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I think I just tripped over the pot of gold for organic pesiticides

Discussion in 'Organic Lawn Care' started by DeepGreenLawn, Jun 10, 2008.

  1. DeepGreenLawn

    DeepGreenLawn LawnSite Silver Member
    Messages: 2,372

  2. PHS

    PHS LawnSite Senior Member
    Messages: 724

    Good info there. I would limit the use of Pyrethrins though. They're low tox and short residual but they'll smoke your beneficial population along with the eggs so they can be very slow to recover.

    Also in the landscape Streptomycin is of limited value. It works well but your window of opportunity is so short that it's not practical. When conditions are ideal for fire blight infection a farmer can tank up and spray on short notice and as many times as they need to (excluding costs).
  3. treegal1

    treegal1 LawnSite Gold Member
    Messages: 3,911

    Chrysanthemum/pyrithrins where used by the Egyptians, a looooong time ago, try and get the natural predators (micro herd) to get at them first, you would be amazed at the speed that they can kill

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