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