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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:: Morphology; Seed Color Abstract approved: Frank C. Sorensen Geographic variation was investigated among 225

Developmental mutants of Phaseolus vulgaris L.

Creator:: Shii, Chou Tou
Abstract:: Hybrids with abnormal development were obtained when particular genotypes of Phaseolus vulgaris L. were crossed. The phenotypic aberrations of the F₁s included retarded growth, chlorosis of the trifoliate leaves and the formation of adventitious roots on the hypocotyls. The expression of the abnormalities was dependent on the temperature. At high...
Resource Type:: Dissertation
Full Text:: Phaseolus vulgaris L. Abstract approved: __ Dr. David W. S. Mok Hybrids with abnormal

Dwarf mistletoe loss assessment on the Bitterroot and Lolo National Forests, Montana

Creator:: Dooling, Oscar J., Pye, Laurel Hilarie, 1952-, Eder, Robert G., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: 0 * IX UP CD :D UJ .4 Cc I . . •$ U CO Ul * • 4. CJ * 4 Ufl .L S.- .4 4 .1.14- J.- C. 41

Pressure trunk injections of potassium as a possible short term corrective measure for potassium deficiency in sweet cherry (Prunus avium L.) and prune (Prunus domestica L.)

Creator:: Robbins, Scott Hill
Abstract:: The effect of pressure trunk injections of K₂HPO₄, and K₂SO₄. solutions on the mineral content, growth, yield and fruit quality of sweet cherry and mineral content of prune were investigated. A complimentary study presented in Appendix 1, was conducted to evaluate the short term effectiveness of K soil amendments, mulching...
Resource Type:: Masters Thesis
Full Text:: Sweet Cherry (Prunus avium L.) and Prune (Prunus domestica L.) Abstract Approved: . M. H

Inheritance of resistance to head smut disease in maize (Zea mays L.)

Creator:: Akhtar, Ali
Resource Type:: Dissertation
Full Text:: Resistance to Head Smut Disease in Maize (Zea mays L. ) « Abstract approved: .. ..^,, ^.^-r

Calochortus howellii : ecology of a rare serpentine endemic, and comparison with the new species, C. umpquaensis (Liliaceae)

Creator:: Fredricks, Nancy Ann
Resource Type:: Masters Thesis
Full Text:: the New Species. C. umPouaensis (Liliaceae). Redacted for Privacy Abstract approved: Kenton L

Persistent infection of salmonid cell lines with infectious pancreatic necrosis virus : a model for the carrier state in trout

Creator:: Hedrick, Ronald Paul
Abstract:: Persistent infections with infectious pancreatic necrosis virus (IPNV) were established in two salmonid cell lines and in live brook trout. Virus inocula containing high concentrations of defective interfering IPNV enhanced but were not a requirement for the establishment of persistent infections in cell lines derived from steelhead trout (STE-137) and...
Resource Type:: Dissertation
Full Text:: CARRIER STATE IN TROUT Redacted for Privacy Abstract approved: Dr. L. Fry-,77 Persistent infections

Soil surface effects on soil water, soil temperature, and Douglas-fir seedling injury following radiation frost damage events

Creator:: Melton, Lisa L.
Abstract:: A microclimatology study was conducted on a high elevation clearcut near the summit of Mt. Ashland in southwest Oregon to evaluate the effects of frost on Douglas-fir seedling growth and survival. Frost and low temperatures cause seedling stress through frost damage, frost desiccation, increased root resistance, and decreased rates of...
Resource Type:: Masters Thesis
Full Text:: Douglas-fir seedling injury following radiation frost damage events AN ABSTRACT OF THE THESIS OF Lisa L

Measured and modeled energy balance parameters to evaluate the environmental conditions of reforestation

Creator:: Flint, Alan L.
Abstract:: In order to develop three models for use in quantifying the environmental conditions of reforestation, extensive measurements required for energy balance calculations were taken for a reforestation site in southwest Oregon. The models are used to decrease the number of measurements required to properly evaluate the potential for heat or...
Resource Type:: Dissertation
Full Text:: BALANCE PARAMETERS TO EVALUATE THE ENVIRONMENTAL CONDITIONS OF REFORESTATION by Alan L. Flint A THESIS

Employment experience and job satisfaction of new mothers

Creator:: Wolfe, Jerri L.
Abstract:: In spite of the high family demands associated with having an infant, an increasing number of women are choosing to retain close ties to the labor force during this period. This study explored the employment adjustments and job satisfaction of a group of women who became mothers for the first...
Resource Type:: Dissertation
Full Text:: Wolfe, Jerri L. AN ABSTRACT OF THE THESIS OF Jerri L

ScholarsArchive@OSU

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

Developmental mutants of Phaseolus vulgaris L.

Dwarf mistletoe loss assessment on the Bitterroot and Lolo National Forests, Montana

Pressure trunk injections of potassium as a possible short term corrective measure for potassium deficiency in sweet cherry (Prunus avium L.) and prune (Prunus domestica L.)

Inheritance of resistance to head smut disease in maize (Zea mays L.)

Calochortus howellii : ecology of a rare serpentine endemic, and comparison with the new species, C. umpquaensis (Liliaceae)

Persistent infection of salmonid cell lines with infectious pancreatic necrosis virus : a model for the carrier state in trout

Soil surface effects on soil water, soil temperature, and Douglas-fir seedling injury following radiation frost damage events

Measured and modeled energy balance parameters to evaluate the environmental conditions of reforestation

Employment experience and job satisfaction of new mothers

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