Selective herbicidal composition

Details Selective herbicidal composition Selective herbicidal composition

A - Human Necessities

01

N

71/8.1

A01N 43/42 (2006.01) A01N 37/46 (2006.01)

Patent

CA 2020304

PS/5-17652/= Selective herbicidal composition Abstract A selective herbicidal composition for controlling grasses and weeds in crops of useful plants comprises a) a herbicidally effective amount of an N-benzoyl-N-phenylalanine of formula I or an enantiomer thereof Image (I) wherein R1 is hydrogen or C1-C4alkyl and each of R2 and R3, independently of the other, is chlorine or fluorine, and by a herbicide-antagonistically effective amount of a quinoline derivative of formula II Image (II) wherein X is hydrogen or halogen, A is one of the groups -CH2-, -CH2-CH2- and -CH(CH3)- and Z is cyano or amidoxime which may be acylated at the oxygen atom, a carboxy group or a salt thereof, a mercaptocarbonyl group or a salt thereof, a carboxylic acid ester group, a carboxylic acid thiol ester group, an unsubstituted or substituted carboxylic acid amide group, a cyclised, unsubstituted or substituted derivative of a carboxylic acid amide group or a carboxylic acid hydrazide group, or A and Z together are an unsubstituted or substituted tetrahydrofuran-2-one ring. Both the herbicidally active compounds of formula I and the herbicide-antagonistically active compounds of formula II are known and can be prepared in accordance with the literature references given in the description.

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