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

Technical Report

Public Deposited

Citeable URL: https://ir.library.oregonstate.edu/concern/technical_reports/n870zz112

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Attribute Name	Values
Creator	Moore, Larry W. Miller, Marilyn L. 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 are growing on their own roots and are susceptible to phylloxera. The use of phylloxera-resistant rootstocks has increased as growers and nurserymen are moving to replace susceptible plants. However, the grafting process provides wounds that can become infected by the crown gall bacterium, Agrobacterium vitis, naturally present within the vascular system of some grape rootstocks and/or scion wood. The goal of our research is to prevent crown gall in phylloxera-resistant grapevines. There are several potential ways to achieve this goal: 1) to eradicate tumorigenic bacteria within the plant material by hot water treatments, 2) to introduce biological control agents at the wound site in grafted plants, and 3) to select rootstocks and scion woods that are resistant to crown gall disease.
Resource Type	Technical Report
Date Issued	1996
Academic Affiliation	Botany and Plant Pathology
Non-Academic Affiliation	Oregon Wine Research Institute
Series	Oregon Wine Advisory Board Research Progress Report
Rights Statement	In Copyright
Publisher	Oregon Wine Advisory Board
Peer Reviewed	No
Language	English [eng]

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