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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Photo 1. Early symptom of orange rust. Photo: K. Demchak
Bramble Disease - Managing Orange Rust - Articles Articles

Bramble Disease - Managing Orange Rust

Kathy Demchak, mahfuzur rahman

Orange rust, Gymnoconia nitens, is a systemic disease, any plants propagated from infected plants will also be infected. 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
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
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
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
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
Source: SCRI-Dundee , Scottish Crop Research Institute, Bugwood.org
Bramble Diseases - Viruses - Articles Articles
Virus diseases can seriously damage brambles, especially raspberries, and can affect the lifetime of a planting. More
Raspberry Mosaic Virus. Photo by K. Demchak.
Bramble Diseases - Virus Control - Articles Articles
Control measures for virus diseases in brambles are aimed mainly at removing sources of the virus from within and around the planting. More
Bramble Disease - Verticillium Wilt
Bramble Disease - Verticillium Wilt - Articles Articles
Verticillium wilt is caused by two common soilborne fungi (Verticillium dahliae and Verticillium albo-atrum) that have a wide host range and attack more than 300 woody and herbaceous plants. 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
Eric Coombs, Oregon Department of Agriculture, Bugwood.org
Crown Gall and Cane Gall in the Home Fruit Planting - Articles Articles
Crown and cane gall 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
liz west, Flickr
Bramble Disease - Black Raspberry Streak - Articles Articles
Black raspberry streak is caused by a virus. During warm periods, inconspicuous purple streaks less than 1 inch long form on the lower part of infected canes. 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
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
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
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
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
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
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
Anthracnose in Home Plantings of Brambles
Anthracnose in Home Plantings of Brambles - Articles Articles
Anthracnose, is considered an extremely serious disease of black, purple, and susceptible varieties of red raspberry. 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