| abstract |
The present invention relates to herbicides based on an aqueous suspension of 20 to 50 percent by weight of 1-phenyl-4-amino-5-chloropyridazone- (6) or 1-phenyl-4-amino-5-bromopyridazone- (6), 2 to 10 percent by weight of dispersant, 0.5 to 5 percent by weight of silica and 0.5 to 5 percent by weight of a block polymer made from propylene glycol, propylene oxide and ethylene oxide, which additionally contain a thiol carbamate, a chloroacetanilide or a 2,6-dinitroaniline, the weight ratio pyridazone: Thiol carbamate, chloroacetanilide or 2,6-dinitroaniline is 4: 1 to 1: 2, as well as a process for their preparation and their use for controlling unwanted vegetation. |