Pests and Diseases

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Walnut Anthracnose
Walnut Anthracnose - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Walnut Anthracnose disease. More
Hawthorn Diseases
Hawthorn Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Hawthorn diseases. More
Hemlock Diseases
Hemlock Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Hemlock diseases. More
Hickory Diseases
Hickory Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Hickory diseases. More
Scott Bauer, USDA Agricultural Research Service, Bugwood.org
Gray Mold on Strawberries - Articles Articles
Gray mold, or botrytis blight, is a common disease of a number of nonwoody plants worldwide and causes a greater loss of strawberry flowers and fruit than any other disease. More
Todd M. Gilligan and Marc E. Epstein, TortAI: Tortricids of Agricultural Importance, USDA APHIS ITP, Bugwood.org
Cherry Fruitworm on Blueberries - Articles Articles
The cherry fruitworm, Grapholita packardi (Zeller), overwinters as large larvae in cavities usually made in the dead wood on the bush. More
H.J. Larsen, Bugwood.org
Apple Crown and Collar Rot - Articles Articles
Crown rot continues to be a major cause of tree death in Pennsylvania orchards. Certain rootstocks are more susceptible than others, and the disease often occurs on heavy, poorly drained soils. More
Young crown gall
Crown Gall of Woody Plants - Articles Articles
Crown gall is caused by bacteria belonging to the genus and species Agrobacterium tumefaciens. This bacterium can infect a wide range of herbaceous and woody plants. More
Eric Coombs, Oregon Department of Agriculture, Bugwood.org
Crown Gall and Cane Gall in the Home Fruit Planting - Articles Articles
Crown and cane gall are bacterial diseases that seriously limit raspberry production in Pennsylvania. More
Scab-resistant Apple Varieties for Home Orchards Scab-resistant Apple Varieties for Home Orchards - Articles
Scab-resistant apple varieties are ideal selections for home fruit production. More
How to Pasteurize Medium and Sterilize Containers and Tools
How to Pasteurize Medium and Sterilize Containers and Tools - Articles Articles

How to Pasteurize Medium and Sterilize Containers and Tools

Jim Sellmer, Ph.D., Kathy Kelley, Ph.D.

To increase the survival rate for seedlings during germination, containers and tools should be sterilized and pasteurized or sterile soilless mixes should be used as growing medium. More
White-tailed deer fawn
Deer-Resistant Plants - Articles Articles
Listing of flower garden plants (and some choice woody plants) that are categorized by type of garden and resistance to deer. More
Information on Seed Packets Information on Seed Packets - Articles

Information on Seed Packets

Elsa Sanchez, Ph.D.

When considering starting your plants from seed, it is useful to know what information is found on the seed packet. More
University of Georgia Plant Pathology , University of Georgia, Bugwood.org
Downy Mildew on Grapes - Articles Articles
Downy mildew is caused by a fungus that can infect berries, leaves and young shoots. More
Penn State Department of Plant Pathology & Environmental Microbiology Archives, Penn State, Bugwood.org
Pythium - Articles Articles
Root rot can be caused by several different species of the fungus-like organism Pythium. More
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