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Herbicidal Ionic Liquids with 2,4-D

Published online by Cambridge University Press:  20 January 2017

Tadeusz Praczyk ,
Przemysław Kardasz ,
Ewa Jakubiak ,
Anna Syguda ,
Katarzyna Materna  and
Juliusz Pernak
Tadeusz Praczyk
Affiliation:
Institute of Plant Protection–National Research Institute, Poznan, 60-318, Poland
Przemysław Kardasz
Affiliation:
Institute of Plant Protection–National Research Institute, Poznan, 60-318, Poland
Ewa Jakubiak
Affiliation:
Institute of Plant Protection–National Research Institute, Poznan, 60-318, Poland
Anna Syguda
Affiliation:
Department of Chemical Technology, Poznan University of Technology, pl. M. Sklodowskiej-Curie 5, Poznan, 60-965, Poland
Katarzyna Materna
Affiliation:
Department of Chemical Technology, Poznan University of Technology, pl. M. Sklodowskiej-Curie 5, Poznan, 60-965, Poland
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Abstract

Three herbicidal ionic liquids (HILs)—alkyldi(2-hydroxyethyl)methylammonium (2,4-dichlorophenoxy)acetate, dialkyldimethylammonium (2,4-dichlorophenoxy)acetate, and alkyltrimethylammonium (2,4-dichlorophenoxy)acetate—were synthesized and their activity against broad-leaved weeds was investigated under field conditions. HILs as [cation][2,4-D] used in winter wheat were much more active compared to 2,4-D-dimethylammonium salt and demonstrated efficacy similar to 2,4-D 2-ethylhexyl ester. HILs exhibited desirable surface properties such as low contact angle of droplets and low surface tension. Moreover, the HILs may be safer to operators and neighboring plants due to their nonvolatile nature. HILs at 450 g ha−1 of 2,4-D did not injure wheat.

Keywords

Alkyldi(2-hydroxyethyl)methylammonium (2,4-dichlorophenoxy)acetatedialkyldimethylammonium (2,4-dichlorophenoxy)acetatealkyltrimethylammonium (2,4-dichlorophenoxy)acetate2,4-Dionic liquidsweed controlselectivitywinter wheat
Type
Physiology, Chemistry, and Biochemistry
Information
Weed Science , Volume 60 , Issue 2 , June 2012 , pp. 189 - 192
Copyright
Copyright © Weed Science Society of America 

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