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| Web URL(s): | http://www.ncwss.org/proceed/NCWSS-2012-Proceedings.pdf#page=39
Last checked: 07/15/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Breeden, Shane M.;
Farnsworth, Daniel;
Brosnan, James;
Breeden, Gregory K. |
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| Author Affiliation: | Breeden, S. M.: Maryville College, Maryville; Farnsworth, Brosnan, and Breeden, G. K.: University of Tennessee, Knoxville, TN |
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| Title: | Mowing height effects on preemergence herbicide efficacy for smooth crabgrass control |
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| Section: | Foresty/industrial/turf/aqautics/forage/range
Other records with the "Foresty/industrial/turf/aqautics/forage/range" Section
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| Meeting Info.: | St. Louis, MO: December 10-13, 2012 |
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| Source: | 67th Annual Meeting of the North Central Weed Science Society. Vol. 67, 2012, p. 39. |
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| Publishing Information: | Champaign, Illinois: North Central Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Cynodon dactylon; Digitaria ischaemum; Dithiopyr; Herbicide evaluation; Indaziflam; Mowing height; Oxadiazon; Pendimethalin; Preemergence herbicides; Prodiamine; Sulfentrazone + Prodiamine
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| Abstract/Contents: | "Smooth crabgrass (Digitaria ischaemum) is a problematic weed of warm- and cool-season turfgrass across the United States. While several preemergence (PRE) herbicides can effectively control smooth crabgrass, data describing the effects of certain turfgrass maintenance practices on PRE herbicide efficacy are limited. Research was conducted in 2012 to investigate the effects of mowing height on PRE herbicide efficacy for smooth crabgrass control in common bermudagrass (Cynodon dactylon) turf. Treatments included the factorial combination of two mowing heights (15 and 50 mm), six PRE herbicides (indaziflam, dithiopyr, oxadiazon, pendimethalin, prodiamine, and prodiamine + sulfentrazone), and two application regimes (single, sequential). Both regimes delivered the same rate of active ingredient for each herbicide; however, sequential regimes split this rate across two applications spaced eight weeks apart. Total application rates were as follows: indaziflam (35 and 52.5 g ha-1), dithiopyr (560 g ha1), oxadiazon (4500 g ha-1), pendimethalin (3360 g ha-1), prodiamine (1680 g ha-1), and prodiamine + sulfentrazone (1260 g ha-1). Mowing height-by-application regime interactions were detected in smooth crabgrass control data 5 months after initial treatment (MAIT). Mowing height-by-herbicide interactions were also detected in smooth crabgrass control data collected 3, 4, and 5 MAIT as well. At the 15 mm mowing height, split application regimes provided greater smooth crabgrass control than single applications at 5 MAIT; however, no significant differences were detected between single and split application regimes at the 50 mm mowing height. By 5 MAIT, all herbicides except prodiamine provided greater smooth crabgrass control when applied to turf maintained at 50 mm compared to 15 mm. Data illustrate that mowing height can affect efficacy of PRE herbicides for smooth crabgrass control." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Updated version appears in Proceedings of the Southern Weed Science Society: 66th Annual Meeting, Vol. 66 2013, p. 2, R=227331. R=227331 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Breeden, S. M., D. Farnsworth, J. Brosnan, and G. K. Breeden. 2012. Mowing height effects on preemergence herbicide efficacy for smooth crabgrass control. Proc. North Cent. Weed Sci. Soc. 67:p. 39. |
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| Web URL(s):
http://www.ncwss.org/proceed/NCWSS-2012-Proceedings.pdf#page=39
Last checked: 07/15/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 610 .N6 |
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