What is the cause of Dollar Spot?

Published by Anaya Cole on

What is the cause of Dollar Spot?

Dollar spot is caused by the fungus Clarireedia jacksonii (formerly Sclerotinia homoeocarpa). This disease affects highly managed turf stands worldwide. It is characterized by small, round, bleached to straw colored spots.

What is Dollar Spot fungus?

Dollar Spot is a lawn fungus named for the light tan, roughly circular patches it creates on your lawn. In the early stages, each spot can be about the size of a silver dollar and appears as silver fungus on your lawn.

What is fungicide for Dollar Spot?

Boscalid and flutolanil are two fungicides that can effectively treat dollar spot in the short term.

Is brown patch the same as Dollar Spot?

In their early stages, Brown Patch and Dollar Spot are fairly distinguishable from one another, particularly since Dollar Spot is going to have smaller circles (pretty perfectly shaped). But as the Dollar Spot lesions grow, they can become larger, irregular patches (especially as they grow together).

How do I treat dollar spots in my lawn?

Fungicides – On irrigated turf with persistent dollar spot problems, fungicides are very effective against most forms of the causal fungus. Fungicides are almost always applied on a curative basis for controlling dollar spot. Both contact and penetrant fungicides are effective in controlling this disease.

Will dollar spot grow out?

Sometimes dollar spot will manifest just prior to your next fertilizer treatment and with the ensuing application the grass blades can grow out of this condition. If weather is ideal for disease development you may need to get a fungicide treatment applied to stop the dollar spot disease from progressing further.

How do I fix dollar spots in my lawn?

Does grass recover from dollar spot?

There are disease control materials available to help prevent Dollar Spot from developing and Spring-Green can apply those treatments if the disease is observed early on. In most cases, a healthy, Spring-Green lawn will survive and recover from a minor disease infestation.

How do I control dollar spots in my lawn?

When using a fungicide to prevent further dollar spot infection, combine it with the following lawn care treatments:

  1. Apply a compost top dressing over the lawn.
  2. Apply adequate nitrogen fertilizer (remember, dollar spot flourishes in lawns with low nitrogen).
  3. Remove thatch with a verticutter or power rake.

How do you treat brown patch fungus in lawn?

Updated: How Do I Get Rid of Brown Patches in My Lawn?

  1. Water on schedule.
  2. Mow high.
  3. Reduce heavy thatch.
  4. Fertilize properly.
  5. Ensure proper drainage.
  6. Apply a fungicide.
  7. Maintain a healthy lawn.

Will dollar spot go away on its own?

You thought those tan spots on the lawn would go away on their own, but they just keep getting bigger. If your lawn is suffering from dollar spot, ignoring the problem won’t help your grass combat this turfgrass disease.

How do I get rid of dollar spot in my lawn?

Why does my lawn keep getting dollar spot?

The cause: Persistently wet leaves. Dollar spot thrives in wet, humid conditions, so heavy dew, over-watering, late-day irrigation, and anything else that keeps grass leaves wet for long periods of time could lead to dollar spot.

What is best fungicide for brown patch?

Headway® fungicide is an excellent choice for preventive control of brown patch. Headway contains the active ingredients azoxystrobin and propiconazole and delivers broad-spectrum control of brown patch, as well as all major turf diseases.