Articles > Curbing Volatility

Curbing Volatility


May 10, 2018
Ryan Ponwith
Master Field Sales Agronomist
Many acres of dicamba-injured soybeans were reported in 2017, leading to new labels and additional restrictions for 2018. New trait technology hangs in the balance of this growing season, and is desperately needed as weeds continue to become a bigger threat to profitability.
We must work collectively to ensure that all applications are made in the proper conditions according to the label, which is both complicated and vague at times.
You can be certain that UFC is committed to serving our customers and providing you with the information needed to make successful dicamba applications in 2018.

How can I manage for volatility?
Simply by doing everything you can to get dicamba into the plant. Apart from applying the product in proper environmental conditions according to the label, there are a few simple steps that can be taken to both improve the effectiveness of your dicamba application and to limit off-target movement:
  • Use a TTI nozzle with OnTarget adjuvant
  • Add Class Act Ridion for enhanced absorption
  • Tank mix in the proper order

Coarse nozzles are essential to limit the number of fine droplets when applying dicamba. Fine droplets need to be minimized to keep dicamba from moving to unwanted places.

OnTarget adjuvant is a drift and deposition aid for new dicamba herbicide technologies. OnTarget is specifically designed to be used with ultra and extra coarse nozzles to reduce driftable fines up to 50%. Along with reducing drift, OnTarget aids with droplet spreading and canopy deposition to improve herbicide efficacy.

Drive active ingredient into the plant
Surfactants help plants absorb more chemical into leaves. A study found that soybeans absorb just 38% of a spray mix without a surfactant, and 75% when a surfactant is added. Improving herbicide efficacy with a surfactant is essential, especially with larger droplet sizes. But, which surfactant is the best?
Class Act Ridion is a non-AMS water conditioner that was developed for dicamba herbicides. AMS is not allowed in the tank with new dicamba technologies due to increased volatility. Class Act Ridion ties up harmful cations, improving glyphosate performance, without AMS.
Class Act Ridion also contains CornSorb technology, which improves droplet coverage and increases uptake into plant leaves. OnTarget combined with Class Act Ridion give you the best combination of reduced dicamba drift, elimination of herbicide tie-up by hard water, and CornSorb technology to drive more chemistry into weeds. No other adjuvant package optimizes your weed control potential like this.
Tank mixing in the proper order is always essential to assure spray quality and to keep your spray system clean. Follow label directions for proper tank mix order. Be confident that you have the correct mix order by confirming with your Trusted Advisors at UFC. See below for a sample dicamba tank-mix recommendation with OnTarget and Class Act Ridion:

The key to a successful dicamba application season is getting as much dicamba into the plant as possible, leaving minimal chemical exposed to environmental conditions. Set yourself up for victory against resistant weeds by ensuring your tank-mix has the appropriate adjuvants to sharpen herbicide activity and limit off-target movement.
Consult with your local Field Sales Agronomist at UFC for recommendations in your specific area, or to purchase your adjuvant needs for the upcoming 2018 spray season.


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