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Double-stranded RNA isolated from grapevine affected by grapevine stem-pitting disease

Creator:: Walter, Michael H.
Abstract:: Nucleic acid extracted from dormant cane phloem of grapevines affected by grapevine stem-pitting disease (SP) formed a high molecular weight (MW) band on 1.0% and 0.8% agarose gels. The band was unique to diseased vines. Other bands appeared from samples of both diseased and virus-free vines, but did not associate...
Resource Type:: Masters Thesis
Full Text:: grapevine stem-pitting disease AN ABSTRACT OF THE THESIS OF Michael H. Walter for the degree of Master of

Effects of grazing and nitrogen enrichment on the taxonomic structure of periphyton assemblages in lotic ecosystems

Creator:: Lundberg, Chris H.
Resource Type:: Masters Thesis
Full Text:: structure of periphyton assemblages in lotic ecosystems AN ABSTRACT OF THE THESIS OF Chris H. Lundberg

Tree vigor and the susceptibility of Douglas-fir to armillaria root disease

Creator:: Rosso, Pablo H.
Abstract:: The main objective of this thesis was to determine the influence of tree vigor on susceptibility to Armillaria root disease. First, the effect of thinning, fertilizing and pruning on tree vigor of four young Douglas-fir (Pseudo tsuga menziesii var. menziesi,) plantations was explored. Tree vigor was calculated by measuring wood...
Resource Type:: Masters Thesis

The detection of ilarvirus (subgroup B) by enzyme-linked immunosorbent assay

Creator:: McMorran, Jeffrey P.
Abstract:: The reliability and sensitivity of enzyme-linked immunosorbent assay (ELISA) in the detection of ilarvirus (isometric labile ringspot virus) subgroup B and prune dwarf virus (PDV) isolates in Prunus and Malus species has been well established. To use this technique in large scale virus indexing programs more information was required on...
Resource Type:: Masters Thesis
Full Text:: Enzyme-linked Immunosorbent Assay Abstract approved: Redacted for Privacy H. Ronald Cameron The

Transcript analysis of Feldmannia Sp. virus, FsV : characterization of the major capsid protein gene and its relationship to known viruses

Creator:: Jia, Yibing
Abstract:: The Feldmannia sp. virus is a large icosahedral virus that persistently infects marine brown alga Feldmannia sp.. So far, there is no information available about viral genome replication, gene structure and gene expression in this unique viral-host system. The purpose of this study was to characterize the general features of...
Resource Type:: Masters Thesis
Full Text:: Capsid Protein Gene and Its Relationship to Known Viruses Abstract approved: Russel H. eints The

Rhizoctonia of the potato

Creator:: Corsaut, Jesse Harrison
Resource Type:: Masters Thesis
Full Text:: Rhizoctonia of the potato T H E S I S On RHIZOCTONIA

The Influence of Nitrogen Fertility on Hop Quality, Pest Management, and the Stability of Biological Control

Creator:: Iskra, Anne E.
Abstract:: A multi-year field study was conducted in Oregon and Washington to evaluate the influence of nitrogen fertilization rate and timing on cone quality, nitrate accumulation in cones, severity of powdery mildew (caused by Podosphaera macularis), arthropod pests, and the stability of conservation biological control of the twospotted spider mite (Tetranychus...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ David H. Gent A multi-year field study was conducted in Oregon and Washington to

Studies on the bacterial gummosis of stone fruits

Creator:: Van Gundia, Gordon Keller
Resource Type:: Masters Thesis
Full Text:: from the media in which it has been grown. a. Diffusion shell. h. Heating to the thermal death

Identification and distribution of the mating-type locus and development of cleistothecia of Podosphaera macularis

Creator:: Wolfenbarger, Sierra N.
Abstract:: Podosphaera macularis, causal agent of hop powdery mildew, is known to produce cleistothecia (syn. chasmothecia) in eastern North America and Europe, but ascocarps are not reported from the Pacific Northwestern region of North America. Reasons for the apparent absence of cleistothecia in the Pacific Northwest are unknown. We established that...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ David H. Gent Podosphaera macularis, causal agent of hop powdery mildew, is known to

The response of mechanical tissue to tension in the pedicel of apple

Creator:: Horn, Elsa Ottilia
Resource Type:: Masters Thesis
Full Text:: ',7LEDEMENTS VIith sincere gratitude and esteem may I acknov.1ede the help of Professor H. P. l3arss, who

ScholarsArchive@OSU

Double-stranded RNA isolated from grapevine affected by grapevine stem-pitting disease

Effects of grazing and nitrogen enrichment on the taxonomic structure of periphyton assemblages in lotic ecosystems

Tree vigor and the susceptibility of Douglas-fir to armillaria root disease

The detection of ilarvirus (subgroup B) by enzyme-linked immunosorbent assay

Transcript analysis of Feldmannia Sp. virus, FsV : characterization of the major capsid protein gene and its relationship to known viruses

Rhizoctonia of the potato

The Influence of Nitrogen Fertility on Hop Quality, Pest Management, and the Stability of Biological Control

Studies on the bacterial gummosis of stone fruits

Identification and distribution of the mating-type locus and development of cleistothecia of Podosphaera macularis

The response of mechanical tissue to tension in the pedicel of apple

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