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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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Damping-off in Tree Nurseries Michelle M. Cram, Plant Pathologist, USDA Forest Service, Forest Health Protection, Athens, Georgia Damping-off is a disease of germinating, and newly emerged, conifer and hardwood seedlings that results in decay of succulent ...
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Damping-off in Vegetable Seedlings Damping-off frequently attacks young seedlings of almost all kinds of vegetables. Just after seedlings have emerged from the soil, they are easily killed by fungus organisms likely to be present in any garden soil. Seedl ...
Mycotoxins Beneficial and harmful products that fungi produce draw researchers’ attention worldwide. Antibiotics inhibit microbial activity when administered at sublethal doses, providing important tools to manage infections, primarily bacterial, in human ...
Plants Resistant or Susceptible to Armillaria Root Rot Plants Resistant or Susceptible to Armillaria Root Rot Trees Resistant Susceptible incense cedar pines (MI) larch arborvitae (HI) Scots pine (MI) cedar (HI) Smoketree (LI Douglas-fir Ginkgo (LI) hemlo ...