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| Web URL(s): | http://www.bioone.org/bioone/?request=get-document&issn=0043-1745&volume=052&issue=03&page=0376
Last checked: 11/2005
Access conditions: Item is within a limited access website |
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| Publication Type:
| Refereed |
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| Author(s): | Teuton, Travis C.;
Brecke, Barry J.;
Unruh, J. Bryan;
MacDonald, Greg E.;
Miller, Grady L.;
Ducar, Joyce Tredaway |
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| Author Affiliation: | Teuton: Department of Plant Sciences and Landscape Systems, University of Tennessee, Knoxville, Tennessee; Brecke: Department of Agronomy, University of Florida, Milton, Florida; Unruh: Department of Horticultural Sciences, Univesity of Florida, Milton, Florida; MacDonald: Department of Agronomy, University of Florida, Gainesville, Florida; Miller: Department of Horticultural Sciences, University of Florida, Gainesville, FLorida; Ducar, Department of Animal and Plant Sciences, Berry College, Mt. Berry, Georgia |
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| Title: | Factors affecting seed germination of tropical signalgrass (Urochloa subquadripara) |
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| Section: | Weed biology and ecology
Other records with the "Weed biology and ecology" Section
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| Source: | Weed Science. Vol. 52, No. 3, May/June 2004, p. 376-381. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Urochloa subquadripara; Stenotaphrum secundatum; Weed control; Germination; Emergence; Light; Soil pH; Air temperature; Soil temperature; Growing degree days
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| Abstract/Contents: | "Tropical signalgrass is one of the dominant weeds in the Florida turfgrass industry and is potentially troublesome for the southeastern turfgrass industry. Tropical signalgrass is especially problematic for St. Augustinegrass sod producers because of lack of control options. The objectives of our research were to determine the effect of light, pH, temperature, water potential, and planting depth on tropical signalgrass germination and emergence. Tropical signalgrass germination does not require light and is optimum at pH 5 to 6, temperature 25 C, and water potentials greater than -0.4 MPa. Tropical signalgrass shoots emerged from depths of 0 to 7 cm, with maximum germination when placed on the soil surface. Tropical signalgrass seedlings emerged in the field in the second week of March in Ft. Lonesome, FL. Weekly mean soil and ambient air temperatures at the time of emergence were 20 C. Tropical signalgrass emergence was first observed at 118 and 73 growing degree-days (GDD) (13 C base temperature), with a peak emergence period at 222 and 156 GDD for 2001 and 2002, respectively." |
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| Language: | English |
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| References: | 18 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Teuton, T. C., B. J. Brecke, J. B. Unruh, G. E. MacDonald, G. L. Miller, and J. T. Ducar. 2004. Factors affecting seed germination of tropical signalgrass (Urochloa subquadripara). Weed Sci. 52(3):p. 376-381. |
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| Web URL(s):
http://www.bioone.org/bioone/?request=get-document&issn=0043-1745&volume=052&issue=03&page=0376
Last checked: 11/2005
Access conditions: Item is within a limited access website |
| 
MSU catalog number: SB 610 .W38 |
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