rust on grass

Discussion in 'Lawn Mowing' started by mikeshere89, Sep 8, 2003.

  1. mikeshere89

    mikeshere89 LawnSite Member
    from iowa
    Messages: 117

    has anyone ever seen rust on grass before? i was up north in southern minnesota for the weekend at my aunts house and i was walking throu her grass and i looked down and there was like a rusty residue all over my shoes. she asked me what it was and i have no clue, i asked her if she watered the grass at all and she said no so its not coming from water and it hasnt rained in over a month so any help would be great
  2. MOW ED

    MOW ED LawnSite Fanatic
    Messages: 5,028

    Ya mean somethin that looks like this.
    This is probably more of a fert forum Q but here it goes.

    I have seen it before. Seriously it is usually caused by low N. Do a search here. Fert and water really helped mine. It is a widespread problem this year for reasons unknown to me. I had it in a stand of new planted lawn and the established lawn next to it had none. Hit it with N, Ferromec and watered it and it turned around. Fungicides are relatively useless as once it is established its too late for the fungicide. Good Luck.

    vac3a 046.jpg
  3. GroundKprs

    GroundKprs LawnSite Bronze Member
    Messages: 1,969

    Search "rust" in fert/pest forum for last 60 days.
  4. PhrankW

    PhrankW LawnSite Member
    Messages: 28

    There are two pathogens that cause Rust. The first is Puccinia and the second is Uromyces. Rust can be found in Kentucky bluegrass, bentgrass, fescue, perennial rye, annual rye, bermuda, and zoysia.

    The primary time is last summer and early fall but it can occur anytime if temperatures are moderate. Rust prefers a period of 2 or 3 days of overcast or cludy weather, temperatures in the 70's, and high humidity brought on by fog or light showers followed by bright sunny days.

    As Mow Ed said earlier, simply increase the nitrogen levels. Also consider aeration to help with air movement which will aid in quicker drieng times.

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