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Fungicide and Surfactant

Discussion in 'Pesticide & Herbicide Application' started by RAlmaroad, Jul 21, 2012.

  1. RAlmaroad

    RAlmaroad LawnSite Silver Member
    from SC
    Posts: 2,195

    I generally use Lesco's 90/10 surfactant with my fungicides but have though about using MSO instead. Anyone use anything different. I'd like to have Li-700 but can't find a vendor close by.
  2. RigglePLC

    RigglePLC LawnSite Fanatic
    Posts: 12,225

    My favorite is a silicone-type surfactant--similar to lesco Hawkeye (about $50 per half-gallon). Very good, and more concentrated. But I used it mainly for weed control. Also similar to Garrco "Drench" a non-ionic silicone surfactant which mentions fungicides on the label.

    The idea is to spread it out on the leaf surface, so the solution does not bead-up and run off waxy leaves. Nor run off vertical leaf blades.

    You probably want the solution to spread out and form a thin film on the leaf surface and dry in place within a few minutes.

    Spray some water on a plant (or a waxy or vertical plant leaf) and then add a few drops of wetting agent and spray a nearby leaf. Study the different appearance carefully.

    I did that and showed photos last year, but I am not sure if I can find the link at the moment.

    Wait found the link--within the time limit --I think. edit.
    Last edited: Jul 21, 2012
  3. bug-guy

    bug-guy LawnSite Senior Member
    Posts: 972

    what fungicides are you using and what are you treating for??

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