Help to identify the enclosed...

Discussion in 'Pesticide & Herbicide Application' started by Crist Clapper, Jun 24, 2013.

  1. Crist Clapper

    Crist Clapper LawnSite Member
    Posts: 79

    I know it's difficult to identify a fungicide problem from just a photo... And I do need to have the soil tested... But a quick identification would be helpful...

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  2. Forever Green Landscaping

    Forever Green Landscaping LawnSite Member
    Posts: 138

    Red thread? Look at the grass closely and see if it looks red.
     
  3. Hope Landscaping

    Hope Landscaping LawnSite Senior Member
    Posts: 278

  4. Crist Clapper

    Crist Clapper LawnSite Member
    Posts: 79

    Thanks folks... Keep the ideas coming!
     
  5. RigglePLC

    RigglePLC LawnSite Fanatic
    Posts: 12,097

    I am leaning toward dollarspot. The top inch of the leaf blade tends to be creamy white. Warm humid conditions. Spots about 4 to 6 inches in diameter--bigger on tall turf--smaller on short-cut turf.
    Red thread is easy to identify--just look for the red threads at the tips of affected grass blades.
    Rust is easy to identify--distinct tiny football shaped spots--yellow dust and--it is mainly a fall disease.

    http://plantclinic.cornell.edu/factsheets/dollarspot.pdf
     
    Last edited: Jun 25, 2013

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