How should growers use Syngentas new potato blight fungicide, Revus? MikeAbram finds out. Syngenta's new potato blight fungicide, Revus, should be used in programmes once the canopy is complete, particularly where disease pressure is high, agronomistssuggest. When choosing a product the first thing to look for is out-and-out foliar blight control, Agrochemex's John Keer says. "And as an active ingredient, mandipropamid, is right up there with the best of them. It's in a group of three products - along with Ran-man and Infinite - that are not head and shoulders above the rest, but are certainly on their own, before you get to Electis and Valbon in the next group."
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