About This Episode Grumpy helps a reader deal with their diseased pear tree. Plus, the plant of the week. Question Of The ...

Instead of healthy young stems, our newly acquired pear tree looked like it was being scorched by extreme heat. Indeed, ...

Srdjan Acimovic lopped off a tree branch loaded with Bartlett ... “I like to call pear trees ‘lollipops’ for fire blight,” Acimovic said. Growers should consider the disease the top ...

If you find sticky, amber-colored droplets on your pear tree, your tree could be infected with fire pear blight, a bacterial disease caused by Erwinia amylovora. Unfortunately, this pathogen can ...

Fire blight was widespread at the time, and Callery pears are resistant to it. “The idea was they could possibly breed the two trees together and get a fruiting pear tree that showed good ...

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 ...

How did the Bradford pear tree become the darling of the landscapes in the eastern states? According to Campanis, the story began on the West Coast at the turn of the 20th century when fruit trees ...

Callery pear tree seeds were brought to the U.S. from China in 1916 to help breeders create fruit-bearing pear trees more resistant to fire blight, a disease that destroys leaves and fruit ...

Dear Neil: I have a 6-year-old pear tree that has 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?

The Callery pear tree − also known as the Bradford pear ... breeding programs in the U.S. because it was known to resist fire blight, a disease affecting pear and apple trees.

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 ...