Pests, Plant Diseases, and Weeds

Covers basic pest identification and biology information on insect and rodent pests that cause disease or discomfort in humans. Authors deal specifically with mosquitoes, flies, fleas, lice, bed bugs, cockroaches, wasps, yellowjackets, ticks, mites, spiders, and rodents. Pesticide application and equipment preparation are discussed at length. Specific examples walk you through calibration of different types of spray equipment, with attention to speed, nozzles, pressure, and spray width. This bulletin contains study information for the Public Health Pest Control exam administered by the Washington State Department of Agriculture. Text and illustrations.

The saying “Sleep tight; don’t let the bed bugs bite,” is not just a quaint bedtime rhyme, but a reminder of a problem that is on the rise in today’s highly mobile society. Bed bugs are household pest ...

Color photographs illustrate symptoms of Rhizoctonia foliar blight and crown and root rot on sugar beet. The text discusses disease symptoms, the causal organism, and control measures, including cult ...

Rhizomania is the most serious disease of sugar beets worldwide. This publication describes the symptoms of the disease in the Pacific Northwest; its causes, epidemiology, and disease cycle; and metho ...

Weed control on rights-of-way access property that includes powerlines, roadsides, ditch banks. Covers basic weed science, vegetation management, herbicide activity and selectivity, factors influencin ...

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Descriptions cover five root weevils that cause most damage on rhododendrons in the Pacific Northwest. Root weevil stages and damage shown in color. Chemical and cultural co ...

Scale insects attack ornamental trees, shrubs, garden plants, houseplants, and nursery stock. Descriptions and full color enlargements of damage and insects on host plants.

Sclerotinia stem rot, also known as white mold, is a destructive disease of canola, and most cultivars of canola are susceptible to this disease.

This publication describes the life cycle of Scler ...