Clive Kaiser

Sweet Cherry Rootstocks for the Pacific Northwest

Cherry growers have many options when it comes to choosing rootstocks. The combination of new dwarfing rootstocks with high-density training systems leads to earlier production. But growers need to consider soil ...

Lynn Long, Clive Kaiser, Ashley Thompson | Sep 2021 | Extension Catalog publication Peer reviewed (Orange level)

Grape Phylloxera: Biology and Management in the Pacific Northwest

Describes the life cycle and injury symptoms of grape phylloxera, Daktulosphaira vitifoliae (Fitch), an aphidlike insect that feeds on grape roots. Discusses strategies for reducing the risk of phylloxera infestation, ...

Patricia A. Skinkis, Vaughn Walton, Clive Kaiser | Jul 2021 | Extension Catalog publication Peer reviewed (Orange level)

Recognize the Symptoms and Causes of Stunted Growth in Vineyards

Spring frost, herbicide drift, water or nutrient stress, diseases, and insect and mite pests can cause similar symptoms of stunting or distorted growth in grapevines. Recognizing the symptoms and distinguishing their ...

Patricia A. Skinkis, Vaughn Walton, Amy J. Dreves, Clive Kaiser, Steve Renquist, Steve Castagnoli, Rick Hilton, Linda Brewer | Jan 2020 | Extension Catalog publication Peer reviewed (Orange level)

Understanding and Preventing Sweet Cherry Fruit Cracking

Fruit cracking in sweet cherries can have a severe economic impact in the Pacific Northwest, even with new optical sorters. This publication helps growers understand the causes of cracking and describes cultural practices that can minimize cracking.

Clive Kaiser, Lynn Long, Linda Brewer | Feb 2019 | Extension Catalog publication Peer reviewed (Orange level)

Samurai wasp: Promising egg parasitoid for management of Brown Marmorated Stink Bug (BMSB)

The samurai wasp (Trissolcus japonicus) is a parasitoid that attacks the eggs of the brown marmorated stink bug (BMSB), making it a potential candidate for managing this significant threat to commercial agriculture ...

David Lowenstein, Chris Hedstrom, Nik Wiman, Heather Andrews, Richard Hilton, Clive Kaiser, Jana Lee, Vaughn Walton | Apr 2017 | Extension Catalog publication Peer reviewed (Orange level)

Green Pea Nutrient Management Inland Northwest -- east of the Cascades

Describes management practices for east of the Cascades that are essential to optimize green pea crop response to fertilizer inputs. These include soil pH, crop rotation, and inoculation; and recommendations for fertilizer placement and specific nutrients.

Clive Kaiser, Donald A. Horneck, Richard T. Koenig, Lyndon Porter, Linda Brewer | Apr 2016 | Extension Catalog publication Peer reviewed (Orange level)

Sweet Cherry Orchard Establishment in the Pacific Northwest

Regularly producing sustainable yields of high-quality cherries is possible only where site and other conditions are near optimal. Properly evaluating a prospective orchard location, determining available resources, and ...

Lynn Long, Clive Kaiser | Feb 2013 | Extension Catalog publication Peer reviewed (Orange level)

Sweet Cherry Orchard Establishment in the Pacific Northwest

Regularly producing sustainable yields of high-quality cherries is possible only where site and other conditions are near optimal. This publication summarizes factors to consider when establishing a cherry orchard ...

Lynn Long, Clive Kaiser | Feb 2013 | Extension Catalog publication Peer reviewed (Orange level)

Consideration and Resources for Vineyard Establishment in the Inland Pacific Northwest

This guide is primarily designed to address factors and critical questions that potential owners need to consider before establishing a new vineyard in eastern Washington, eastern Oregon, or western Idaho.

Michelle Moyer, Clive Kaiser, Joan Davenport, Patricia A. Skinkis | Jul 2012 | Extension Catalog publication Peer reviewed (Orange level)

Prevention and Management of Grapevine Leafroll Virus and Mealybugs in Oregon Vineyards

This document suggests practices believed to mitigate the spread of disease and virus.

Vaughn Walton, Amy J. Dreves, Patricia A. Skinkis, Clive Kaiser, Marcus A. Buchanan, Rick Hilton, Robert Martin, Steve Castagnoli, Steve Renquist | Oct 2009 | Extension Catalog publication Peer reviewed (Orange level)

Protecting Grapevines from Winter Injury

Winegrape production in the Pacific Northwest has expanded into areas where low winter temperatures periodically cause cane damage or death. Canes can be protected from freeze damage by burying them or covering them...

Clive Kaiser, Patricia A. Skinkis, Mercy Olmstead | Mar 2008 | Extension Catalog publication Peer reviewed (Orange level)