agriculture Article Volatilization of Standalone Dicamba and Dicamba Plus Glyphosate as Function of Volatility Reducer and Different Surfaces Caio A. Carbonari 1,*, Renato N. Costa 2 , Natalia C. Bevilaqua 2, Vinicius G. C. Pereira 2 , Bruno F. Giovanelli 2, Ramiro F. Lopez Ovejero 3 , Matheus Palhano 4, Henrique Barbosa 5 and Edivaldo D. Velini 1 1 Department of Crop Science, College of Agricultural Sciences, São Paulo State University (Universidade Estadual Paulista “Júlio de Mesquita Filho” UNESP), Botucatu SP 18610-034, Brazil;
[email protected] 2 College of Agricultural Sciences, São Paulo State University (Universidade Estadual Paulista “Júlio de Mesquita Filho” UNESP), Botucatu SP 18610-034, Brazil;
[email protected] (R.N.C.);
[email protected] (N.C.B.);
[email protected] (V.G.C.P.);
[email protected] (B.F.G.) 3 Herbicide Resistance Management Lead, Bayer CropScience, São Paulo SP 04779-900, Brazil;
[email protected] 4 Stewardship Crop Protection and Biologicals LATAM, Bayer CropScience, São Paulo SP 04779-900, Brazil;
[email protected] 5 Herbicide Development Leader, Bayer CropScience, São José dos Campos SP 12241-421, Brazil;
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[email protected]; Tel.: +55-14-3880-7223 Received: 24 August 2020; Accepted: 21 October 2020; Published: 23 October 2020 Abstract: Dicamba is a herbicide with a moderate volatility profile. Such volatility behavior can be significantly diminished with formulation technology and volatilization reducers. The objective of this study was to quantify the volatility potential of dicamba diglycolamine salt (DGA) in a standalone application or in tank mixture with glyphosate (potassium salt) (GK), with and without volatilization reducer (acetic acid—VaporGrip®) from different surfaces.