Lynn Ketchum

Field Crops

Displaying 1 - 10 of 163 resources

Manejo de mildiu polvoriento (cenicilla) en lúpulo: Las mejores prácticas de cultivo

El mildiu polvoriento (cenicilla) es una de las enfermedades más importantes del lúpulo. El manejo exitoso requiere un conjunto integrado de prácticas, desde prácticas de cultivo, biológicas y químicas hasta la plantación de variedades resistentes. Estas buenas prácticas de manejo pueden ayudar a los productores a minimizar el daño de la enfermedad.

Luisa Santamaria | Nov 2019 | OSU Extension Catalog

Retired Extension agent, turning 100, reflects on career

Steve Besse spent one-quarter of his life, 25 years, working for Oregon State University’s College of Agriculture, and most of it in Extension.

Mitch Lies | Oct 30, 2019 | News Story

Potato IPM

The Agricultural Research and Extension Centers in Eastern and Central Oregon have dedicated faculty focused on IPM (Integrated Pest Managment) for potato and seed potato production. Additional resources are available for Western Oregon gardeners through the Community Horticulture and Small Farms Programs.

Oct 2019 | Collection

Tackling Potato Virus Y, a Persistent Problem in Potato Production

Oregon State University Masters student Max Combest explains issues related to Potato Virus Y (PVY). He is doing research of PVY in potato production in the Pacific Northwest and worldwide. He is looking to understand the interactions between potato and PVY. He uses biotechnology tools like CRISPR to study two genes associated with the hypersensitive response of potato to PVY.

Aymeric Goyer | Oct 2019 | OSU Extension Catalog

Grazed Cover Cropping, Drew Leitch (Farmer to Farmer Case Study Series)

An Inland Northwest farmer has been trialing spring and fall-seeded cover cropping for cow-calf grazing and the effects on the following grain crops.

Sep 2019 | OSU Extension Catalog

Lime Requirement Buffer pH Update 2019

This fact sheet describes recent discrepancies between SMP and Sikora buffer pH lime requirement tests for western Oregon soils and provides recommendations for what to do. Many soil testing labs in the U.S. are switching from the SMP to the Sikora buffer test for lime requirement in an effort to reduce the use of carcinogenic chemicals in the procedure. Wide-scale testing ...

Nicole Anderson | Sep 2019 | Fact Sheet

Selecting Successful Cover Crops for Your Hop Yard

This fact sheet is designed to help guide commercial hop growers in selecting cover crops. The guide discusses benefits and considerations or cons for four different cover crop strategies: annual fall planted, annual spring planted, annual re-seeding and perennial sod. Cover crop suggestions are tailored to western Oregon climate and regional cropping practices.

Betsy Verhoeven | Sep 2019 | Fact Sheet

Low energy precision application (LEPA) and low elevation spray application (LESA) trials in the Pacific Northwest

LEPA and LESA are alterations on a center pivot where the sprinklers are moved much closer to the ground, the spacing between sprinklers is reduced (more sprinklers), and water is emitted at very low pressures. It saves water (18%), it saves energy (less water pumped and pumped at a lower pressure), and it helps growers get better yields especially in areas where water ...

Troy Peters, Howard Neibling, Richard Stroh, Behnaz Molaei, Hanny Mehanna | Sep 2019 | Publication

Researchers determine pollen abundance and diversity in five major pollinator-dependent crops

A new study provides valuable insights into pollen abundance and diversity available to honeybee colonies employed in five major pollinator-dependent crops in Oregon and California.

Chris Branam | Aug 28, 2019 | News Story