VIRESTINA™ technology:
A breakthrough herbicide to tackle resistant grass weeds.
What is VIRESTINA™ technology?
VIRESTINA™ technology is a new active ingredient from Syngenta. It is specifically designed to control grass weeds that have developed resistance to other control options and that impact key crops like cotton and soybeans. VIRESTINA™ technology is the world’s first selective herbicide to control resistant grass weeds in soybean and cotton in nearly 40 years.
Key Aspects of VIRESTINA™ Technology:
- VIRESTINA™ technology is the first active ingredient of a new chemical class within an important group of herbicides called ACCase-inhibitors.
- Highly effective in controlling grass weeds that are resistant to common herbicides like glyphosate and clethodim.
- Using this new control option helps reduce tractor passes, contributing to less soil compaction and lower on-farm CO2 emissions.
- VIRESTINA™ technology breaks down rapidly in soil, ensuring an excellent safety profile and a reduced environmental footprint.
- Thanks to this rapid breakdown in soil, VIRESTINA™ technology enables flexible crop rotation, and cover crop use.
Herbicide resistance in grass weeds
Resistant weeds are a persistent threat to farmers. Weeds that survive herbicide applications remain in the field and then compete with crops for nutrients, sunlight, and water. At the same time, weeds act as a “green bridge” for pests, viruses, fungi and bacteria that infect crops. Resistant weeds can dramatically reduce harvest yields and impact both a farm’s economic profitability and global food security.
Over the past few decades, only a small number of herbicide technologies have been successfully brought to the market. The ability of resistant weeds to metabolize and be cross-resistant to multiple modes of actions further exacerbates the challenge of developing new control options. Herbicide resistance is reported today in 75 countries and affects farmers of more than 100 crops; grass weeds account for 40 percent of the 273 weed species afflicted.
Where is VIRESTINA™ available?
The technology has been successfully registered in Argentina, and products will go on sale in 2026. Work is underway to bring this innovation to other key markets around the world including Brazil, Australia, the U.S., and Canada.
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