Index Catalog // ScholarsArchive@OSU

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:: infected dead and dying trees in the young- growth ponderosa pine forest under study. Research objectives

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:: Discussion 87 V. Internal mycoflora of healthy and declining lateral roots of ponderosa pine on pumice

Anatomical studies of Pinus ponderosa Laws : infested by Elytroderma deformans (Weir) Darker

Creator:: Wirtz, Felicia Pietrykowski
Abstract:: Pine needle blight of Pinus ponderosa Laws. caused by Elytroderma deformans (Weir) Darker is recognized by changes in the needles, in the bark and in the development of the branches. Anatomical studies of the host-parasite relation have been made previously on young pine tissue up to four years of age...
Resource Type:: Dissertation
Full Text:: disease caused by this fungus is commonly known as pine needle blight. Seven species of two- and three

Physical factors affecting longevity and germination of seed of Western dwarfmistletoe (Arceuthobium campylopodum Engelm. f. campylopodum)

Creator:: Beckman, Kent Mardsen
Abstract:: Longevity and germination of seed of western dwarfmistletoe (Arceuthobium campylopodum Engelm. f. campylopodum) of ponderosa pine (Pinus ponderosa Laws.) was investigated to determine: 1) the influence of humidity and temperature on seed viability and deterioration during storage; 2) the physiology of seed dormancy; 3) the composition of seed reserve food...
Resource Type:: Dissertation
Full Text:: pine (Il3"" ponderosa Laws. ) was investigated to determine: I) the influence of humidity and

Distribution and Ecological roles of arthropods in dead woody materials of ponderosa pine forests, northern California

Creator:: Lemieux, Jeffrey P.
Abstract:: This dissertation describes arthropod responses to and effects on decay processes in ponderosa pine, a dominant forest canopy tree in northern California. We used both descriptive and experimental field techniques to establish how arthropod assemblages depend on and are important to the disintegration of woody structures in forests of this...
Resource Type:: Dissertation
Full Text:: traps placed within and on the outsides of fallen, large old ponderosa pine trees to establish the

Geographic variation in central Oregon ponderosa pine (Pinus ponderosa Laws.) : seed germination; seed, wing, and cone morphology; seed color

Creator:: Weber, John C., 1948-
Abstract:: Geographic variation was investigated among 225 locations from five geographically disjunct regions in central Oregon. Characters included: germination speed and uniformity in two test environments differing in stratification period and incubation temperature; weight, three dimensions and three 'angles' of seeds; weight and three dimensions of wings; cone length and scale...
Resource Type:: Dissertation
Full Text:: in Central Oregon Ponderosa Pine (Pinus Ponderosa Laws.): Seed Germination; Seed, Wing and Cone

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:: trees on A. mellea- infected and noninfected plots. Ponderosa pine stocking by size class on infected

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:: LOPHODERMELLA MORBIDA IN PLANTATIONS OF PONDEROSA PINE IN WESTERN OREGON Redacted for privacyAbstract approved

Soil-vegetation relationships withing the ponderosa pine type in the central Oregon pumice region

Creator:: Dyrness, C. T.
Resource Type:: Dissertation
Full Text:: WITHIN THE PONDEROSA PINE TYPE Tl Central Oregon Pumice Region The eco10 and 2oi18 of t1 forested

Response of ponderosa pine forests in central Oregon to prescribed underburning

Creator:: Landsberg, Johanna Dobrot
Abstract:: Tree growth and soil nutrient responses to prescribed underburning were determined for a period of up to 12 years at four sites in northcentral and central Oregon ponderosa pine stands (Pinus ponderosa Dougl. ex Laws). Differences reported are significant at a = 0.10. During the first 4-growing-season-measurement period after underburning,...
Resource Type:: Dissertation

ScholarsArchive@OSU

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

Anatomical studies of Pinus ponderosa Laws : infested by Elytroderma deformans (Weir) Darker

Physical factors affecting longevity and germination of seed of Western dwarfmistletoe (Arceuthobium campylopodum Engelm. f. campylopodum)

Distribution and Ecological roles of arthropods in dead woody materials of ponderosa pine forests, northern California

Geographic variation in central Oregon ponderosa pine (Pinus ponderosa Laws.) : seed germination; seed, wing, and cone morphology; seed color

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

Soil-vegetation relationships withing the ponderosa pine type in the central Oregon pumice region

Response of ponderosa pine forests in central Oregon to prescribed underburning

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