Helminthosporium on TifEagle Bermudagrass Greens

eric von hofen
Almost over night we see the results of Helminthosporium on our TifEagle greens. This is the first time this year we have seen any signs from our little friend. We have had two weeks of well below temps that have taken the soil below 50 degrees. This was just enough to increase the pressure of the disease and for us to see the damage. One good thing is that we have had full sun and no rain. This will help bring the soil temps back up above 58 degrees and start growing turf again. I plan on starting a program of applying fungicides on a 14 to 21 day rotation. I will use Heritage, Insigna and Daconil for control and prevention of the leaf spot this winter. It has been 32 days since my last fungicide application so I’m not surprised to see the spots pop up. I spray my greens every friday with a light fertilizer package so adding fungicides will be easy to do. I will keep you updated this winter on the progress on the control of helminthosporium.
Eric von Hofen

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