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Insects & Pests

Spruce Disorders in ND

Diagnosing Spruce Disorders in North Dakota - F1818

Over a dozen disorders of spruce trees are presented. Disorders include insects, diseases, human-caused problems, environmental disorders and others. Color photos are included.

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Pesticide Safety

Pesticide Safety: A Guide for Gardeners and Homeowners - H1096

Pesticides include natural and man-made substances such as insecticides, herbicides, fungicides, disinfectants and rodenticides. They are used to help control, destroy and repel destructive pests such as insects, weeds, plant disease organisms, germs and rodents.

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Growing Houseplants

Houseplants Proper Care and Management of Pest Problems - PP744

This publication summarizes how to properly grow houseplants and control the insect and mite pests and diseases that infest houseplants. Pest identification, damage symptoms and pest management strategies are described for insect and mite pests and diseases.

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Home Lawn Problems and Solutions for ND

Home Lawn Problems and Solutions for North Dakota - H1553

The intent of this publication is to assist the homeowner in identifying problems and providing advice on actions they can take to solve these problems.

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Two Needle Diseases of Spruce in ND

The Old and the New: Two Needle Diseases of Spruce in North Dakota - F1680

Spruce (Picea spp.) is commonly planted in urban and rural landscapes in North Dakota and frequently suffers from needle loss. In general, healthy spruce retain four or more age classes of needles. Premature needle loss of spruce is the result of a variety of causes: improper planting, environmental stress, insect pests and disease. Rhizosphaera needle cast and stigmina needle cast are two of the most common diseases associated with spruce needle loss in North Dakota.

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Spotted Wing Drosophila in ND

Integrated Pest Management of Spotted Wing Drosophila in North Dakota - E1715

The spotted wing Drosophila (SWD), Drosophila suzukii, is a small vinegar fly that was first confirmed in ND in 2013 as an invasive pest of fruits (raspberries, tart cherries, strawberries). The SWD lays its eggs in healthy, ripening fruits. Then, larvae hatch from eggs and feed on the fruit causing spoilage. Identification, life cycle, damage and pest management strategies of SWD are discussed.

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Dutch Elm Disease in ND

Dutch Elm Disease in North Dakota: A New Look - PP1635

Dutch elm disease (DED) has been spreading across North America since the 1920s. It first was reported in North Dakota in Mandan in 1969, and it reached eastern North Dakota by 1973. DED has been confirmed in every North Dakota county.

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Insects frequently confused with Emerald Ash Borer in North Dakota

Insects Frequently Confused with Emerald Ash Borer in North Dakota - E1604

The Emerald ash borer is a beetle (Order Coleoptera). Beetles are recognized by having shell-like front wings called elytra. When the wings are folded, they meet forming a median line down the back. Currently, Emerald ash borer has not been found in North Dakota.

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horticulture in North Dakota: Seasonal Tidbits and Tips

Horticulture In North Dakota: Seasonal Tidbits and Tips - H1585

This publication contains the winter problems, early spring's activities, summertime care and concern and the fall into winter horticultural practices.

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