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Old 10-08-2012, 07:33 PM
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ETPRO ETPRO is offline
LawnSite Senior Member
Join Date: Aug 2012
Location: Pittsburg, TX
Posts: 311
S.A.D. is a virus that many strains of St. Augustine (I think centipede as well) can get that causes chlorosis and die-back in St. Augustine lawns. No chemical treatment for it. Only "cure" is to cut out with sod cutter and lay reisitant variety. Floratam, Raleigh and Seville are options. A lot of folks will call it brown patch or some other disease. Truth is, it occurs when conditions are not favorable to diseases. Under close inspection, no disease symptoms exist.
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