Nov 13, 2019 · Fire blight affects a lot of plants in the rose family (Rosaeae) which, as you probably guessed, includes roses. The rose family also includes the genera Pyrus (pears) and Prunus. Within the genus Prunus are apples, peaches, cherries, plums, raspberries, and other valuable fruiting crops.

Fire blight is caused by the bacterium Erwinia amylovora. This disease affects over 130 plant species in the Rosaceae family worldwide. In Minnesota, fire blight is most often seen on apple and crabapple (Malus spp.) and mountain ash (Sorbus spp.).

Jul 26, 2021 · Fire blight gets its name from the burnt appearance of affected blossoms and twigs. The symptoms of fire blight can appear as soon as trees and shrubs begin their active growth. The first sign of fire blight is a light tan to reddish, watery ooze coming from the infected branch, twig, or trunk cankers.

Nov 15, 2023 · This bacterium can attack more than 75 species of trees and shrubs in the rose family of plants including apple, pear, quince, mountain ash, crabapple, hawthorn, cotoneaster, serviceberry, and pyracantha. The bacterium overwinters on infected plants in darkened, slightly sunken cankers.

Oct 15, 2004 · Fire blight attacks blossoms, leaves, shoots, branches, fruits, and roots. Here are some facts and methods to help you avoid and control the disease. The disease affects plants in the Rosaceae family, which includes trees and shrubs in …

Dec 23, 2024 · Fire blight is a highly infectious bacterial disease that usually affects the members of the Rosaceae family, especially apples, pears, quince, and other ornamental plants. The disease is characterized by a burnt appearance on infected parts of the plant.

Fire Blight is a plant disease that poses a threat to fruit trees, causing wilting and blackened branches. Learn to identify and treat it.

Symptoms of fire blight include a sudden brown to black withering and dying of blossoms, fruit spurs, leaves, twigs, and branches. Very susceptible plants appear as if scorched by fire and may die.

Fire blight is most common and destructive on apple, crabapple (Malus) and pear (Pyrus). While many other rosaceous plants can serve as hosts (e.g. Cotoneaster, Crataegus and Sorbus), the disease is uncommon on these hosts in southern New England.

Jul 23, 2015 · Fire blight is the most destructive bacterial disease affecting plants in the rose family, including apple, pear, crabapple, hawthorn, cotoneaster, mountain ash, quince, rose, firethorn (Pyracantha), and spirea. It can disfigure or kill a tree or shrub, depending on the susceptibility of the host and weather conditions.