Pests, Plant Diseases, and Weeds

Pests and Plant Diseases

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With a spiny fruit capable of injuring hooves, feet, and vehicle tires, growers from across the spectrum can learn to effectively manage this weed.

The Northern Giant Hornet — What the Public and Beekeepers Need to Know

The invasive northern giant hornet (formerly known as the Asian giant hornet) poses a significant threat to honey bees, public health, and the environment: beekeepers and the public can learn more here.

Best Management Practices For Managing Herbicide Resistance

Learn to manage herbicide-resistant weeds on your farm using the most effective methods, also known as best management practices (BMPs).

Invertebrate Pest Management for Pacific Northwest Pastures

A well-managed pasture has several ecological and economic benefits. However, several species of arthropods (insects, mites and garden symphylans), and gastropods (slugs) inhabit pastures of the Pacific Northwest of the United States and can diminish those benefits.

Russian Thistle: Management in a Wheat-Fallow Crop Rotation

Reviews Russian thistle biology as it relates to management, including seed dormancy and longevity in soil, seed distribution, seed germination and emergence, plant growth after establishment, crop competition, and resistance to herbicides. Outlines key considerations for managing for 3 crop years and 1 fallow year. Describes results from a residue management experiment designed to determine how to reduce tillage while maintaining winter wheat production.

Pigweeds: Current and Emerging Weed Threats in the Pacific Northwest

Pigweed is an invasive plant pest usually found in disturbed areas, like farmland and along roadsides and fencelines. Because their aggressiveness can reduce crop yields, this PNW discusses how to prevent or curtail their spread in the region by learning how to identify them, their impacts, and the most effective control options (sanitation, mechanical, cultural, and herbicidal methods).

Bacterial Canker in Washington Sweet Cherries

Bacterial canker is a real problem for sweet cherry growers, but you can learn to prevent and manage this disease by following the guidelines outlined here.

Biology and Management of Wireworms in Western Washington

By using the photos, graphics, and information in this pub, you can learn to identify and monitor wireworms in your fields: control strategies are included.

Distinguishing Northern Giant Hornet Damage to Honey Bee Colonies

Beekeepers in Washington State: learn the signs of northern giant hornet (NGH) damage, common look-alike damage, and how to report NGH to the state. (Formerly known as Asian giant hornet.)