Index Catalog // ScholarsArchive@OSU

Oregon vegetable digest ; Vol. 19 No. 1

Creator:: Oregon State University. Agricultural Experiment Station, Baggett, James R., and Crowell, H. H.
Abstract:: Published January 1970. 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:: Other
Full Text:: developments in breeding, insect and disease control, fertilizers and spac- ing, harvesting and marketing. Dr

Spray schedule for home orchards [1970]

Creator:: Oregon State University. Cooperative Extension Service, MacSwan, Iain C., and Every, R. W.
Abstract:: Published March 1970. A newer revision exists. 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:: Other
Full Text:: controlling the in- sects and diseases listed on the label. To get good pest control, thorough spray coverage

Detection of dwarf mistletoe in young-growth ponderosa pine from color aerial photography

Creator:: Hann, David W.
Abstract:: The purpose of this study was to determine if infection levels of dwarf mistletoe on ponderosa pine could be detected with color aerial photography. The photography was taken in early September using Kodak Ektachrome Infrared Aero and Ektachrome Aero films at scales of 1/4000, 1/2000, and 1/1000. Ground truth consisted...
Resource Type:: Masters Thesis

Oregon vegetable digest ; Vol. 19 No. 2

Creator:: Oregon State University. Agricultural Experiment Station, Frazier, W. A., Varseveld, George, Baggett, James R., Mack, H. J., Vaughan, E. K., Rodgers, J. B., Booster, Dean E., Hay, James R., Duncan, Andrew A., and Pfleger, F. L.
Abstract:: Published April 1970. 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:: Other
Full Text:: eliminate moisture, nu- tritional, weed, insect, and disease stress for highest yields and quality. Through

Parasites and predators of Dendroctonus ponderosae Hopkins (Coleoptera : Scolytidae) in ponderosa pine

Creator:: Billings, Ronald F.
Abstract:: The bark beetle Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae) has caused severe mortality in recent decades to young stands of ponderosa pine in the western United States. Insect parasites and predators, believed to be of importance in the population dynamics of the beetle, were the subject of the thesis research, conducted...
Resource Type:: Masters Thesis

The parasite complex of the pea aphid, Acyrthosiphon pisum (Harris) on alfalfa in western Oregon

Creator:: Dickie, Alfred Gordon
Abstract:: This study was initiated in the Spring of 1966 for the purpose of determining the present status and effectiveness of imported parasitic wasps of the pea aphid in the Willamette Valley of western Oregon. The pea aphid is a serious pest throughout the pea and alfalfa growing regions of the...
Resource Type:: Masters Thesis
Full Text:: pest throughout the pea and alfalfa growing sections of the United States and Canada. Plants attacked

Treatment of June yellows and witches'-broom in strawberry with oxytetracycline

Creator:: Huhtanen, Dianne Carol
Abstract:: Strawberry plants infected with June yellows and witches'-broom disease were grown in a mist chamber and treated with varying concentrations of oxytetracycline. Treatment with 50 ppm oxytetracycline produced phytotoxicity effects in strawberries infected with June yellows. However, treatment with 10 ppm oxytetracycline resulted in a significant (one percent level) increase...
Resource Type:: Masters Thesis
Full Text:: on shoot number and leaf areas of strawberry plants infected with witches' -broom disease. 32 5 The

The partial purification-characterization of bean yellow mosaic virus

Creator:: Chairez, Ruben and Chairez, Ruben, 1942-
Abstract:: Factors limiting effective extraction and purification of bean yellow mosaic virus (BYMV) were investigated. Since the use of published techniques for purifying BYMV resulted in low yields of partially purified virus, an improved method for partial purification of this virus was developed. The following treatments of infectious crude extract decreased...
Resource Type:: Dissertation
Full Text:: disease. Grogan and Walker (40) showed that this virus, called bean yellow mosaic virus, was a distinct

Degradation of phenolic components of Douglas-fir bark by fungi

Creator:: Ross, William David, 1937-
Resource Type:: Dissertation
Full Text:: the location and general nature of cell wall lignin are described for Douglas-fir bark. Fungal

The influence of pre-harvest killing of western hemlock on subsequent stump invasion by Fomes annosus

Creator:: Laird, Peter Paul
Abstract:: This study concerns the effect of pre-harvest killing of commercial sized, forty year old western hemlock (Tsuga heterophylla (Raf.) Sarg.) on subsequent stump infection by Fomes annosus (Fr.) Karst. Further evaluations were made on tree drying, loosening of bark, wood deterioration and rate of crown and cambial death. Findings on...
Resource Type:: Dissertation

ScholarsArchive@OSU

Oregon vegetable digest ; Vol. 19 No. 1

Spray schedule for home orchards [1970]

Detection of dwarf mistletoe in young-growth ponderosa pine from color aerial photography

Oregon vegetable digest ; Vol. 19 No. 2

Parasites and predators of Dendroctonus ponderosae Hopkins (Coleoptera : Scolytidae) in ponderosa pine

The parasite complex of the pea aphid, Acyrthosiphon pisum (Harris) on alfalfa in western Oregon

Treatment of June yellows and witches'-broom in strawberry with oxytetracycline

The partial purification-characterization of bean yellow mosaic virus

Degradation of phenolic components of Douglas-fir bark by fungi

The influence of pre-harvest killing of western hemlock on subsequent stump invasion by Fomes annosus

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