FAX 440-564-1378 Fire blight, caused by Erwinia amylovora, is a devastating disease of apples and pears, causing enormous economic losses around the world. The stump of a razed apple tree at the Tower Hill Botanic Garden in Boylston, Mass., showing markings where staff members had tried to thwart fire blight with antibiotic injections. Certain plants in the rose family (Rosaceae), including many ornamental plants, can be affected by fire blight. Planting apple trees far enough apart to allow good air circulation makes them less susceptible. Fire blight, also written fireblight, is a contagious disease affecting apples, pears, and some other members of the family Rosaceae.It is a serious concern to apple and pear producers. Tree care professionals are experienced in treating disease, up to date on best practices for both spraying and pruning, and have the specialized equipment needed to properly apply disease treatments. Fire blight is a bacterial disease that can kill branches and whole plants of many members of the rose family, including apple, pear, quince and crabapple. The infectious cankers of fire blight can destroy an entire tree if not caught in time. Some of these include crabapple, pyracantha, cotoneaster, hawthorn, photinia, quince, serviceberry, loquat, and s… An apple tree of the variety Gala (left) dies upon infection with fire-blight, while trees were a resistance gene had been added are able to ward the pathogen off. Tree Removal & Stump Grinding The rose family also includes the genera Pyrus (pears) and Prunus. The cankers usually ooze a gooey, tan-colored liquid. Heavy pruning during warm, wet weather can promote this disease and should be avoided. Fire blight poses a serious threat to new and established orchards of apple and pear. Symptoms of fire blight can be observed on all above-ground tissues including blossoms, fruits, shoots, branches, limbs and on the rootstock near the graft union on the lower trunk. Fire blight is a disease that can kill blossoms and shoots and cause dieback of branches from cankers. Overview Fire bight is caused by the bacterium Erwinia amylovora. Fire blight symptoms on an apple tree.Image by Penn State Department of Plant Pathology & Environmental Microbiology Archives, Penn State University, Bugwood.org. It attacks soft new growth first, so you would notice dieback at the top of the plant. Recent reports of the disease in China's neighboring countries, including South Korea, Kyrgyzstan, and Kazakhstan, pose great threat to … Fire blight on the branch of an apple tree. Severe fire blight can cause trees to die. Fire Blight. Last year the fire blight was minor and much fruit was set, but it all dropped very early in the year for reasons unknown. Fire blight is one of the most difficult diseases of apple and pear to manage, and no one procedure will give complete control. Pathogen cells can also be moved from old cankers to flowers by splashed and wind-blown rain. If new foliage on your fruit trees or ornamental shrubs looks like it has been torched, or if there are patches of dead foliage and twigs in an otherwise healthy looking tree crown, you might be looking at fire blight. Fire blight is a destructive bacterial disease of apples and pears that kills … Infection of blossoms occurs during warm weather in conjunction with wetting events. As the infection progresses, the trees' leaves, bark and fruit can take on a blackened appearance, as though scorched by fire, which gives the infection its name. If so, here is important information about the possible cause and what to do about it. 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