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| Web URL(s): | https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az12463a4.pdf
Last checked: 02/06/2017
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Kopec, D. M.;
Gilbert, J. J. |
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| Author Affiliation: | Kopec: Extension Specialist, Turf, Plant Sciences, University of Arizona; Gilbert: Research Specialist, Turf, Plant Sciences, University of Arizona |
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| Title: | The effects of pre-emergence applicantions [applications] of sulfentrazone herbicide and perennial ryegrass overseeding of Poa annua infestation of winter turf under desert conditions |
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| Section: | Herb and weed control
Other records with the "Herb and weed control" Section
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| Source: | Turfgrass, Landscape and Urban IPM Research Summary [Arizona]. 2001, p. 45-48. |
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| Publishing Information: | Tucson, AZ: University of Arizona |
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| # of Pages: | 4 |
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| Series: | P-126
AZ1246 |
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| Keywords: | TIC Keywords: Herbicide evaluation; Preemergence herbicides; Poa annua control; Sulfentrazone; Lolium perenne; Transitional overseeding; Winter; Desert climate; Application rates; Application timing; Establishment; Competition
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| Abstract/Contents: | "Poa annua or annual bluegrass is a cosmopolitan winter annual weed in turfgrass systems. A field test was conducted to evaluate the effects of sulfentrazone herbicide, both with and without the fall overseeding practice on bermudagrass in the desert. Sulfentrazone was applied three days before overseeding at 0.125, 0.187, 0.25, 0.375, 0.5 and 0.625 lbs.AI/A. Percent Poa infestation levels were dramatically less on overseeded (perennial ryegrass added) turf throughout the entire test period than non-overseeded (dormant bermudagrass) turf. For non-overseeded turf, sulfentrazone provided a maximum of 74% weed control at November 1997, 68% in December, and 25% by March 1998 at the highest application rate of 0.625 lbs./A. For overseeded (perennial ryegrass) turf, the highest level of weed control was achieved for sulfentrazone at the 0.625 lbs./A rate, which was 68% in April. The practices of overseeding and sulfentrazone applications provided the greatest weed control, however, different rate/timing regimes should be investigated to increase efficiency." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Original version appears in 1999 Proceedings of the Western Society of Weed Science, vol. 52 1999, p. 90-93, R=224876. R=224876 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kopec, D. M., and J. J. Gilbert. 2001. The effects of pre-emergence applicantions [applications] of sulfentrazone herbicide and perennial ryegrass overseeding of Poa annua infestation of winter turf under desert conditions. Turfgrass Landscape Urban IPM Res. Summ. p. 45-48. |
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| Web URL(s):
https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az12463a4.pdf
Last checked: 02/06/2017
Requires: PDF Reader |
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MSU catalog number: b4009236a |
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