Spring Dead Spot of Turf

Ophiosphaerella narmari, Ophiosphaerella korrae

Synonyms:

Leptosphaeria narmari, Leptosphaeria korrae.

Description:

A fungal disease that causes circular, whitish patches of dead turf about 30-50 cm in diameter in winter that are most noticeable in spring when the turf resumes active growth.

Species Affected:

Turf.
Winter Grass, Kentucky Bluegrass, Bentgrass, Fescues, Ryegrass.
Couch Grass (Cynodon dactylon), South African Couch (Cynodon transvaalensis) and many of its hybrids are very susceptible.

Biology:

The fungus damages the roots in late summer.

Life Cycle:

Origin and History:

Distribution:

Significance:

Management and Control:

Apply fungicides.

Related and Similar Species:

References:

1291

Acknowledgments:

Collated by HerbiGuide. Phone 08 98444064 or www.HerbiGuide.com.au for more information.