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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In recognition of their work in eradicating Plum Pox Virus, research and industry partners received a USDA award. Pictured is Jim Lerew, one of the local growers recognized in the ceremony.
Plum Pox Eradication in PA - A Blueprint for Future Plant Disease Outbreaks - Articles Articles
In an increasingly global society, the transmission of viruses and various diseases has been facilitated through our own technologies. More
Dull, olive green areas visible on the undersides of leaves are the first evidence of apple scab.
Tree Fruit Disease - An Apple Scab Review - Articles Articles
Early season apple disease management is primarily directed at controlling scab. 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
Plum Pox Virus and Other Diseases of Stone Fruits
Plum Pox Virus and Other Diseases of Stone Fruits - Guides and Publications Guides and Publications

Plum Pox Virus and Other Diseases of Stone Fruits

Robert Crassweller, Ph.D., Grzegorz (Greg) Krawczyk, Ph.D., James Travis, Ph.D., Frederick E. Gildow, Jr., Ph.D.

88

$10.00
Identify what could be affecting your stone fruit. More
Leaf Spots in Strawberries in Home Fruit Plantings
Leaf Spots in Strawberries in Home Fruit Plantings - Articles Articles
A wide array of leaf spots infect strawberry species, including birds-eye leaf spot, black leaf spot, septoria leaf spot, cercospora leaf spot, alternaria leaf spot, red spot, and angular leaf spot. More
Manejo Integrado de Plagas (MIP) en Huertos de Manzana
Manejo Integrado de Plagas (MIP) en Huertos de Manzana - Videos Videos

Manejo Integrado de Plagas (MIP) en Huertos de Manzana

Tara Baugher, Kari A. Peter, Ph.D., Dave Biddinger, Ph.D., Hector Nunez Contreras

9:46

En este corto video, usted aprenderá principios básicos de exploración para enfermedades comunes en huertos – sarna o roña de la manzana - algunas plagas de ácaros y organismos benéficos. More
Pest Management Methods
Pest Management Methods - Articles Articles

Pest Management Methods

Emelie Swackhamer, J. Robert Nuss, Larry Kuhns, Gregory Hoover

IPM (integrated pest management) primarily consists of methods used to prevent plant problems from occurring in the first place. More
Monitor Pests and Keep Records
Monitor Pests and Keep Records - Articles Articles

Monitor Pests and Keep Records

Emelie Swackhamer, J. Robert Nuss, Larry Kuhns, Gregory Hoover

Inspecting your plants on a regular basis is essential to identifying and evaluating plant problems in their early stages. More
Using Nature's Signals to Manage Landscape Pests
Using Nature's Signals to Manage Landscape Pests - Articles Articles

Using Nature's Signals to Manage Landscape Pests

Emelie Swackhamer, Gregory Hoover

The best way to make an effective pesticide application is to observe pest development at the site through regular monitoring. More
Botrytis Fruit Rot on Brambles in the Home Garden
Botrytis Fruit Rot on Brambles in the Home Garden - Articles Articles
Botrytis fruit rot or gray mold is the most common and most serious disease of Rubus species worldwide. More
Cane Blight on Brambles in the Home Garden
Cane Blight on Brambles in the Home Garden - Articles Articles

Cane Blight on Brambles in the Home Garden

Robert Crassweller, Ph.D.

Cane blight usually affects only canes that have been wounded in their vegetative year. Black raspberry is more susceptible to this disease than other brambles. More
Sandra Jensen, Cornell University, Bugwood.org
Late Leaf Rust of Brambles in Home Fruit Plantings - Articles Articles
Late leaf rust can be a problem on fall-bearing raspberries. More
Powdery Mildew in Brambles in Home Fruit Plantings
Powdery Mildew in Brambles in Home Fruit Plantings - Articles Articles
Powdery mildew is occasionally a serious problem on susceptible varieties of red and black raspberries. Infected plants may be stunted and less productive. More
Spur Blight in Home Raspberry Plantings
Spur Blight in Home Raspberry Plantings - Articles Articles

Spur Blight in Home Raspberry Plantings

Robert Crassweller, Ph.D.

Red and purple raspberries are more affected by spur blight than black raspberries. Blackberries appear to be immune. More
Pest Management in Brambles in Home Fruit Plantings
Pest Management in Brambles in Home Fruit Plantings - Articles Articles
The following practices will help in both insect and disease control. More
Penn State Department of Plant Pathology & Environmental Microbiology Archives, Penn State, Bugwood.org
Rust Diseases of Brambles in the Home Fruit Planting - Articles Articles
Orange rust is a fungal disease that occurs only on brambles, particularly blackberries, dewberries, and black raspberries. More