Plant Damage / Signs:
Small olive green spots form on leaves
Spots enlarge, darken, and have a velvety appearance
Leaves often turn yellow
Early leaf drop can occur
Conditions:
Moist, overcast, moderate temperatures
Related Problems:
Venturia Leaf and Shoot
Blights - Aspen and Poplar
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Plants:
Apple
Crabapple
Firethorn (Pyracantha)
Mountain Ash
Pear (Common)
Timing:
Spring / Early Summer
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