U of M Gardening Information: What's wrong with my plant?

1 of 6

Credit: G. Sundin, Michigan State University, Michigan State University
Credit: G. Sundin, Michigan State University, Michigan State University
Credit: University of Georgia Plant Pathology Archive, University of
Georgia, Bugwood.org
- CLICK PHOTOS TO ENLARGE -

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
Branch cankers have dark, sunken & cracked bark, sapwood is streaked reddish brown
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 Fire Blight...

2 of 6

3 of 6

Credit: University of Georgia Plant Pathology Archive, University of Georgia, Bugwood.org
Credit: University of Georgia Plant Pathology Archive, University of
Georgia, Bugwood.org
Credit: University of Georgia Plant Pathology Archive, University of
Georgia, Bugwood.org
- CLICK PHOTOS TO ENLARGE -

4 of 6

Leaves on girdled branches wilt, die and turn brown
Branch cankers can be sunken, reddish brown or rough looking or cracked bark; cankers may remain small or enlarge to become several feet long
Round leaf spots with a purple border & tan center
Large brown spots with brown rings form on fruit
Fruit is rotted but remains firm
Fruit may become mummified and remain on tree
Common on stressed trees & trees infected with fire blight
More information on Black Rot...

5 of 6

6 of 6

Credit: M. Grabowski, University of Minnesota
Credit: M. Grabowski, University of Minnesota
Credit: Division of Plant Industry Archive, Florida Department of
Agriculture and Consumer Services, Bugwood.org
- CLICK PHOTOS TO ENLARGE -

Apples > Leaves > Brown wilted leaves