Plant Disease Identification and Control

465 Results

List Grid

2014: The Year of Fire Blight (photo courtesy of B. Lehman)
Disease Update: The Fire Blight Saga Continues - News News
Fire blight is being reported throughout Pennsylvania and Maryland. Management strategies are discussed for dealing with active fire blight infections. More
Walnut Anthracnose
Walnut Anthracnose - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Walnut Anthracnose disease. More
Penn State Department of Plant Pathology & Environmental Microbiology Archives, Penn State, Bugwood.org
Grape Ivy (Cissus) Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Grape Ivy (Cissus) diseases. More
Hawthorn Diseases
Hawthorn Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Hawthorn diseases. More
Hickory Diseases
Hickory Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Hickory diseases. More
Scott Bauer, USDA Agricultural Research Service, Bugwood.org
Gray Mold on Strawberries - Articles Articles
Gray mold, or botrytis blight, is a common disease of a number of nonwoody plants worldwide and causes a greater loss of strawberry flowers and fruit than any other disease. More
Hemerocallis (Daylily) Diseases
Hemerocallis (Daylily) Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Hemerocallis (Daylily) diseases. More
Aster Diseases
Aster Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Aster diseases. More
H.J. Larsen, Bugwood.org
Apple Crown and Collar Rot - Articles Articles
Crown rot continues to be a major cause of tree death in Pennsylvania orchards. Certain rootstocks are more susceptible than others, and the disease often occurs on heavy, poorly drained soils. More
Gloxinia Diseases
Gloxinia Diseases - Articles Articles
Informational table showing disease name, symptoms, pathogen/cause, and management of Gloxinia diseases. 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 Almond
Plum Pox Virus on Almond - Articles Articles
PPV symptoms on almond leaves. More
Plum Pox Virus on Apricot
Plum Pox Virus on Apricot - Articles Articles
PPV symptoms on apricot. More
Plum Pox Virus on Cherry
Plum Pox Virus on Cherry - Articles Articles
PPV symptoms on cherry. More
Plum Pox Virus on Nectarine
Plum Pox Virus on Nectarine - Articles Articles
PPV symptoms on nectarine. More
Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5