Gray leaf spot of ravenna grass

Sep 14, 2012 6:53 AM

Fungal causal agent: Magnoporthe grisea

Symptoms: Circular or oval tan lesions over the leaf sheath and stem. The plants wilt and die under severe infection.

Management: Moisture control is a key aspect in managing the disease, and avoiding later in the day irrigation. Use protective fungicides for management of the disease. Remove dead leaves and treat with fungicides. Check http://premier.cdms.net/webapls/formsloginRef.asp?/webapls for current labels.