Orondis - Fungicide | Syngenta

Product Overview

Orondis® fungicide contains the active ingredient oxathiapiprolin, a real game-changer for improved root health, helping growers hit a home run against diseases caused by Oomycete fungi in citrus: root rot, citrus foot rot, gummosis, trunk canker and brown rot. With its unique mode of action, it’s this season’s Most Valuable Product.

Oxathiapiprolin brings a paradigm shift in active ingredient use rate compared to other fungicides. In addition to high intrinsic activity, oxathiapiprolin has a novel mode of action and is not cross-resistant to any other fungicide. Oxathiapiprolin is the only fungicide a.i. in FRAC group 49.


View other products in the Orondis Portfolio

In addition to our single active ingredient product, Orondis, we offer a portfolio of multiple active ingredient products including oxathiapiprolin for use on vegetable and specialty crops. Follow the links below for more information on each product.


Product Highlights  

  • Increased yield and profit potential from industry-leading control of root rot and brown rot

  • Significantly reduces Phytophthora propagule counts and inoculum potential, compared to competitor products

  • Contributes to improved root health as part of an overall program

  • New mode of action with no cross-resistance to other products

  • Applied as a soil spray, through irrigation water, or to fruit/foliage

  • Effective at very low a.i. use rates

  • Excellent preventive fungicidal activity and residual disease control

  • Demonstrated crop safety

  • Foundation fungicide in programs with other modes of action


May 22, 2018

Syngenta blight hotlines provide resource for potato growers

Syngenta and prominent potato disease researchers will continue their partnerships on the potato blight hotlines in 2018. Growers in Idaho, Michigan, North Dakota, Oregon and Washington can call the hotlines for access to the latest updates on local disease pressures.Read more »

Dec 19, 2017

Syngenta receives registration for Orondis® fungicide for use in citrus

Syngenta has announced approval of Orondis® fungicide for use in citrus crops by the U.S. Environmental Protection Agency.Read more »

Dec 6, 2016

Orondis® Opti fungicide now registered in premix formulation

Syngenta announced that Orondis® Opti fungicide premix is now registered and approved for use on specialty and vegetable crops by the U.S. Environmental Protection Agency. Read more »

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