Full TGIF Record # 71252
Item 1 of 1
Publication Type:
Content Type:Abstract or Summary only
Author(s):Davis, D. W.; Goatley, J. M. Jr.; Krans, J. V.; Philley, H. W.; Maddox, V. W.
Author Affiliation:Davis: University of Missouri; Goatley: Mississippi State University
Title:Determining genetic causes of off-type formation in triploid turf bermudagrasses
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. 166.
# of Pages:1
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
Keywords:TIC Keywords: Golf greens; Color; Rooting; Amplification fragment length polymorphisms; Pendimethalin; Oryzalin; Herbicides; Cynodon dactylon; Cynodon transvaalensis; Herbicide application
Cultivar Names:Floradwarf; Champion; MS-Supreme; Tifdwarf; TifEagle; Tifgreen
Abstract/Contents:"Off-types, a recurring problem on putting greens planted with triploid hybrid bermudagrasses, exhibit unsightly discoloration and often fail to root to the soil matrix, interfering with ball roll. Results from two experiments aimed at clarifying the basis of their occurrence will be presented. The first experiment consists of AFLP fingerprinting off-types from golf courses in the Southeast US, to determine if they are contaminants (i.e., a different triploid variety than the one presumptively planted) or genetic variants arising from the variety planted. The second experiment is a multi-cycle test aimed at learning if phenocopies of off-types can be induced by subjecting triploid bermudagrasses to acute doses of the dinitroaniline herbicides pendimethalin and oryzalin. To control for contamination, breeder's material of 6 triploid bermudagrass varieties ('Champion', 'Floradwarf', MS-Supreme', 'Tifdwarf', 'Tifeagle', & 'Tifgreen') is established in sterile medium in greenhouse flats. Samples for establishing subsequent cycles are taken from herbicide-treated tissue of the preceeding cycle. As a means of assessing genetic and cytological stability of the treated materials, AFLP bands and chromosome numbers are monitored within each variety over cycles. Results are present from cycles 0 through 3."
Note:This item is an abstract only!
Geographic Terms:Southeast U.S.A.
See Also:Other items relating to: Bermudagrasses - Ultradwarf Cultivars
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Davis, D. W., J. M. Jr. Goatley, J. V. Krans, H. W. Philley, and V. W. Maddox. 2000. Determining genetic causes of off-type formation in triploid turf bermudagrasses. Annu. Meet. Abstr. p. 166.
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MSU catalog number: S 1 .A58
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