The Tennessee Department of Agriculture, facing some 70 suspected dicamba-drift complaints largely in western Tennessee, has issued new rules on spraying both old and new formulations of the herbicide.
Use of older formulations is banned outright.
Looking to fight temperature inversion and resulting off-target damage, newer dicamba formulations – Engenia and XtendiMax among them – can only be sprayed between 9 a.m. and 4 p.m.
Further “anyone applying dicamba products must be certified as a private applicator or licensed as a pest control operator in the category of Agricultural Pest Control (AGE), and is required to keep records for such applications.”
The final new rule also bans “applying dicamba over the top of cotton after first bloom.”
“Our approach will offer protection to those who stand to be negatively impacted by off-target movement of dicamba while also allowing those farmers who have invested in products designed for their crops to continue to use the appropriate herbicides responsibly,” Agriculture Commissioner Jai Templeton said in a press release.
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