Lynn Ketchum

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2020 Pest Management Guide for Wine Grapes in Oregon

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 ...

Vaughn Walton, Patricia Skinkis, Jay Pscheidt, Marcelo Moretti, Achala KC, Clive Kaiser | Feb 2020 | OSU Extension Catalog

How to cane prune grapevines

This video provides instructions on how to cane prune a grapevine.

Patricia Skinkis | Dec 2019 | Video

How to spur prune grapevines

This video provides instructions on how to prune cordon-trained vines with spur pruning during winter.

Patricia Skinkis | Dec 2019 | Video

Host Range and Characteristics Affecting Fruit Susceptibility to Spotted-wing Drosophila

Spotted-wing drosophila (SWD) can develop on a wide range of cultivated and wild, soft-skinned fruits. This complicates pest management because SWD populations can move among several hosts with different ripening times throughout the year, allowing them to survive and reproduce in many environments.

Vaughn Walton, Dalila Rendon, Linda Brewer | Dec 2019 | OSU Extension Catalog

How Seasons Affect Population Structure, Behavior and Risk on Spotted-wing Drosophila

Temperatures do affect how quickly SWD reproduce, see how temperatures affect their life cycle.

Nik Wiman, Vaughn Walton, Dalila Rendon, Linda Brewer | Dec 2019 | OSU Extension Catalog

Noncrop Host Plants of Spotted Wing Drosophila in North America

Landscapes surrounding fruit production fields often include hedgerows, adjacent field margins, and woody or riparian areas with ornamentals, unmanaged shrubs, vines, or other plants that also produce fruits. Noncrop habitats can meet ...

Linda Brewer | Dec 2019 | OSU Extension Catalog

Standards for Bird Control in Vineyards

Birds can feed on ripening grape berries near harvest. Learn how to protect your grapes in a safe and legal manner. Provided by the Oregon Wine Growers Association and Willamette Valley Wineries.

Sep 2019 | Fact Sheet