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Russ Ottens, University of Georgia, Bugwood.org
Home Orchards, Table 2.1. Important Insects and Mites - Articles Articles
Informational table showing direct and indirect fruit pests. More
Young galls are light in color and with age become dark and hard, ½ inch to 3 or 4 inches in diameter. Photo by B. Butler.
Crown Gall - Articles Articles

Crown Gall

Kari A. Peter, Ph.D.

Crown gall is caused by a bacterium, Agrobacterium tumefaciens, and affects apples, pears, quince, peaches, nectarines, apricots, plums, and cherries. More
Plum Pox Virus on Cherry
Plum Pox Virus on Cherry - Articles Articles
PPV symptoms on cherry. More
Plum Pox Virus
Plum Pox Virus - Articles Articles

Plum Pox Virus

Kari A. Peter, Ph.D.

Plum pox virus (PPV), or Sharka, is a viral disease that infects not only plum but other economically important Prunus species. More
Spotted Wing Drosophila Part 4: Management
Spotted Wing Drosophila Part 4: Management - Articles Articles
This article provides information on managing spotted wing drosophila with cultural and chemical management practices. More
Spotted Wing Drosophila Part 1: Overview and Identification
Spotted Wing Drosophila Part 1: Overview and Identification - Articles Articles
This article provides information and photos to aid in identifying spotted wing drosophila, an invasive vinegar fly that was found in the Northeast in 2011. More
Spotted Wing Drosophila, Part 3: Monitoring
Spotted Wing Drosophila, Part 3: Monitoring - Articles Articles
This article explains how to monitor for spotted wing drosophila, an invasive vinegar (fruit) fly first detected in Pennsylvania in 2011, using traps. More
Figure 1
Spotted Wing Drosophila, Part 2: Natural History - Articles Articles
This article provides information on the environmental, host plant, and feeding preferences and life cycle of the spotted wing drosophila. More
Types of Weeds
Types of Weeds - Articles Articles
To adequately control weeds in the small-scale orchard, you should learn proper weed identification. More
Gerald Holmes, California Polytechnic State University at San Luis Obispo, Bugwood.org
Home Orchards: Table 2.4. Plant Protection Materials - Articles Articles
Informational table showing pesticides available for home garden use on various fruit crops. More
Black Knot Of Prunus in the Home Landscape
Black Knot Of Prunus in the Home Landscape - Articles Articles
The fungus Plowrightia morbosa (Apiosporina) causes the formation of dark brown to black, long, swollen galls or knots on the branches of most types of cultivated plums, prunes and cherries. More
Home Orchard: Table 2.3. Pesticide Application Amounts Home Orchard: Table 2.3. Pesticide Application Amounts - Articles
Informational table showing pesticide application amounts on fruit. More
Protect tart cherries during bloom to prevent cherry leaf spot infection.
Tree Fruit Diseases To Manage During The Month of May - Articles Articles
May is the battleground month for disease management: be on alert for apple scab, fire blight, powdery mildew, rust, cherry leaf spot, brown rot, and bacterial spot infection conditions. More
Large Plastic Delta trap with sticky liner baited with Oriental fruit moth sex pheromone lure
Monitoring Insects in Commercial Fruit Orchards - Articles Articles

Monitoring Insects in Commercial Fruit Orchards

Grzegorz (Greg) Krawczyk, Ph.D.

Monitoring insect pests continues to be one of the pillars of integrated pest management in Pennsylvania orchards. More
Yellow Jackets and Hornets in Pennsylvania Tree Fruit Orchards
Yellow Jackets and Hornets in Pennsylvania Tree Fruit Orchards - Articles Articles
While greater opportunities for biological control of some apple pests exist in today's orchards, we are seeing a greater diversity of generalist predators. More
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