Recent research has focused on identifying genetic resources and molecular markers that can enhance fire blight resistance in fruit trees, particularly through the study of wild apple species and ...

Common members of this family include apple and crab apple, pear, mountain ash ... and other types of flowering trees. Treatment for bacterial blight is the same as for fire blight. We encourage you ...

Black rot is occasionally a problem on Minnesota apple trees. This fungal disease causes leaf spot, fruit rot and cankers on branches. Trees are more likely to be infected if they are: Not fully hardy ...