Nicole Anderson

Management Guidelines for the Clover Seed Weevil in Oregon White Clover Seed Production

Clover seed weevils feed on developing white clover seed, damaging the crop. This pest has become resistant to certain pesticides. Learn alternate management strategies.

Navneet Kaur, Grace Tiwari, Nicole Anderson, Dani Lightle, Christy Tanner, Seth Dorman | Jul 2024 | Extension Catalog publication Peer reviewed (Orange level)

Billbug Species Complex in Grass Seed Production Systems of Oregon: Characteristics, Impact and Management Options

Billbugs are pests you may see in turf grasses or in grass seed production. Learn the characteristics of billbug feeding damage, their impact on grass seed crops and effective management strategies.

Navneet Kaur, Nicole Anderson, Darrin Walenta, Brian Donovan, Alison Willette, John Spring, Claira Goracke, Jeremiah Dung | May 2024 | Extension Catalog publication Peer reviewed (Orange level)

Integrated Pest Management Guidelines and Biocontrol of Cereal Leaf Beetle in the Pacific Northwest

For years, a small wasp has helped control the cereal leaf beetle, a pest of grass and cereal grains. But now beetle numbers are climbing. Here are some options to reduce this pest's impact on crops.

Darrin Walenta, Navneet Kaur, Nicole Anderson, Seth Dorman, Alison Willette, Claira Goracke, Sanford Eigenbrode, Brian Charlton | Jan 2024 | Extension Catalog publication Peer reviewed (Orange level)

Pocket Guide to Grass Seed Pests and Beneficials: Identification, Monitoring, Management

Learn to identify common pests and beneficial insects found in grass seed production fields across Oregon. Discover where pests are found, learn signs of damage and determine thresholds.

Amy J. Dreves, Navneet Kaur, Joe DeFrancesco, Leanna Van Slambrook, Glenn Fisher, Silvia I. Rondon, Nicole Anderson | May 2021 | Extension Catalog publication Peer reviewed (Orange level)

Omnivorous Leaftier A ubiquitous and often minor pest of small grains and other seed crops of Western Oregon

The omnivorous leaftier has a wide host range and is known to cause damage to species from more than 20 plant families. Native parasitoid wasps manage this pest in natural and cropland settings. The first ...

Navneet Kaur, Leonard Coop, Jessica Green, Bill Gerth, Nicole Anderson, Glenn Fisher | Aug 2020 | Extension Catalog publication Peer reviewed (Orange level)

Soft White Winter Wheat (Western Oregon) Nutrient Management Guide

Gives nutrient and lime recommendations for soft white winter wheat in western Oregon. Also discusses: impact of diseases, such as take-all root rot, on crop yield; planting in poorly drained soil; soils and ...

John M. Hart, Michael D. Flowers, Nicole Anderson, Richard Roseberg, Neil W. Christensen, Mark E. Mellbye | Jul 2023 | Extension Catalog publication Peer reviewed (Orange level)

Endophyte Toxins in Grass and Other Feed Sources: Risks to Livestock

Many varieties of tall fescue and perennial ryegrass are infected with a fungal endophyte. Endophytes produce bioactive compounds that, while beneficial to the host plants, can be toxic to livestock that consume ...

Gene Pirelli, Nicole Anderson, A. Morrie Craig, Carolyn A. Young | Oct 2020 | Extension Catalog publication Peer reviewed (Orange level)

Tall Fescue Grown for Seed: A Nutrient Management Guide for Western Oregon

This guide covers key nutrient management topics related to tall fescue grown for seed in western Oregon. Crop growth and timing of nutrient uptake is covered. Specific recommendations for nitrogen, phosphorous, ...

Nicole Anderson, Thomas G. Chastain, John M. Hart, William C. Young III, Neil W. Christensen | Mar 2023 | Extension Catalog publication Peer reviewed (Orange level)

Perennial Ryegrass Grown For Seed (Western Oregon) Nutrient Management Guide

This guide provides nutrient and lime recommendations for establishment of turf and forage perennial ryegrass grown for seed in western Oregon. Healthy plants with adequate root systems are required to obtain the ...

John M. Hart, Nicole Anderson, Thomas G. Chastain, Michael D. Flowers, Cynthia M. Ocamb, Mark E. Mellbye, William C. Young III | Oct 2017 | Extension Catalog publication Peer reviewed (Orange level)

Soil Acidity in Oregon: Understanding and Using Concepts for Crop Production

Soil acidity, expressed by low soil pH, causes reduced crop growth and significant economic loss. It is the most commonly overlooked and poorly understood yield-limiting factor in western Oregon and a developing ...

John M. Hart, Dan M. Sullivan, Nicole Anderson, Andy Hulting, Donald A. Horneck, Neil W. Christensen | Jun 2021 | Extension Catalog publication Peer reviewed (Orange level)

Applying Lime to Raise Soil pH for Crop Production (Western Oregon)

This publication describes how to estimate lime application rate and lists criteria for choosing liming materials (source), lime application method (placement), and how often to apply lime (frequency).

Nicole Anderson, John M. Hart, Dan M. Sullivan, Neil W. Christensen, Donald A. Horneck, Gene Pirelli | Apr 2021 | Extension Catalog publication Peer reviewed (Orange level)

Postharvest Residue Management for Grass Seed Production in Western Oregon

This publication incorporates 20 years of field research by OSU faculty comparing two grass-seed residue management methods: full straw load (straw is chopped and left on the field) and clean nonthermal (straw is ...

John M. Hart, Nicole Anderson, Andy Hulting, Thomas G. Chastain, Mark E. Mellbye, William C. Young III, Tom Silberstein | Sep 2020 | Extension Catalog publication Peer reviewed (Orange level)

Using the Nitrogen Mineralization Soil Test to Predict Spring Fertilizer N Rate for Soft White Winter Wheat Grown in Western Oregon

Soft white winter wheat is grown in western Oregon and requires a spring application of nitrogen (N) fertilizer for optimum production. Determining the amount of N to apply has been a challenge for growers. ...

Nicole Anderson, John M. Hart, Neil W. Christensen, Mark E. Mellbye, Michael D. Flowers | Mar 2023 | Extension Catalog publication Peer reviewed (Orange level)

Evaluating Soil Nutrients and pH by Depth in Situations of Limited or No Tillage in Western Oregon

Many nutrients and lime are not mobile in the soil. When applied to the soil surface without tillage, these materials remain in the top 2 inches, especially in production systems that lack tillage. If a soil ...

Nicole Anderson, John M. Hart, Donald A. Horneck, Dan M. Sullivan, Neil W. Christensen, Gene Pirelli | Mar 2023 | Extension Catalog publication Peer reviewed (Orange level)