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Question:
My Bermuda - tif lawn is suffering from what appears to be Take all patch fungus. I have tried organic fungicides to no real avail. My plan is to during the summer, water it very little, basically watch it die, and in the fall, de-thatch (which it now has and is a big problem), use a chemical fungicide, and overseed with LaPrima Bermuda grass. I know the new seed will not bloom until the next spring. Does this seem like a sound approach? If so, can you recommend a fungicide to kill TARR, and is the fall the best time to kill TARR, and overseed the lawn for the spring?


Answer:
See the article at http://www.plantanswers.com/root_rot_fungus.htm on the control of TARR. Top dressing with a low pH material such as sphagnum peat has proven to be more effective than the use of fungicides. Overseeding with any bermudagrass seed in the late fall would be a waste of your money. It will not germinate until the soil temperature is consistently in the high 70's and would either rot or feed the birds before that happens. Or if the soil temperature is warm enough for it to germinate and we get freezing temperatures before it is well established, it would be killed.



 

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