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Serenade for late blight

Posted by prhart western NC (My Page) on
Fri, Feb 10, 06 at 9:41

Late blight is endemic in this area and it requires a regular spray regimen to control. Daconil and mancozeb do the job but I would prefer an safer alternative. I have recently learned of Serenade, using Bacillus subtilis, as a control, either by itself or in combination with copper foliar spray. Does anyone have experience using this and can you provide recommendations on the spray schedule?

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RE: Serenade for late blight

I've seen no references to the efficacy of Serenade or Messenger ( harpin) or similar, being effective in preventing Late Blight.

Even the best of the commercial products arent' that good.

You've got a terrific resource in NC with Dr Gardeners group in Western NC and if I were you I'd check directly with your local ag ext person to discuss this with him or her.


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