| abstract |
3-Phenoxy- alpha -phenoxy-alkanecarboxylic acid derivatives of the formula <IMAGE> Wherein Hal is a halogen atom, n is an integer from 1 to 3, R is an acid function and Z is hydrogen or C1-C4 alkyl, are disclosed as possessing a surprising selective herbicidal activity. Methods are disclosed for combatting weeds in mono- and dicotyledonous cultures such as cereals, corn, rice, soya and cotton, which comprise applying to the locus to be protected from weeds a dosage of from 0.1 to 10.0 kilograms per hectare of the above compounds. |