Apples, pears, crabapples and even some ornamentals are infected by fire blight, a destructive bacterial disease. Fire blight damage is noticeable when infected leaves suddenly turn brown, as if ...

We may receive a commission on purchases made from links. When we first moved into our home, there was a spindly pear tree.

Srdjan Acimovic, an assistant professor at Virginia Tech University, shaves away bark to examine the spread of fire blight in a pear tree branch at Oregon State University’s Southern Oregon Research ...

Q: I have a 6-year-old pear tree with fire blight. I have two other pear trees and three apples. How can I keep the one tree alive, and what can I do to prevent spread of the disease? A: The past few ...

Fire blight, caused by Erwinia amylovora, is a severe disease of pear (Pyrus communis). Highly vigorous trees are more sensitive to E. amylovora damage after summer pruning. Trees grown in ...

Apples grow in a test plot at Washington State University’s Sunrise Research Orchard in Wenatchee, Wash. A WSU researcher has used a microorganism to create a compound that could fight destructive ...

A highly contagious disease that can wipe out an apple orchard threatens Connecticut’s fruit crop. But there’s help on the way. Fire blight, a bacteria that gets into the apple tree as it is flowering ...