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Broad Mites on Blackberries
Broad Mites on Blackberries - Articles Articles
Broad mite (Polyphagotarsonemus latus) has been problematic for pepper growers in PA for the last couple of years. Now we can add blackberries to the list of crops that they frequent. More
Strawberries on Matted Row
Strawberry Production - Articles Articles

Strawberry Production

Kathy Demchak, Jayson K. Harper, Ph.D.

The high value of strawberries creates potential for sizable profit from a small planting; however, the potential for serious problems also exists. More
Photo by Kathy Demchak.
Angular Leaf Spot of Strawberries - Articles Articles
Angular leaf spot, caused by the bacterium Xanthomonas fragariae, is frequently problematic in strawberry plantings. More
liz west, Flickr
Black Raspberry Streak - Articles Articles

Black Raspberry Streak

Kathy Demchak

During warm periods, inconspicuous purple streaks less than 1 inch long form on the lower part of infected canes. More
Photo by Kathy Demchak.
Black Root Rot in Strawberries - Articles Articles
Black root rot is known as a "disease complex," meaning that it can be caused by several factors. More
Photo by Kathy Demchak.
Black Rot in Grapes - Articles Articles

Black Rot in Grapes

Kathy Demchak

Black rot is one of the most serious diseases of grapes in the eastern United States. More
Eric Coombs, Oregon Department of Agriculture,
Crown Gall and Cane Gall - Articles Articles
Crown and cane gall are bacterial diseases that seriously limit raspberry production in Pennsylvania. More
Source: K. Demchak.
Crumbly Berry, Raspberry Bushy Dwarf - Articles Articles
Crumbly berry is the most common bramble virus in the Mid-Atlantic region. More
Source: B. Martin. USDA-ARS Horticulture Crops Research Unit
Leaf Curl Virus of Raspberries - Articles Articles
Raspberries are affected more severely by leaf curl than are blackberries. More
Source: Frank Louws, NCSU.
Leather Rot in Strawberries - Articles Articles
Leather, or crown rot, infection is favored by warm, wet weather and poorly drained soil. The fungus attacks berries in the field at all stages of growth. More
Source: Edward Beasley, University of Georgia,
Mummy Berry - Articles Articles

Mummy Berry

Kathy Demchak

Mummy berry is the most serious and widespread disease of highbush, lowbush, and rabbiteye blueberries. It is most serious following moist, spring weather conditions. More
Source: André Bolay, St. Fédér. de Recherches Agronomiques de Changins,
Phytophthora Root Rot in Raspberries - Articles Articles
Phytophthora root rot is now regarded as a major cause of declining red raspberry plantings. More
Source: SCRI-Dundee , Scottish Crop Research Institute,
Red Stele in Strawberries - Articles Articles
Red stele, or red core, is the most serious disease of strawberry in areas with cool, moist soil conditions. More
Source: SCRI-Dundee , Scottish Crop Research Institute,
Virus Diseases of Raspberries and other Brambles - Articles Articles
Virus diseases can seriously damage brambles, especially raspberries, and can affect the lifetime of a planting. More
Red Raspberries
Red Raspberry Production - Articles Articles

Red Raspberry Production

Kathy Demchak, Jayson K. Harper, Ph.D., Lynn Kime

Raspberry production is well suited to small farms, as a small area of raspberries can provide significant income and equipment needs for an acre or so of raspberries are not great. More
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