Full TGIF Record # 34802
Item 1 of 1
Publication Type:
i
Report
Author(s):Riego, Domingo C.; Taylorson, Ray B.
Author Affiliation:The Agricultural Group of Monsanto Company, Carmel. IN 46033; University of Rhode Island, Kinston, RI 02881
Title:Seedling interval of Kentucky bluegrass and perennial ryegrass after MON 12000 application; and EUP status of MON 12000 for yellow nutsedge control in turf
Meeting Info.:December 7-9, 1993, Kansas City, MO
Source:Proceedings of the North Central Weed Science Society. Vol. 49, 1994, p. 113.
# of Pages:1
Publishing Information:Champaign, IL: North Central Weed Science Society
Keywords:TIC Keywords: Halosulfuron-methyl; Herbicide evaluation; Cool season turfgrasses; Broadleaf weeds; Cyperus esculentus; Poa pratensis; Lolium perenne; Seeding time
Abstract/Contents:"MON 12000 is a sulfonyl urea currently being developed by the Agricultural Group of Monsanto Company for control of sedges and many broadleaf weeds in corn, milo, sugar cane, and in turf. The proposed name is halosulfuron. The approved tradename for turf is Manage herbicide. Research, product development, and university testing of MON 12000 in turf has been conducted since 1987. Results show that a rate of 0.03 lb ai/a provides excellent yellow nutsedge control in turf in the northern states while a rate of 0.06 lb ai/a is needed for control in the southern states. In areas with severe nutsedge infestation, or where regrowth or regeneration from seeds, rhizomes, or tubers occur, a sequential application of 0.03 lb ai/a 6-10 weeks will provide full season control. MON 12000 exhibited excellent safety to all major cool season turf species such as creeping bentgrass, Kentucky bluegrass, perennial ryegrass, tall fescue, fine fescue, and buffalograss; and warm season turf species such as bermudagrass, centipedegrass, bahiagrass, St. Augustinegrass, and zoysiagrass. In 1993, MON 12000 was tested in commercial use conditions under an experimental use permit (EUP) in 20 states and extended in 1994 in 32 states. EUP results in golf courses, landscapes, and LCO applications involving both broadcast and spot or spray to wet applications confirm the small, replicated plot data previously collected. One of the questions asked by endusers in the EUP is the seeding interval to turf after MON 12000 applications. One of the university trials conducted in 1994 to address this issue was at the University of Rhode Island. Kentucky bluegrass and perennial ryegrass was broadcast and raked into replicated split plots treated with MON 12000 at 0.03. 0.06, and 0.125 (4X rate) lb ai/a, with an untreated check. Seeding was done at 0, 7, 14, and 30 days after MON 12000 treatment. Percent Kentucky bluegrass and perennial ryegrass can be seeded safely 2 and 4 weeks, respectively, after MON 12000 treatment at the rates of up to 0.125 lb ai/a."
Language:English
References:0
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Riego, D. C., and R. B. Taylorson. 1994. Seedling interval of Kentucky bluegrass and perennial ryegrass after MON 12000 application; and EUP status of MON 12000 for yellow nutsedge control in turf. Proc. North Cent. Weed Sci. Soc. 49:p. 113.
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