Fire blight is a serious bacterial disease caused by Erwinia amylovora that affects various fruit trees, particularly apples and pears. This disease poses significant challenges to fruit ...

Fire blight infects ornamental fruit trees such as this callery pear, a popular landscape tree. Symptoms include cankers on branches, wilted shoots and blacked leaves, which give trees a “scorched” ...

Apple or pear trees with fire blight should be trimmed 10-12 inches below the affected areas, when weather is dry, cleaning pruners between cuts. Control of scab and leaf spot should begin at bud ...

Bradford pear trees are a variety of the callery pear, which was introduced to the U.S. from Asia in the early 1900s in an attempt to fight the fire blight of the common pear. The seeds of these ...

Because of fire blight, a disease affecting pear and apple trees, the Callery pear was introduced in breeding programs to resist the disease. It then quickly became a favorite in landscaping for ...