A fact sheet from Ohio State University. Details the methods for diagnosing such problems as water and light stress, pollutant ...
- Agriculture - Horticulture - Ornamentals - Pests And Diseases
Photograph of an infected leaf with information on hosts, symptoms, life cycle and a description of these pests.
Publishes weekly alerts, articles and factsheets, and details of training opportunities for professional horticulturists.
