Basal Rot Anthracnose

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Anthracnose 

Foliar Blight and Basal Rot 

Symptoms
Irregularly shaped patches of yellowish-bronze turf ranging from several centimeters to several meters. The foliar blight symptoms appears as leaf lesions with elongated reddish-brown spots which may enlarge and encompass entire blade. The basal rot symptoms shows darken tissue that extends from the crown to roots and stolons. Small black fruiting bodies with tiny spines called acervuil may also appear on foliage. 

Turfgrasses Affected
Most turfgrass species but mainly annual bluegrass and creeping bentgrass

Occurrence
Particularly in spring through late summer, in heavy traffic and poor soil drainage areas.

Control Options
- Properly irrigate turf
- Increase mowing height
- Avoid excessive soil wetness
- Minimize stress
- Make light applications of nitrogen

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