Fungus and Disease Articles

Report: Sugarcane Mosaic Virus Infected St Augustine Turf Growing in Southern Pinellas County

Report: Sugarcane Mosaic Virus Infected St Augustine Turf Growing in Southern Pinellas County

There is a lot of chatter these days about Sugarcane Mosaic Virus (SMV) –  the “deadly virus” attacking St Augustine turf in Pinellas County with no cure. That’s the “news”! However, what is happening in the real world is quite different. I care for one lawn confirmed with SMV (a neighbor across the street has the virus too). This article is about that lawn and my observations of that lawn. This article is not news – it is about the real world.

Brown Patch is a Cool Weather Disease in St Augustine Lawns

Brown Patch is a Cool Weather Disease in St Augustine Lawns

Those brown circular patches of dead grass in your St Augustine turf grass lawn are probably brown patch. Brown Patch forms distinct circles or joined lobed circles of brown grass with a “halo” of yellow grass. The pathogen is a soil born fungus and can not be eliminated. The Good News: Except for the worse cases, Brown Patch can be controlled with good cultural practices! With the cooler temperatures and wetter soils, Brown Patch is active in lawns in St Petersburg, Largo and Clearwater areas.

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