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Risk Mitigation Measures for Soil Fumigant Pesticides Inga Zasada, Nematologist, USDA-ARS-HRCL, Corvallis, OR. Since 2009 there have been significant changes to fumigant product labels, which have resulted in changes to risk mitigation measures for the so ...
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Orchard Soil Fumigation T. J. Smith, WSU Extension Agent for Chelan, Douglas, and Okanogan counties Pathogenic soil organisms present in the soils of most mature orchards often damage the roots of young fruit trees when the site is replanted. Poor root de ...
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Fumigating Soils for Nematode Control Soil fumigation places a chemical (the nematicide) into soil where it can effectively form gases, which disperse throughout the spaces between soil particles, killing nematodes. The gases disperse in all directions bu ...
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Vegetable Seed Treatment Diseases of vegetable crops often are caused by fungi, oomycetes, or bacteria carried on, in, or with the seed. Some types of seed, such as sweet corn and field corn, may carry extremely high levels of potential pathogens. Nearly ...
Barley, Oat, Rye, Triticale, and Wheat Seed Treatments R. S. Karow, Extension Cereal Specialist, OSU Good seed coverage is essential because current small-grain seed treatments do not have a vapor action. Follow manufacturers’ application recommendations ...
APHIS List of Regulated Hosts and Plants Proven or Associated with Phytophthora ramorum Proven Hosts Regulated for Phytophthora ramorum Regulated plants are those adapted from other regulated lists or were added upon completion, documentation and review o ...
Susceptibility of Conifer Seedlings to Phytophthora Root Rot Susceptibility of Conifer Seedlings to Phytophthora Root Rot* Highly Tolerant Western Redcedar Lodgepole Pine Ponderosa Pine Western Larch Tolerant Incense Cedar Sitka Spruce Engelmann Spruce We ...
Powdery Mildew Diseases Dean A. Glawe, Plant Pathologist, Emeritus, WSU Gary G. Grove, Plant Pathologist and Extension Plant Pathologist, WSU Powdery mildews rank among the most important diseases of food and ornamental plants. Damage can result from deat ...
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