Fire blight is a highly destructive disease of apple and pear that can occur in both commercial and home plantings. Many landscape trees and shrubs in the rose family are ...

Fire blight, caused by the bacterial pathogen Erwinia amylovora, poses a serious threat to pome fruit cultivation and other rosaceous species worldwide. Recent advances in genetics and molecular ...

Pruning apple trees encourages growth and reduces the risk of disease. Prune apple trees in late winter or early spring to prevent disease and help healing. Limit pruning to 25 percent of the tree to ...