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Orondis® brand fungicides and their best-in-class active ingredient promote plant health from the ground up while combatting key oomycete diseases like Phytophthora root rot and crown rot in citrus, tree nuts and other labeled perennial crops.
Using oxathiapiprolin as its active ingredient, Orondis® fungicide improves root health and significantly reduces Phytophthora propagule counts and inoculum potential. Orondis can be applied to soil or through irrigation water.
Oxathiapiprolin
Group 49 Fungicide
Restricted Entry Interval:
PPE required for Applicators, Mixers or Loaders:
PPE required for Early-Entry Workers:
Oxathiapiprolin brings a paradigm shift in active ingredient use rate compared to other fungicides. In addition to high intrinsic activity, oxathiapiprolin is not cross-resistant to any other fungicide.
Left: Untreated pomegranate trees suffering from Phytophthora root rot. Right: Healthy pomegranate trees treated with Orondis fungicide. (Orondis trial in CA, 2020.)
Plants treated with Orondis (top) show improved root mass and overall health compared to untreated. Almond Rootbox study in 2015 in Hanford, CA. (All treatments were inoculated at planting)
Orondis protects developing root systems by reducing the number of viable Phytophthora propagules in the soil. Quantification of viable propagules of P. palmivora in soil at conclusion of trial at the Vero Beach Research Center in FL in 2016.
From left to right: Untreated check (non-inoculated); untreated check (inoculated); treated with Orondis® at a rate of 0.154 oz/A; treated with Orondis at 0.308 oz/A.* (Citrus trial at the Vero Beach Research Center in FL.) *270 trees/A.
Orondis® Gold fungicide, containing oxathiapiprolin and mefenoxam, delivers control or suppression of several Oomycete diseases in potatoes, strawberries, cucurbits, fruiting vegetables and tobacco. Available for use by soil application, Orondis Gold provides preventive, residual and systemic activity.
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In potatoes, cucurbit and fruiting vegetable crops, Orondis® Opti fungicide combines two active ingredients with systemic and contact protection to aid against Oomycete diseases. It is effective under conditions favorable for disease development and protects new and existing growth.
Applications of Orondis® Ultra fungicide in leafy, brassica and bulb vegetables, potatoes and other selected crops provides preventive and residual control of downy mildews and other Oomycete diseases. It also features flexible application methods and has a demonstrated crop safety record.
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All photos are either the property of Syngenta or are used with permission.
Performance assessments are based upon results or analysis of public information, field observations and/or internal Syngenta evaluations. Trials reflect treatment rates commonly recommended in the marketplace.
©2023 Syngenta. Important: Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties. Please check with your local extension service to ensure registration status. Orondis Gold may be sold as a formulated premix or as a combination of separately registered products: Orondis Gold 200 and Orondis Gold B. Orondis® and the Syngenta logo are trademarks of a Syngenta Group Company. All other trademarks are the property of their respective third-party owners.