Fire Blight of Ornamental Pears

By: Sheila McBride and David Appel Fire blight causes vascular wilt in many varieties of pome trees (apples, pears, and ornamental pears) and members of the Rosaceae family (a wide range of trees, shrubs, herbs, and ornamental plants such as roses, strawberries, figs, and mulberries). With vascular wilt diseases, pathogens block the water-carrying (vascular) system … Continue reading Fire Blight of Ornamental Pears