Effect of chemical treatments on bahiagrass (Paspalum notatum) suppression

Field studies were conducted at Charleston, SC to evaluate the effects of six chemical treatments on bahiagrass and the potential of these treatments to reduce mowing operations. Sulfometuron, maleic hydrazide, and imazethapyr plus imazapyr, in decreasing order of effectiveness, were the most consis...

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Bibliographic Details
Published in:Weed technology 1993-01, Vol.7 (1), p.127-133
Main Authors: Nelson, L.S, Getsinger, K.D, Luu, K.T
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
ALTURA
Ammunition
Biological and medical sciences
CALIDAD
CAROLINA DEL SUR
CAROLINE DU SUD
CESPED
CHEMICAL CONTROL
Chemical treatment
CHLORSULFURON
CONTROL QUIMICO
CRECIMIENTO
CROISSANCE
Discoloration
FAUCHAGE
FLUAZIFOP-P
Fundamental and applied biological sciences. Psychology
GAZON
GRAINE
GROWTH
GROWTH RETARDATION
HAUTEUR
HEIGHT
HERBICIDAS
HERBICIDE
HERBICIDES
HIDRACIDA MALEICA
HYDRAZIDE MALEIQUE
Hydrazides
IMAZAPYR
IMAZETHAPYR
LAWNS AND TURF
LUTTE CHIMIQUE
MALEIC HYDRAZIDE
MEFLUIDIDA
MEFLUIDIDE
MOWING
mowing reduction
Parasitic plants. Weeds
PASPALUM NOTATUM
Phytopathology. Animal pests. Plant and forest protection
QUALITE
QUALITY
Quaternary ammonium compounds
REPRODUCCION SEXUAL
REPRODUCTION SEXUEE
Salts
SEEDS
SEMILLA
SEXUAL REPRODUCTION
SIEGA
SOUTH CAROLINA
SULFOMETURON
TURF
Turf grasses
Turf management
Weapons
Weeds
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Summary:Field studies were conducted at Charleston, SC to evaluate the effects of six chemical treatments on bahiagrass and the potential of these treatments to reduce mowing operations. Sulfometuron, maleic hydrazide, and imazethapyr plus imazapyr, in decreasing order of effectiveness, were the most consistent treatments evaluated during the 2-yr study. Sulfometuron reduced bahiagrass vegetative height (23%) for 6 to 8 WAT and suppressed 87 to 92% of seedheads without adversely affecting turf quality. All treatments temporarily discolored turf; however, effects were not objectionable for medium- to low-quality turf settings. Sulfometuron, maleic hydrazide, and imazethapyr plus imazapyr controlled growth and maintained acceptable turf quality for an average of 9, 9, and 8 wk, respectively; thereby reducing mowing operations by an average 29%. Mefluidide plus fluazifop-P, mefluidide plus sulfometuron, and chlorosulfuron were the least effective and/or consistent treatments evaluated.
ISSN:0890-037X
1550-2740
DOI:10.1017/S0890037X0003699X