Fireblight
Erwinia amylovora
- Branch cankers have dark, sunken & cracked bark, sapwood is streaked reddish brown
- Infected leaves wilt, turn gray then dark brown
- Young shoots bend over forming a "shepherd's crook"
- Infected blossoms first turn gray, then black
- Infected leaves & blossoms remain attached to the tree, often even in winter
- Infected fruit are shriveled and discolored
- Drops of sticky honey colored liquid can be seen on infected plant parts in warm wet weather
- More information on Fireblight...
