St. Augustine Decline

St. Augustine Decline

. Infected grass develops a mottled or stipled appearance with small yellow patches. Affected grass usually dies within a few years of infection.

SAD is incurable. A common treatment is to introduce SAD-resistant grasses, which will take over as the affected grasses die out. Another treatment is to replace the sod and first few inches of topsoil.

SAD is found in Texas, Louisiana, and Arkansas.

Raleigh, Floratam, and Seville are SAD-resistant varieties of St. Augustine grass. Palmetto is not SAD-resistant.

Resources

* [http://plantanswers.tamu.edu/turf/publications/Staugdecline.html St. Augustine Decline, Texas Cooperative Extension]
* [http://www.apsnet.org/pd/PDFS/1999/0709-02R.pdf#search=%22st.%20augustine%20decline%22 The Complex Viral Etiology of St. Augustine Decline]


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