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Filtering by: Creator Voss, Ronald Remove constraint Creator: Voss, Ronald Academic Affiliation Botany and Plant Pathology Remove constraint Academic Affiliation: Botany and Plant Pathology

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Seasonal pattern of secondary growth in stems of northern white spruce (Picea glauca (Moench) Voss)

Creator:

Gregory, Robert A.

Abstract:

Cambial activity in white spruce stems in Alaska was observed from April, 1964 to September, 1965 in over 300 samples taken from 50- to 60-year-old natural stands. Mitotic index was used as a measure of the rate of periclinal division of fusiform cells in the cambial zone. Anticlinal divisions are...

Resource Type:

Dissertation

Full Text:

white spruce (Picea glauca (moench) Voss)) AN ABSTRACT OF THE THESIS OF ROBERT AARON GREGORY for the
Decay caused by infection of Fomes cajanderi Karst : in top-broken, young-growth Douglas-fir trees

Creator:

Cahill, James M.

Abstract:

A glaze storm of exceptional severity was seen in the Corvallis area, January, 1942. The weight of ice that accumulated in the crowns of young-growth Douglas-fir trees caused widespread top breakage in many stands lying in the broad path of this storm. Early research on this phenomenon showed the majority...

Resource Type:

Masters Thesis

Full Text:

glauca (Moench)Voss). Adams and Roth (2) showed that genetically distinct mycelia of F. cajanderi can
Origin and differentiation of the seed cone of Pseudotsuga menziesii (Mirbel) Franco

Creator:

Owens, John N.

Resource Type:

Dissertation
Genome Organization in the Ectomycorrhizal Truffle Rhizopogon vesiculosus

Creator:

Lu, Dabao Sun

Abstract:

Rhizopogon vesiculosus is a common ectomycorrhizal (EM) symbiont of Pseudotusga menziesii (Douglas-fir) in the coast range of the Pacific Northwest. The species has been studied for its systematics, genet size, population structure, and competitive ability in several field and experimental studies. This thesis seeks to provide a more thorough characterization...

Resource Type:

Masters Thesis
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:

of A. mellea was 4% in Sitka spruce (Picea glauca (Moench)Voss), however, this increased to 15

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Academic Affiliation

Botany and Plant Pathology[remove]5

Advisor

Smith, Frank H.2
Roth, L.1
Roth, Lewis F.1
Spatafora, Joseph W.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1963 to 2017

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Committee Member

Grünwald, Niklaus J1
Myrold, David1
Smith, Jane E.1

Creator

Cahill, James M.1
Fuller, Lloyd Randolph1
Gregory, Robert A.1
Lu, Dabao Sun1
Owens, John N.1

Date

Date range begin – Date range end

Current results range from 1963 to 2016

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Decade

2010-20191
1980-19891
1970-19791
1960-19692

Degree Field

Botany and Plant Pathology4
Botany1

Degree Level

Doctoral3
Master's2

Degree Name

Doctor of Philosophy (Ph.D.)3
Master of Science (M.S.)2

Language

English [eng]5

License

All rights reserved1

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No5

Resource Type

Dissertation3
Masters Thesis2

Rights Statement

Copyright Not Evaluated4
In Copyright1

Subject

Bioinformatics1
Douglas fir1
Douglas fir -- Diseases and pests1
Ponderosa pine -- Diseases and pests1
Rhizopogon -- Evolution1
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