A. Your pear tree has scab disease — a fungus disease that affects both pears and apples. It can be controlled by spraying a good fungicide (like daconil) three or four times in the spring. Spray when ...

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 ...

Q: I have an apple tree that has some curled leaves and also has several limbs that have died back. The new growth at the ends of the limb are almost black in color. A: This sounds like your tree has ...