The information in the table below was revised on Friday, November 6, to reflect updated information recently provided by company representatives.
Labels for XtendiMax, Engenia, and Tavium were granted unconditional Section 3 labels on October 27, 2020. The labels will be effective until 2025. Updated labels for XtendiMax and Engenia, and a preliminary label for Tavium can be accessed by clicking the name of each product in the table.
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Application cutoff |
Through June 30 or R1 soybean Through July 30 in cotton |
Through June 30 in soybean Through July 30 in cotton |
Through June 30 or V4 soybean Through July 30 or 6-leaf cotton |
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Drift reduction adjuvant |
Required, check website for tankmix requirement |
Not required, check website for tankmix requirement |
Required, check website for tankmix requirements |
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Volatility reduction agent |
Required |
Required |
Required |
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Downwind buffer |
240 ft (110 ft with approved hooded sprayer) |
240 ft (110 ft with approved hooded sprayer) |
240 ft (110 ft with approved hooded sprayer) |
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Forecast |
48 hours no runoff producing event |
48 hours no runoff producing event |
48 hours no runoff producing event |
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Training |
Updated every year |
Updated every year |
Updated every other year |
As before, each company will maintain a website that lists approved hooded/shielded sprayers, spray nozzles, and tank-mix partners. Those websites will be:
XtendiMax): www.xtendimaxapplicationrequirements.com
Engenia: www.engeniatankmix.com
Tavium: www.taviumtankmix.com
The EPA also issued a clarification limiting the use of Special Local Needs (Section 24(c)) labels to add additional state-specific restrictions. At this time, it is unclear if the Kansas Department of Agriculture will seek any modifications to the federal label.
In a recent survey, 56% of producers indicated they will plant dicamba-resistant soybeans in 2021, down from 78% who reported planting dicamba-resistant soybeans in 2020. A potential increase in non-dicamba-tolerant soybeans for 2021 highlights the need for extra care when making in-crop dicamba applications.
Sarah Lancaster, Extension Weed Science Specialist
slancaster@ksu.edu