Plant Disease Identification and Control

Information on plant disease identification and control, including rot, freeze damage, rust, blight, mold, scales, bacteria, viruses, fungus, wilt, mildew, gall, mites, moths and cankers. Tips on integrated pest management and herbicide summaries.

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Stay Alert for Oak Wilt!
Stay Alert for Oak Wilt! - Articles Articles

Stay Alert for Oak Wilt!

Sandy Feather

Oak wilt was not known in New York before 2008, but foresters and arborists are managing it there now. More
Septoria leaf spot on Rudbeckia (Photo by S. Guiser)
Bud Break: A Key Time for Controlling Plant Diseases - Articles Articles
Not only do you and I look forward to Spring weather, fungi, bacteria, phytoplasmas and other plant pathogens also gear up for the season. More
Fire blighted flowers. Photo: Gary Moorman
Fire Blight in Ornamentals - Articles Articles

Fire Blight in Ornamentals

Gary W. Moorman, Ph.D.

Fire blight is a disease caused by the bacterium Erwinia amylovora. More
Walnut Anthracnose
Walnut Anthracnose - Articles Articles

Walnut Anthracnose

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Walnut Anthracnose disease. More
Willow Diseases
Willow Diseases - Articles Articles

Willow Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Willow diseases. More
Catalpa Diseases
Catalpa Diseases - Articles Articles

Catalpa Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Catalpa diseases. More
Ornamental Cherry Diseases
Ornamental Cherry Diseases - Articles Articles

Ornamental Cherry Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Cherry diseases. More
Chestnut Diseases
Chestnut Diseases - Articles Articles

Chestnut Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Chestnut diseases. More
Cotoneaster Diseases
Cotoneaster Diseases - Articles Articles

Cotoneaster Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Cotoneaster diseases. More
Crabapple Diseases
Crabapple Diseases - Articles Articles

Crabapple Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Crabapple diseases. More
Dogwood Diseases
Dogwood Diseases - Articles Articles

Dogwood Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Dogwood diseases. More
Elm Diseases
Elm Diseases - Articles Articles

Elm Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Elm diseases. More
Euonymus Diseases
Euonymus Diseases - Articles Articles

Euonymus Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Euonymus diseases. More
Forsythia Diseases
Forsythia Diseases - Articles Articles

Forsythia Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Forsythia diseases. More
Maple Diseases
Maple Diseases - Articles Articles

Maple Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Maple diseases. More
Mountain Ash Diseases
Mountain Ash Diseases - Articles Articles

Mountain Ash Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Mountain Ash diseases. More
Oak Diseases
Oak Diseases - Articles Articles

Oak Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Oak diseases. More
Pieris Diseases
Pieris Diseases - Articles Articles

Pieris Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Pieris diseases. More
Poplar Diseases
Poplar Diseases - Articles Articles

Poplar Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Poplar diseases. More
Redbud Diseases
Redbud Diseases - Articles Articles

Redbud Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Redbud diseases. More
Rose Diseases (Outdoors)
Rose Diseases (Outdoors) - Articles Articles

Rose Diseases (Outdoors)

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Rose Diseases (Outdoors) diseases. More
Tulip Poplar Diseases
Tulip Poplar Diseases - Articles Articles

Tulip Poplar Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Tulip Poplar diseases. More
Viburnum Diseases
Viburnum Diseases - Articles Articles

Viburnum Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Viburnum diseases. More
Lily Of The Valley (Convallaria) Diseases
Lily Of The Valley (Convallaria) Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Lily Of The Valley (Convallaria) diseases. More
Rose Diseases (Greenhouse)
Rose Diseases (Greenhouse) - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Rose Diseases (Greenhouse) diseases. More
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