Disease Management With Short Supply Of Chlorothalonil

What do we do with peanuts and the short supply of Bravo/chlorothalonil? Here are some good options from UGA Extension Pathologist Dr. Bob Kemerait:

  1.  Replace 1.5 pt/A chlorothalonil with 15 fl oz/A Elast.
  2.  Replace 1.5 pt/A chlorothalonil with 10 fl oz/A Topsin/thiophanate methyl, but ONLY one time!
  3.  Replace 1.5 pt/A chlorothanil with 7.0 fl oz/A Stratego (concern about resistance management…)
  4.  Replace 1.5 pt/A chlorothalonil with 3.5 fl oz/A Absolute (concern about resistance management…)
  5.  Replace 1.5 pt/A chlorothalonil with 5.5 fl oz/A Alto (better to mix 1.0 pt/A chlorothalonil with 5.5 fl oz/A Alto, or at least SOME chlorothalonil with the Alto!)
  6.  Replace 1.5 pt/A chlorothalonil with 5.5 fl oz/A Alto + 5 fl oz/A Topsin/thiophanate methyl.
  7.  Extend chlorothalonil with 1.0 pt/A chlorothalonil with 1.0 pt/A Kocide.
  8.  Extend chlorothalonil with 1.0 pt/A chlorothalonil with 5.0 fl oz/A Topsin/thiophanate methyl.
  9.  Extend chlorothalonil with 1.0 pt/A chlorothalonil with 2.0 fl oz/A propiconazole.
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