Elaine Roddy, OMAFRA Vegetable Crop Specialist, Guelph
A new product has recently been registered for the control of downy mildew in cucurbits. Presidio Fungicide (fluopicolide) offers a new mode of action for growers to add to their fungicide rotation. Apply Presidio as a tank-mix with Bravo fungicide. Do not make sequential applications of this product. Presidio is a group 43 fungicide. Always rotate to a product from a different chemical family. Presidio has a 2-day pre-harvest interval. Follow the rotational restrictions listed on the product label.
Watch for a future post on the new 2011 Cucurbit Downy Mildew Control Strategy.
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