Index Catalog // ScholarsArchive@OSU

Scouting for grape powdery mildew

Creator:: Pscheidt, Jay William and Oregon State University. Extension Service
Abstract:: The publication provides vineyard owners with approaches for finding the first occurrence of grape powdery mildew. The publication covers tactics to manage powdery mildew, including use of fungicides and canopy management. It also discusses effective scouting techniques based on the key characteristics of the fungus.
Resource Type:: Technical Report
Full Text:: than starting too early and wasting unnecessary applications, you can simply wait until disease is

Trapping and identifying mealybugs in Oregon vineyards

Creator:: Dreves, Amy J., Walton, Vaughn M., and Oregon State University. Extension Service
Abstract:: Mealybugs, a family of soft, oval-bodied pests (Homoptera: Pseudococcidae), are known vectors (carriers) of the grapevine leafroll associated viruses (GLRaVs) of grape. This document gives details on how pheromone traps should be used to ensure optimal catches and early detection.
Resource Type:: Technical Report
Full Text:: to re-label new trap and note when new lures are placed in trap. Mealybug Identification • Use a

Inflorescence necrosis, ammonium, and evidence for ferredoxin-glutamate synthase activity in grape (Vitis vinifera L.)

Creator:: Creasy, Glen L.
Abstract:: Death of flower parts near bloom due to inflorescence necrosis (IN) is associated with high ammonium (NH₄⁺) concentration in flower clusters, shade, cool wet weather preceding bloom, and excessive vigor. Faults in NH₄⁺ assimilation are suspected to cause a rise in NH₄⁺ concentration to toxic levels in flower cluster but...
Resource Type:: Dissertation
Full Text:: , Ammonium, and Evidence for Ferredoxin-Glutamate Synthase Activity in Grape (Vitis vinifera L.) Abstract

Grapevine nutrition [2011]

Creator:: Skinkis, Patricia A. and Schreiner, R. Paul
Abstract:: This online module provides information on nutrient needs of grapevines, symptoms of deficiency and/or toxicity, and vineyard nutrient management. A section of this module explains how to diagnose non-nutrient problems such as damage from diseases, insects, drought, sunburn, and herbicides.
Resource Type:: Learning Object

Hazelnut pest and beneficial insects: an identification guide

Creator:: Oregon State University. Extension Service, Walton, Vaughn M., Chambers, U. (Ute), and Olsen, Jeff L.
Abstract:: With color photos and text, describes principal insect pests of hazelnuts (filberts) including their life stages, symptoms of infestation, and techniques for sampling population levels. Also describes beneficial insects (generalist natural enemies) that can combat pest insects.
Resource Type:: Technical Report
Full Text:: Identification Guide Hazelnut Pest and Beneficial Insects An identification guide V. Walton, U. Chambers, J

Controlling damages of vertebrate pests of grapes

Creator:: Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, United States. Department of Agriculture, Pacific Northwest Cooperative Extension, and DeCalesta, David S.
Abstract:: Published August 1982. 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:: Technical Report
Full Text:: root systems, and leaves. As with any animal damage control program, identification of the pest is

2019 pest management guide for wine grapes in Oregon

Creator:: Skinkis, Patricia A., Pscheidt, Jay W., Moretti, Marcelo L., Walton, Vaughn M., KC, Achala, Kaiser, Clive, and Oregon State University. Extension Service
Abstract:: This publication reviews the growth stages of grapes. For each growth stage (or group of growth stages), the document lists the more effective pesticides used to control insects, weeds, and disease; their rates; and application timing for Oregon grape growers. It also covers the effectiveness of various fungicides for control...
Resource Type:: Technical Report
Full Text:: . Pscheidt, M.L. Moretti, V.M. Walton, A. KC, and C. Kaiser Contents Vineyard pest management timing

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:: INTRODUCTION AND LITERATURE REVIEW 1 Grape Industry Problems 1 Disease Description 8 Virus Particle Research 14

Relationships of ammonium and nitrate status with inflorescence necrosis in 'Pinot noir' grapevines

Creator:: Gu, Sanliang
Abstract:: Inflorescence necrosis (IN) is a recently described disorder in grapes characterized by partial or complete deterioration of the pedicel and rachis near bloom. Elevated levels of ammonium in the rachis are associated with the incidence of IN and hypothesized as the cause of the disorder. An incubation system with single-node...
Resource Type:: Dissertation
Full Text:: and Khavkin, 1980). GS and GDH activities have been detected in grape berries, roots, and leaves

Improve the Oregon potato crop : avoid diseased seed

Creator:: Bailey, F. D. and Oregon Agricultural College. Extension Service
Abstract:: Published 1915. 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:: Technical Report
Full Text:: to the surface, tey can be scraped off vith the finger nail. This disease attacks the its and later

ScholarsArchive@OSU

Scouting for grape powdery mildew

Trapping and identifying mealybugs in Oregon vineyards

Inflorescence necrosis, ammonium, and evidence for ferredoxin-glutamate synthase activity in grape (Vitis vinifera L.)

Grapevine nutrition [2011]

Hazelnut pest and beneficial insects: an identification guide

Controlling damages of vertebrate pests of grapes

2019 pest management guide for wine grapes in Oregon

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

Relationships of ammonium and nitrate status with inflorescence necrosis in 'Pinot noir' grapevines

Improve the Oregon potato crop : avoid diseased seed

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