sites under climatic conditions favoring spread of the pathogen and disease

Fungal and bacterial associations in heart rots of Abies concolor (Gord. and Glend.) Lindl. and techniques for estimating damage in southwestern Oregon

Creator:: Aho, Paul E.
Abstract:: Infection courts for microorganisms invading white fir heartwood were determined to be primarily branches and basal wounds. Of 11 hymenomycetes isolated from infected trees, only four: Echinodontiurn tinctorium, Phellinus chrysoloma, Pholiota adiposa, and Hericium abietis were of major significance in terms of frequency of infection and damage caused. Two or...
Resource Type:: Dissertation
Full Text:: Disease Control, Region 6 and Rogue River National Forest personnel, whose assistance and cooperation

Growth and variability of Fomes pini in culture

Creator:: Park, Jai Young
Resource Type:: Masters Thesis
Full Text:: includes a brief historical dis- cussion of the disease and a 8tatetent of its economic importance. It is

Chemical applications for control of armillaria root rot of Ponderosa pine

Creator:: Filip, Gregory M.
Abstract:: Root rot caused by Armillariella mellea creates roughly circular disease centers of infected dead and dying trees in the younggrowth ponderosa pine forest under study. Research objectives concerning chemical control of the disease were: 1) to test the effectiveness of certain chemicals in protecting living pines adjacent to disease centers...
Resource Type:: Dissertation
Full Text:: stubs and snags of trees killed by the fungus within disease centers. The literature revealed the

Infection of stressed ponderosa pines by Armillariella mellea from indigenous and artificial inoculum sources

Creator:: Fuller, Lloyd Randolph
Abstract:: Armillariella mellea (Vahl. ex Fr. ) Karst. was grown aseptically in hazel stems (Corylus cornuta var. californica) which were used in the forest to infect 290 ponderosa pines (Pinus ponderosa Laws.) which had been "stressed" in five different manners plus two control groups. All trees were inoculated twice giving a...
Resource Type:: Dissertation
Full Text:: disease incidence and susceptibility. 65 22 Chi-square test of independence between rate of infection and

The significance of yellow stain associated with heart rot in the alpine fir, Abies lasiocarpa (Hook.) Nutt

Creator:: Engelhardt, Norman Thain
Resource Type:: Masters Thesis
Full Text:: for assistance and counsel during this investigation and for criticism of the manuscript

The physiology and pathology of Phytophthora lateralis on native Chamaecyparis lawsoniana

Creator:: Trione, Edward John
Resource Type:: Dissertation
Full Text:: plot one and two n 1ngus Park • • • 81 Aver ge annual increase ot Ptz6o,hthora root disease in a 50

Survival and pathogenicity of Phytophthora cinnamomi Rands in forest soils

Creator:: Kuhlman, Elmer George, 1934-
Resource Type:: Dissertation
Full Text:: arid chinquapin proved more susceptible than their Asian counterparts and the disease spread

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:: this study may contribute to a better understanding of Porta weirii and the disease it causes, and

ScholarsArchive@OSU

Epidemiological insights into Armillaria mellea root rot in a managed Ponderosa pine forest

Epidemiology of Lophodermella morbida in plantations of ponderosa pine in western Oregon

Fungal and bacterial associations in heart rots of Abies concolor (Gord. and Glend.) Lindl. and techniques for estimating damage in southwestern Oregon

Growth and variability of Fomes pini in culture

Chemical applications for control of armillaria root rot of Ponderosa pine

Infection of stressed ponderosa pines by Armillariella mellea from indigenous and artificial inoculum sources

The significance of yellow stain associated with heart rot in the alpine fir, Abies lasiocarpa (Hook.) Nutt

The physiology and pathology of Phytophthora lateralis on native Chamaecyparis lawsoniana

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

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