A COMPENDIUM OF TROPICAL PLANT DISEASES AND DISORDERS
CERCOSPORA
SYMPTOMS
Leaf spots have diffuse margins (lacking definite borders)
Most often appear as bright yellow or purplish red spots
Translucent yellow borders are most obvious when viewed with back-lighting
Cercospora and Pseudocercospora leaf spots are common on a wide variety of tropical plants grown in greenhouses, nurseries and are often found in landscapes. Some of these leaf spots are not seen for years until an unusual amount of rainfall occurs and they suddenly show up.
Leaf spots vary in shape and color depending on the plant
FAVORABLE CONDITIONS
Overhead irrigation or exposure to rainfall favors
Poor air circulation will make this foliar disease worse
CERCO RAPHIS
CERCOSPORA ON CORDYLINE
CERCOSPORA ON LIRIOPE
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CERCOSPORA SPATH
NANDINA LS
CERCOSPORA ON LIGUSTRUM
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