Fungus - Knowledgebase Question

Greenlawn, Ne
Avatar for ken_kassinge
Question by ken_kassinge
July 7, 2010
I use low nitrogen fertilizer,a fungicide and only water early in the day but I still get fungus. The spots seem to form in similiar areas of the lawn from year to year but this year is very bad. What can I do to stop this problem?


Ken Kassinger

Answer from NGA
July 7, 2010
Sounds like you're doing everything right to try to discourage fungus. I'm glad you're watering in the early morning. This will give the lawn a chance to dry out during the day. If fungicides are not effective you may need to aerate your lawn to help the soil surface dry out, or dethatch to remove the layer of thatch on the surface of the soil which may be holding too much water against the stems and roots of your turfgrass. If you decide to aerate, rent a core aerator that removes plugs from your lawn. Leave the plugs on the lawn - they will dissolve on their own. After aerating spread a thin layer of compost or sand over the lawn. This material will work its way down into the holes left by the plugs and give excess water a place to collect and drain. If you're still having problems at the end of the summer, rent a dethatcher or power rake to remove the excess thatch then overseed your lawn. I think the combination of these two treatments will help your lawn grow lush and thick and be more resistant to fungus. Hope so!

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