Download Lecture Slides on Postemergence Weed Control in Landscapes | CS 053 and more Study notes Agricultural engineering in PDF only on Docsity! 1 Landscape Weed Control โ JC Neal, NCSU Weed Species Ornamental species (and occasionally the cultivar) Available options What do I need to know? Postemergence Weed Control in Landscapes: Landscape Weed Control โ JC Neal, NCSU Labor Selective Herbicides Non-Selective Herbicides Directed applications Wiper applications Postemergence Weed Control โToolsโ Landscape Weed Control โ JC Neal, NCSU Labor Well, it looked like a weed to me Postemergence Weed Control โToolsโ Oops Landscape Weed Control โ JC Neal, NCSU Hand Weeding and Hoeing Seedling weeds controlled Not effective for perennial weeds Landscape Weed Control โ JC Neal, NCSU Selective Postemergence Weed Control Grass control Sedge control Limited broadleaf weed control options Landscape Weed Control โ JC Neal, NCSU POST grass control Selective control of most annual and perennial grasses in most ornamental beds J. N e a l J. N ea l 2 Landscape Weed Control โ JC Neal, NCSU Selective (physiological selectivity) Acclaim, Envoy, Fusilade, Vantage Non-Selective (positional selectivity) Contact: Reward, Scythe Systemic: Finale, Roundup-Pro Postemergence Control of Weedy Grasses Landscape Weed Control โ JC Neal, NCSU Aryloxyphenoxy propionate (FOPS) fenoxaprop (Acclaim) fluazifop (Fusilade & Ornamec) Cyclohexanedione (DIMS) Sethoxydim (Vantage and Poast) Clethodim (Envoy) Postemergence Graminicides โ Classifications โ Landscape Weed Control โ JC Neal, NCSU Acclaim Extra Class: FOP AI: fenoxaprop-p controls summer annual grasses Does not control sedges or perennial grasses or annual bluegrass Used mainly in turf clethodim (Envoy) sethoxydim (Vantage) Landscape Weed Control โ JC Neal, NCSU Fusilade Class: FOP AI: Fluazifop-p controls annual and perennial grasses Does not control sedges or annual bluegrass Weak on some fescues, Sweet Vernal Grass, Landscape Weed Control โ JC Neal, NCSU Vantage Class: DIM AI: sethoxydim controls annual and perennial grasses Does not control sedges or annual bluegrass Weaker on perennial grasses Landscape Weed Control โ JC Neal, NCSU Envoy Class: DIM AI: clethodim controls annual and perennial grasses โ including annual bluegrass and fescue Does not control sedges
