Plant Damage / Signs:
Discrete spots (lesions) form on leaves
Spots may enlarge to form blotches
Leaf browning and early leaf drop
may occur (but uncommon)
Conditions:
Moist mild temperatures
Common Leafspots:
Cercospora Leaf Spot
Marssonina Leaf Spot and Blight
Phyllosticta Leaf Spot
Septoria Leaf Spot - Leaf Spot and Canker
NOTE: In general these leaf spots occur
sporadically and cause little damage
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Plants:
Aspen
Azelia
Birch
Cottonwood
Dogwood
Eucalyptus
Heavenly Bamboo
Ligustrum
Linden
Magnolia
Maple
Mountain Ash
Pittosporium
Rhododendron
Rose
Sweet Gum
Sycamore
Timing:
Spring, Summer
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