Colletotrichum leaf spot of bougainvillea

Mar 8, 2011 7:48 AM

Crop: Bougainvillea x buttiana.

Fungal causal agent: Colletotrichum sp.

Symptoms: Light brown irregular with darker borders, and light to dark brown V-shaped leaf spots. Spots are usually surrounded by a chlorotic halo. The leaves usually turn yellowish and falls prematurely.

Management: Avoid overhead irrigation and late afternoon watering. Remove all the dead leaves from the plants and avoid overcrowding. Various fungicides are available for management. Check http://premier.cdms.net/webapls/formsloginRef.asp?/webapls for current labels