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Pests, Plant Diseases, and Weeds
Pests and Plant Diseases
Pesticides: Learning About Labels
Pesticides carry labels because the information is vital to your safety and important for proper application. The fact sheet provides a sample label, then walks you through the different sections, exp ...
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Pesticides: Safe Handling
Think of safety first when handling chemicals around the house. When dealing with liquid soaps, furniture polish, bleach, antifreeze, or chemical pesticides, treat all as hazardous. This guide offers ...
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Physiological Leaf Roll of Tomato
A fact sheet prepared by The Pacific Northwest Vegetable Extension Group (http://mtvernon.wsu.edu/path_team/vegpath_team.htm), which includes specialists from the University of Idaho, Oregon State Un ...
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Plant Problem Diagnosis Home and Ornamental Landscape
Question form for growers or gardeners to fill out and send with problem sample (leaves, bark section, or roots) or take to Master Gardener clinics. Identifying and understanding your plant problem is ...
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Plant-parasitic Nematodes Affecting Small Grain Cereals in the Pacific Northwest
Discusses several species of plant-parasitic nematodes that occur where small-grain crops are produced in the Pacific Northwest. Covers nematode biology, symptoms of injury, yield constraints, man ...
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Potato Leaf Roll
Online Only
Causes, symptoms, and management for potato leaf roll, a viral disease which is particularly problematic in the production of late potatoes. Replaces EM2704. ...
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Potato Psyllid Vector of Zebra Chip Disease in the Pacific Northwest: Biology, Ecology, and Management
Zebra chip is a destructive disease of potatoes first recorded in the Pacific Northwest in 2011. The region's experts provide information on the bacterium, vector biology, damage from both vector and ...
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Potato Virus Y and Organic Potatoes in Western Washington
Is Potato virus Y (PVY) more widespread in organically-managed potato fields? Are there incidence of PVY in garden store outlets? Management and tips here! ...
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Powdery Mildew in Eastern Washington Commercial Grape Production: Biology and Disease Management
There are few plant diseases that have the same combination of international distribution and importance as grapevine powdery mildew (PM), which is present almost anywhere that susceptible grape varieties are grown.
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