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Resistance of Grape Rootstocks to Crown Gall

Creator:: Miller, Marilyn L., Tooley, Katie, Ferguson, Kathleen, Schindler, Clara, and Moore, Larry W.
Abstract:: Crown gall can develop on grapevines wounded by freezing temperatures, mechanical damage or grafting. Increased demand for grape varieties grafted to phylloxera resistant rootstocks has led to increased incidence of crown gall at graft unions. Therefore a search for plant material that is resistant to crown gall has been undertaken....
Resource Type:: Technical Report
Full Text:: Gall Marilyn L. Miller, Katie Tooley, Kathleen Ferguson, Clara Schindler, and Larry Moore Department

Crown Gall of Grape Rootstocks

Creator:: Miller, Marilyn L., Tooley, Katie, Ferguson, Kathleen, Toma, Kyle, Mentzer, Jessica, and Moore, Larry W.
Abstract:: Crown gall can develop on grapevines wounded by freezing temperatures, mechanical damage or grafting. Pathogenic agrobacteria residing within the vascular system are able to initiate tumor growth in damaged plant cells. Sampling from 21 sites in Oregon vineyards and nurseries yielded diverse populations of pathogenic agrobacteria. Most of the pathogenic...
Resource Type:: Technical Report
Full Text:: L. Miller, Katie Tooley, Kathleen Ferguson, Kyle Toma Jessica Mentzer and Larry Moore Department

Development and Testing of Bacteria Free Grapevines for Prevention of Crown Gall in Oregon Nurseries and Vineyards

Creator:: Miller, Marilyn L., Moore, Larry W., Mentzer, Jessica, Dierenfield, Lora, Ferguson, Kathleen, Candolfi-Vasconcelos, M. Carmo, and Castagnoli, Steve
Abstract:: Agrobacterium vitis is a bacterium that causes crown gall in grapevines. Plant injury from freezing temperatures or mechanical damage during cultivation often provide wounds required for infection to occur. Crown gall may kill grapevines and a new shoot is often brought up from the root to replace dead vines. Discovery...
Resource Type:: Technical Report
Full Text:: Grapevines for Prevention of Crown Gall in Oregon Nurseries and Vineyards Marilyn Miller, Larry Moore

Crown gall in Oregon grapevines : biology and treatment of planting stock with hot water dips [1995-1996]

Creator:: Moore, Larry W., Miller, Marilyn L., and White, TJ
Abstract:: Oregon is a leader in production of premium wines in the United States and the industry has been expanding rapidly over the past few years. However, continued production and expansion of vineyards are threatened by infestation of phylloxera, Daktulospaira vitifoliae, an insect that feeds on roots. Most grapevines in Oregon...
Resource Type:: Technical Report
Full Text:: and Treatment of Planting Stock with Hot Water Dips Larry W. Moore, Marilyn L. Miller, and TJ White

Host-Selective Toxins of Pyrenophora tritici-repentis Induce Common Responses Associated with Host Susceptibility

Creator:: Pandelova, Iovanna, Figueroa, Melania, Wilhelm, Larry J., Manning, Viola A., Mankaney, Aakash N., Mockler, Todd C., and Ciuffetti, Lynda M.
Abstract:: Pyrenophora tritici-repentis (Ptr), a necrotrophic fungus and the causal agent of tan spot of wheat, produces one or a combination of host-selective toxins (HSTs) necessary for disease development. The two most studied toxins produced by Ptr, Ptr ToxA (ToxA) and Ptr ToxB (ToxB), are proteins that cause necrotic or chlorotic...
Resource Type:: Article
Full Text:: Figueroa1,2, Larry J. Wilhelm1, Viola A. Manning1, Aakash N. Mankaney1, Todd C. Mockler1,3, Lynda M

Grape Powdery Mildew Management: The Interaction Between Inflorescence Stage and Fungicide Chemistry

Creator:: Warneke, Brent W.
Abstract:: Grape powdery mildew (GPM, causal agent Erysiphe necator) is the most economically important disease of grapevine in the Western U.S. Low levels of GPM infection on clusters (1-5%) can negatively affect wine sensory quality, so intensive fungicide programs are common. This may lead to problems like excessive fungicide use and...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Brent W

Characterization of fungal and bacterial communities associated with mat-forming ectomycorrhizal fungi from old-growth stands in the H.J. Andrews Experimental Forest

Creator:: Hesse, Cedar N.
Abstract:: Mat-forming ectomycorrhizal (EcM) fungi represent a prevalent constituent of many temperate forest ecosystems and create dramatic changes in soil structure and chemistry. EcM mat soil have been shown to have increased microbial respiration rates and have been hypothesized to harbor unique assemblages of fungi and bacteria. The objectives of this...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Joseph W. Spatafora Mat-forming ectomycorrhizal (EcM) fungi represent a prevalent

Fungal Secondary Metabolism of Basidiobolus meristosporus: a Novel Natural Product Reservoir

Creator:: Trautman, Ian A.
Abstract:: Secondary metabolites (SMs) play an integral role in the life history of most fungal species. Fungal metabolomic studies provide insights into how fungi perform certain ecological functions, how they compete and interact with other organisms, and the breadth of fungal chemodiversity. Fungal SMs have also been utilized for a variety...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: __________________________________________________ Joseph W. Spatafora Secondary

Ascospore viability and dispersal from pruned branches infected with Anisogramma anomala

Creator:: Heckert, Stephanie
Abstract:: Viability and dispersal of ascospores of Anisogramma anomala, the cause of eastern filbert blight (EFB) on European hazelnut, from diseased branches pruned from trees were measured. In each of two years, branches bearing stromata of A. anomala were cut in mid-December and compared to branches cut near budbreak in March,...
Resource Type:: Masters Thesis
Full Text:: Anisogramma anomala Abstract approved: Jay W. Pscheidt Ascospore viability and

Community Ecology and Population Genomics of Rhizopogon in the Madrean Sky Island Archipelago

Creator:: Piña Páez, Carolina G.
Abstract:: Anthropogenic induced climate change is predicted to alter distribution of existing plant populations. As plants migrate over space and time, populations often fragment and contract, affecting basic elements of population dynamics (e.g., population size, gene flow, genetic diversity, etc.). Little is known, however, how these impacts on plant species will...
Resource Type:: Dissertation
Full Text:: . Abstract approved: ______________________________________________________ Joseph W. Spatafora

ScholarsArchive@OSU

Resistance of Grape Rootstocks to Crown Gall

Crown Gall of Grape Rootstocks

Development and Testing of Bacteria Free Grapevines for Prevention of Crown Gall in Oregon Nurseries and Vineyards

Crown gall in Oregon grapevines : biology and treatment of planting stock with hot water dips [1995-1996]

Host-Selective Toxins of Pyrenophora tritici-repentis Induce Common Responses Associated with Host Susceptibility

Grape Powdery Mildew Management: The Interaction Between Inflorescence Stage and Fungicide Chemistry

Characterization of fungal and bacterial communities associated with mat-forming ectomycorrhizal fungi from old-growth stands in the H.J. Andrews Experimental Forest

Fungal Secondary Metabolism of Basidiobolus meristosporus: a Novel Natural Product Reservoir

Ascospore viability and dispersal from pruned branches infected with Anisogramma anomala

Community Ecology and Population Genomics of Rhizopogon in the Madrean Sky Island Archipelago

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