IPM Information

Pathology Information:

Species Name: Cercospora sp. Fresen.

Category:

Symptoms:
presence of tiny black dots on leaf surface usually surrounded by gray sunken holes

Biology:
If forms conidia on long dark coniodophores through stomata. Conidia are detached and blown by the wind. When they land on susceptible plants the germinate to cause spots

Control methods:
Use disease free seeds. Rotate crops with resistant hosts. Spray the plants with fungicides such as bourdeaux mixture

Growth stage: Mature tree

Disease name: Cercospora leaf spot

Synonym: Cercospora sp. Fresen.

Host name: Chlorophora excelsa

Host common name:

Affected part: Leaves