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 ...

This press release is also available in Spanish. Apple Scab and Fire Blight are two of the most important diseases affecting apple trees. The Venezuelan biologist, Alejandro Martínez Bilbao, has ...

Ornamental pear, crabapple, apple, hawthorn and pear have had an increase in fire blight disease. Leaf browning or blackening and branch dieback have occurred over the last few growing seasons.

Erwinia amylovora, the causal agent of fire blight, poses a severe threat to pome fruit cultivation worldwide, notably in apple and pear orchards. Infection typically initiates at blossoms or wounds, ...

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 ...