Full TGIF Record # 71160
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Hardebeck, G. A.; Reicher, Z. J.
Author Affiliation:Purdue University
Title:Dithiopyr effects on seedling turfgrasses
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Minneapolis, MN: November 5-9, 2000
Source:2000 Annual Meeting Abstracts [ASA/CSSA/SSSA]. 2000, p. 162.
# of Pages:1
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
Keywords:TIC Keywords: Establishment; Seedlings; Digitaria; Weed competition; Poa annua; Dithiopyr; Preemergence herbicides; Postemergence herbicides; Herbicide rates; Safety; Festuca arundinacea; Agrostis stolonifera; Clippings; Clipping weight
Cultivar Names:Bonanza II; Providence
Abstract/Contents:"To improve establishment when seeding turfgrasses, it is important to minimize crabgrass competition in spring seedlings and annual bluegrass competition in fall seedlings. Dithiopyr has both pre and postemergence herbicidal properties that may limit annual grass competition in new seedlings. The objective of this study was to determine the safety of dithiopyr applied after seeding of tall fescue and creeping bentgrass in the greenhouse. Dithiopyr 1EC was applied at 0.28 and 0.56 kg ha-1 at 0, 3, 7, 10, 14, 17, 21, 24, and 28 days after emergence (DAE) of 'Bonaza II' tall fescue and 'Providence' creeping bentgrass in the greenhouse. Clipping weights were taken weekly and above ground plant weights were recorded at the termination of the study (49 DAE). Dithiopyr did not affect clipping weights nor above ground plant weights weights when applied to tall fescue seedlings as early as 14 DAE at 0.28 kg ha-1 and as early as 17 DAE at 0.56 kg ha-1. Both rates of dithiopyr decreased clipping weights of creeping bentgrass on all application dates, but applications after 7 DAE had no effect on above ground plant weight. These experiments as well as results from summer field studies will be discussed."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hardebeck, G. A., and Z. J. Reicher. 2000. Dithiopyr effects on seedling turfgrasses. Annu. Meet. Abstr. p. 162.
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MSU catalog number: S 1 .A58
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