HERBICIDE SYNERGISTIC AGENT, METHOD OF ITS PREPARING AND METHOD OF WEED CONTROL Russian patent published in 1997 - IPC

FIELD: agriculture, plant protection. SUBSTANCE: herbicide synergistic agent consists of 10-75 wt.-% an active component - a mixture of (A): monoammonium salt of compound of the formula (CH₃)(HO)P(=O)CH₂CH₂CH(NH₂)-COOH and (B): compound of the general formula: where: R' - 2-ethoxyphenoxy, 3-(dimethylaminocarbonyl)-pyride-2-yl, 3-[(N-methyl-N-methylsulfonyl)-amino]-pyride-2-yl at weight ratio A : B = (54-8):(1-4), and special additions - the rest. Plants were treated with this agent at consumption of compound (A): 200-1080 g/ha, and compound (B): 10-60 g/ha. Method of agent preparing involves mixing compounds (A) and (B) followed by addition of the special additions. EFFECT: improved method of preparing, enhanced effectiveness of agent. 3 cl, 5 tbl