Full TGIF Record # 65947
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Kitt, Mark J.; Clubine, Steve E.; Arndt, Randy S.
Author Affiliation:Kitt: Field Market Development Specialist; Clubine: Grassland Biologist; Arndt: Wildlife Biologist, Valent USA Corporation, Walnut Creek, CA
Title:Clethodim for control and or suppression of tall fescue in native prairie warm-season grass restoration projects
Meeting Info.:Columbus, OH: December 14-16, 1999
Source:Proceedings of the North Central Weed Science Society. Vol. 54, 1999, p. 111-112.
# of Pages:2
Publishing Information:Champaign, IL: North Central Weed Science Society
Keywords:TIC Keywords: Clethodim; Festuca arundinacea; Weed control; Prairie restoration; Native vegetation; Warm season turfgrasses; Herbicide evaluation; Ammonium sulfate; Tank mix; Application timing; Growth stages; Growth; Andropogon gerardii; Schizachyrium scoparium; Application rates; Herbicide injury
Abstract/Contents:"In 1999, research trials were initiated at Cole Camp and Albany, MO, to evaluate SELECT™ 2 EC herbicide for control of tall fescue and selectivity to native broadleaf forbes in native warm-season grass prairies. Clethodim is the active ingredient contained in SELECT™ 2 EC Herbicide. At both Cole Camp and Albany clethodim was applied at 0.125 and 0.156 lb/acre. Crop oil concentrate and ammonium sulfate were added to the spray mixture in all applications. Two application timings were evaluated at each site. Tall fescue growth stages at the Cole Camp location were four to six and six to eight inches. Tall fescue growth stages at the Albany location were six inch and eight to ten inch. At the Cole Camp location, the native prairie grasses, big bluestem and little bluestem, were emerged at the time of the six to eight inch fescue timing and had reached heights of two to three inches. Tall fescue control ranged from between 83 and 97%. At the Cole Camp location, tall fescue control was 83 and 89% for the two clethodim rates (0.125 and 0.156 lb/acre, respectively) when applied to four to six inch tall fescue. Control increased to 92 and 97% when the same two clethodim rates were applied to the six to eight inch tall fescue. At the Albany location, tall fescue control was 93 and 96% for the two clethodim rates when applied to six inch tall fescue and 96% when applied to eight to ten inch tall fescue for both rates of clethodim. No injury was observed to the emerged broadleaf plants at either location at any clethodim rate tested. At the Cole Camp location, clethodim applied to emerged Big and little bluestem resulted in imjury to these native grasses. This injury was short lived and by five weeks after treatment no injury was visible."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kitt, M. J., S. E. Clubine, and R. S. Arndt. 1999. Clethodim for control and or suppression of tall fescue in native prairie warm-season grass restoration projects. Proc. North Cent. Weed Sci. Soc. 54:p. 111-112.
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