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.

19 Results

List Grid

Source: Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org
Bramble Disease - Spur Blight - Articles Articles
Red and purple raspberries are more affected by spur blight, Didymella applanata, than black raspberries. Blackberries appear to be immune. More
Source: André Bolay, St. Fédér. de Recherches Agronomiques de Changins, Bugwood.org
Raspberry Disease - Phytophthora Root Rot - Articles Articles
Phytophthora root rot, Phytophthora species, is now regarded as a major cause of declining red raspberry plantings. More
Source: B. Martin. USDA-ARS Horticulture Crops Research Unit
Bramble Disease - Leaf Curl Virus - Articles Articles
Raspberries are affected more severely by leaf curl than are blackberries. More
Source: K. Demchak.
Bramble Disease - Crumbly Berry - Articles Articles
Crumbly berry, also called raspberry bushy dwarf, is the most common bramble virus in the Mid-Atlantic region. It is caused by the tomato ringspot virus. More
Eric Coombs, Oregon Department of Agriculture, Bugwood.org
Raspberry Diseases - Crown Gall and Cane Gall - Articles Articles
Crown gall, Agrobacterium tumifaciens, and cane gall, Agrobacterium rubi, are bacterial diseases that seriously limit raspberry production in Pennsylvania. More
stem canker (Leptosphaeria coniothyrium). Photo: Florida Division of Plant Industry , Florida Department of Agriculture and Consumer Services, Bugwood.org
Bramble Disease - Cane Blight - Articles Articles
Cane blight is caused by the fungus Leptosphaeria coniothyrium, which also causes a canker on roses and a fruit rot of apple and pear. More
Photo by Kathy Demchak.
Raspberry Disease - Anthracnose - Articles Articles
Anthracnose, commonly called "cane spot" or "gray bark," occurs in several species of Rubus. More
Aphids on Raspberries in Home Gardens
Aphids on Raspberries in Home Gardens - Articles Articles
Aphids are pear-shaped, tiny (1/16 to 3/8 inch long), soft-bodied, sucking insects with small heads and a pair of cornicles ("exhaust pipes"). More
R. Stace-Smith, Bugwood.org
Leaf Curl Virus of Brambles in Home Gardens - Articles Articles
Raspberries are affected more severely by leaf curl than are blackberries. More
Howard F. Schwartz, Colorado State University, Bugwood.org
Home Fruit Gardens: Verticillium Wilt in Brambles - Articles Articles
Verticillium wilt is caused by two common soilborne fungi. These fungi have a wide host range and attack more than 300 woody and herbaceous plants. More
Edward L. Barnard, Florida Department of Agriculture and Consumer Services, Bugwood.org
Phytophthora Root Rot in Raspberries in the Home Garden - Articles Articles
Phytophthora root rot is now regarded as a major cause of declining red raspberry plantings. More
Eugene E. Nelson, Bugwood.org
Mites in Brambles in Home Fruit Plantings - Articles Articles
Leaves infested by the two-spotted spider mite, Tetranychus urticae (Koch), first appear to have areas of white stippling. Later, the leaves may bronze, dry, and eventually fall off. More
Home Orchard: Table 2.3. Pesticide Application Amounts
Home Orchard: Table 2.3. Pesticide Application Amounts - Articles Articles
Informational table showing pesticide application amounts on fruit. More
Home Fruit Gardens: Table 1.2. Monthly Maintenance
Home Fruit Gardens: Table 1.2. Monthly Maintenance - Articles Articles
Your schedule may vary from the one below by as much as 2 weeks (earlier or later) depending on the region of Pennsylvania in which you are located. More
Plant Quality in Home Fruit Plantings
Plant Quality in Home Fruit Plantings - Articles Articles
Purchase well-grown, heavily rooted, one-year-old plants of all fruits except blueberries and brambles. Two-year-old blueberry plants are recommended. 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
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
Pests and Pesticides in Home Fruit Plantings
Pests and Pesticides in Home Fruit Plantings - Articles Articles
Can fruit crops be grown in the home garden without pesticides? The answer is yes, but fruit quantity and quality may decrease. 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