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Pests, Plant Diseases, and Weeds
Pests and Plant Diseases
2019 Cranberry Pest Management Guide
Charts and text list and describe chemical control measures suggested for the more common insect pests and diseases of cranberries in Washington State, and chemical compatibility. (Annual) ...
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Acid Soils- How Do They Interact with Root Diseases? (Soil Acidification Series)
As soil acidification continues to be a concern for growers in the Pacific Northwest, WSU researchers are working to provide information and recommendations for how to mitigate adverse effects. Root d ...
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Anobiid Beetles in Structures
Online Only
The anobiid beetles can cause a lot of structural damage to wooden buildings before being discovered because they are usually out of sight. Hemicoelus gibbicollis (Le ...
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Antibiotic Residues and Use Patterns on Apples and Pears
The use of antibiotics in agriculture is under scrutiny because of concerns about the potential for development of resistance to medical antibiotics. This publication discusses the use of antibiotics ...
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Apple Scab
Apple scab is a fungal disease that is most common in areas of high rainfall and relative humidity. Spots and lesions develop on leaves and fruit. Illustrations identify symptoms and describe the fung ...
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Apple-And-Thorn Skeletonizer
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Following mild winters, the apple-and-thorn skeletonizer, Eutromula pariana, can be a serious pest in home orchards. It affects all fruit growing areas of Washington state. ...
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Aquatic Pest Control
Describes state and federal regulations involving pest control in aquatic environments. Acute and indirect effects of aquatic pesticide use. Management of aquatic vegetation, pest fish, mosquitoes, bl ...
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Bacterial Ring Rot on Potatoes
This fact sheet outlines the disease cycle of ring rot, and approaches for sanitation and control by commercial potato growers and seed potato growers alike. ...
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Bacterial Soft Rot and Lenticel Spot on Potato Tubers
Bacterial lenticel spot is one manifestation of bacterial soft rot on potato which is initiated at tuber lenticels. Soft rot is a wet, mushy rot of plant tissues that progresses rapidly, especially wh ...
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