Describes the symptoms and damage caused by silver scurf, a fungal disease of potatoes. Includes color photos of symptoms. Discusses sources of inoculum and the disease life cycle. Suggests managemen ...
Esta publicaciĆ³n describe los ocho sistemas de poda de mayor importancia en los huertos de cerezos comerciales en Oregon, Idaho, Washington y Michigan. A nivel mundial, los productores de cerezas ...
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Treatments for home garden blueberry, strawberry, raspberry, blackberry, caneberry, grape, currant, and gooseberry crops, by growing stage or portion of season. ...
These pests can attach to house siding or autos so tightly that they damage the paint when removed. They can devastate many types of plants. Hard to detect, small, and often resembling a small dirt cl ...
A study manual for individuals who supervise or apply restricted use soil fumigants. Used in pesticide training for Washington State Department of Agriculture Soil Fumigation licensing exam. The manua ...
The spruce aphid, Elatobium abietinum, is destructive of the spruce forests, especially Sitka. Aphid numbers are greatest in February and March, before their damage is discovered. Where damage ...
A study manual for certification in stored grain pest control. Covers basic information on pest identification and biologies, and management strategies for controlling pests that have a potential for ...
Strawbreaker foot rot, which is also called eyespot, is a common and serious disease of winter wheat throughout most of eastern Washington. This publication describes disease symptoms and causes, a ...
A study guide for certification in structural and turf demossing. Covers basic principles of control for mosses, lichens, and algae. Used in pesticide training for Washington State Department of Agric ...