A study of weed classification, ecology, plant competition, herbicide formulation, properties and uses of herbicides and weed management in horticultural crops. A grade of C or better required to meet graduation requirements for Landscape Horticulture and Turfgrass Management. Prereq: GenBiol 1250T (125T). Prereq or concur: GenChem 1100T (131T). Not open to students with credit for 272T or CrpSoil 2422T (266T). This course is available for EM credit.