Patent ID: 6924252
Filing Date: 2005-08-02
Classification: A01N

Abstract:
1. A method for controlling the growth of weeds at a locus in a solid growing medium which comprises treating the locus with an encapsulated composition consisting essentially of an isoxazole herbicide encapsulated within a solid film to provide progressive or sequential delivery or release of isoxazole herbicide into the surface layer of the medium, wherein said solid film comprises an inert material that has no substantial herbicidal activity, further wherein the isoxazole herbicide is an isoxazole compound of the general formula I wherein: A represents a group (A-1) or (A-2): wherein: R represents a hydrogen atom or a halogen atom; a straight- or branched-chain alkyl or alkenyl or alkynyl group containing up to six carbon atoms which is optionally substituted by one or more halogen atoms; a cycloalkyl group containing from 3 to 6 carbon atoms optionally substituted by one or more groups R R R n represents an integer from one to five; when n is greater than one the groups R R R R R R R k, p and q independently represent the values zero, one or two; m represents one, two or three; and t represents an integer from one to four; when t is greater than one, the groups R or an agriculturally acceptable salt or metal complex thereof.