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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Whitney Cranshaw, Colorado State University, Bugwood.org
Cooley Spruce Gall Adelgid - Articles Articles
The most common host plants of Cooley spruce gall adelgid are Colorado blue spruce and Douglas-fir that are grown as landscape ornamentals and Christmas trees. More
Woody Ornamental Insect, Mite, and Disease Management
Woody Ornamental Insect, Mite, and Disease Management - Guides and Publications Guides and Publications

Woody Ornamental Insect, Mite, and Disease Management

Sharon I Gripp, Gregory Hoover, Gary W. Moorman, Ph.D.

116

$15.00
Manage insect, mite, and disease pests in your woody ornamentals and shade trees. 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
Norfolk Island Pine Diseases
Norfolk Island Pine Diseases - Articles Articles

Norfolk Island Pine Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Norfolk Island Pine diseases. More
Douglas-Fir Diseases
Douglas-Fir Diseases - Articles Articles

Douglas-Fir Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Douglas-Fir diseases. More
English Ivy (Hedera) Diseases
English Ivy (Hedera) Diseases - Articles Articles

English Ivy (Hedera) Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of English Ivy (Hedera) diseases. More
Needlecast Diseases
Needlecast Diseases - Articles Articles

Needlecast Diseases

Gary W. Moorman, Ph.D.

Needlecast diseases of evergreens are caused by several fungi. More
Pine Diseases
Pine Diseases - Articles Articles

Pine Diseases

Gary W. Moorman, Ph.D.

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

Privet Diseases

Gary W. Moorman, Ph.D.

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

Pyracantha Diseases

Gary W. Moorman, Ph.D.

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

Vinca Diseases

Gary W. Moorman, Ph.D.

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

Juniper Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Juniper diseases. More
Penn State Department of Plant Pathology & Environmental Microbiology Archives, Penn State, Bugwood.org
Grape Ivy (Cissus) Diseases - Articles Articles

Grape Ivy (Cissus) Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Grape Ivy (Cissus) diseases. More
Hawthorn Diseases
Hawthorn Diseases - Articles Articles

Hawthorn Diseases

Gary W. Moorman, Ph.D.

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

Hemlock Diseases

Gary W. Moorman, Ph.D.

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

Hickory Diseases

Gary W. Moorman, Ph.D.

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

Holly Diseases

Gary W. Moorman, Ph.D.

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

Leucothoe Diseases

Gary W. Moorman, Ph.D.

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

Spruce Diseases

Gary W. Moorman, Ph.D.

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

Mountain Laurel Diseases

Gary W. Moorman, Ph.D.

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

Taxus Diseases

Gary W. Moorman, Ph.D.

Informational table showing disease name, symptoms, pathogen/cause, and management of Taxus diseases. More
Cercospora spp., Cercospora fungi Photo: Yonghao Li, The Connecticut Agricultural Experiment Station, Bugwood.org
Leaf Spotting Fungi - Articles Articles

Leaf Spotting Fungi

Sinclair Adam

Leaf spotting fungi comprise a wide range of plant disease pathogens that do injury to many host plants. More
Impatiens, Downy Mildew - sporulation closeup, photo: Gary Moorman
Overview of Plant Diagnostics - Articles Articles
Getting to the bottom of a plant problem can be a challenge. More
Fruiting bodies on cone scales
Diplodia (Sphaeropsis) Tip Blight on Pine - Articles Articles
Austrian, Scots, ponderosa, mugo, red and other 2 and 3-needled pines are susceptible to the killing of shoot tips and branches by the fungus Diplodia pinea (formerly Sphaeropsis sapinea). More
Pseudomonas syringae: A common pathogen on woody plants
Pseudomonas syringae: A common pathogen on woody plants - Articles Articles
The bacterium Pseudomonas syringae, is an opportunistic pathogen which attacks a wide variety of woody plants especially when they are damaged by frost or injury. More
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