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Purple Shades for insect and weeds?

Discussion in 'Pesticide & Herbicide Application' started by humble1, Apr 26, 2008.

  1. humble1

    humble1 LawnSite Silver Member
    from MA
    Messages: 2,505

    Anyone see or use those purple shades, suposed to show stress in a plant from drought or insects before signs are visable.

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