Alligare® 11403 1 gal Sonora™ Herbicide 4 per case. Sonora™ Herbicide from Alligare® will control tough broadleaf weeds and select brush species including mesquite, biennial & perennial thistles, knapweeds, kudzu and locust. Sonora™ Herbicide provides outstanding selectivity in pastures, rangeland, roadsides/rights-of-way and in many hardwood and conifer sites.