Mountain Ash > Leaves > Leaves wilt and turn yellow and brown
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- 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
- 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...
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- Leaves on girdled branches wilt, die and turn brown
- Small blister like spots on branches exude, watery fluid
- Branch infections grow to cracked, flakey, orange canker
- Sunken brown spots on fruit, can grow to rot part or all of fruit
- More information on Branch cankers...