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St Augustine leaf blades turning yellow

Discussion in 'Pesticide & Herbicide Application' started by DFW Area Landscaper, Sep 28, 2006.

  1. DFW Area Landscaper

    DFW Area Landscaper LawnSite Silver Member
    from DFW, TX
    Posts: 2,116

    Since we (DFW metroplex) have started running into the cool over night lows, a lot of the st augustine lawns have started getting what I believe is fungus.

    The leaf blades are turning bright yellow and the turf is thinning.

    Anyone else in the DFW area seeing this on their st aug lawns? What are you doing about it, if anything?

    DFW Area Landscaper
  2. olive123

    olive123 LawnSite Senior Member
    Posts: 500

    circular are usually brown patch ...streaks especially left after mowers etc. is pythium
    watering should be controlled
  3. pesticide

    pesticide LawnSite Member
    Posts: 51

    from garland to denton and in between im seeing lots of new chinch bug damage, grey leaf spot in lots of places and even one case of S.A.D. that got really bad.

    bifenthrin for the chinch bugs, banner max for the leaf spot, and some liquid nitrogen and iron fert to (albeit temporary) green up the st aug with S.A.D.

    still seeing active grubs a lot too, dylox of course.

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