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| Web URL(s): | http://www.newss.org/proceedings/proceedings_2010.pdf#page=86
Last checked: 07/22/2013
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Notes: Item is within a singel large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | McDonald, S.;
Agnew, M. |
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| Author Affiliation: | Turfgrass Disease Solutions, LLC, Spring City, PA |
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| Title: | Use of mesotrione in hydroseeding, conventional seeding, and sod establishment of cool-season turfgrass |
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| Meeting Info.: | Cambridge, MA: January 4-7, 2010 |
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| Source: | Proceedings: 64th Annual Meeting of the NortheasternWeed Science Society. Vol. 64, 2010, p. 70. |
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| Publishing Information: | Ithaca, NY: Northeastern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Cool season turfgrasses; Herbicide efficacy; Herbicide evaluation; Hydroseeding; Lolium perenne; Mesotrione; Poa pratensis; Seeding; Sod establishment
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| Cultivar Names: | Pizzazz |
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| Trade Names: | Tenacity 4SC |
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| Abstract/Contents: | "Establishment of cool-season turfgrass in summer months can be a daunting task due to weed pressure, especially from annual grasses. Three trials were conducted to determine the potential use of mesotrione (Tenacity 4SC) for use in hydroseeding applications, sod establishment and conventional seeding during summer. The purpose of study one was to investigate the safety of 'Pizzazz' perennial ryegrass (Lolium perenne; PRG) and weed control spectrum of mesotrione used at establishment in a hydro-seeding spray and again 21 days following. There was six treatments including: 1.) spraying with a flat fan nozzle, 0.156 lb ai/A (5 fl oz product/A of mesotrione on bareground and applying the hydro-seed mix (i.e. seed, water, fibers) on top of the mesotrione treated soil; 2.) hydro seeded at 6 pounds of perennial ryegrass and mesotrione was sprayed on top of the hydro seed mix once it was dry on the same day using a flat fan nozzle; 3.) 0.156 lb ai/A (5 fl oz product/A) of mesotrione in the hydro-seed mix; 4.) conventionally seeded; 5.) treatment 3 applied twice over the plots; and 6.) hydro-seeded without mesotrione. Hydro-seed treatments were applied using a 50 gallon tractor mounted Tubro Turf Hydro Seeder. Plots were seeded 16 June 2009. The sequential application of mesotrione was applied on 7 July 2009. All plots receiving mesotrione at seeding had no ragweed plants per plot which was significantly less than the conventionally seeded and hydro-seeded-alone plots. All plots receiving mesotrione treatments had significantly less coverage from crabgrass on every rating date. Data from this trial indicate that mesotrione may have the potential to be recommended for use in the hydro-seeding tank with PRG and at rates evaluated will control broadleaf and grassy weeds that can be problematic at establishment. A second study evaluated mesotrione applied at 0.156 lb ai/A (5 fl oz product/A) below the placement (below sod) of Kentucky bluegrass (Poa pratensis) sod, once the sod was laid (i.e. on top of sod) and below and once it was laid (i.e. once on top and once on bottom where 10 fl oz product/A total). All plots received a sequential application of mesotrione 21 days later. Little to no injury to the Kentucky bluegrass was observed on any rating date following applications. All mesotrione treated plots had significantly less smooth crabgrass (Digitaria ischaemum) when compared to the untreated. These data indicate that mesotrione applied below or on top of sod in heavily weed pressure may help to reduce weed competition without negative effect to the sod. The third trial evaluated three seeding regimes (100% 'Pizzazz' PGR, 80% turf type tall fescue blended with 20% Kentucky bluegrass and non-seeded control) with and without mesotrione applied at seeding (7 September) and 21 days later (28 September). Weed pressure was low in this trial with only wild violet (Viola papilionacea) invading the treated and untreated plots. Mesotrione had little to no effect on seeding and turf establishment nor wild violet coverage, when compared to the untreated plots in all three seeding regimes." |
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| Language: | English |
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| References: | 0 |
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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):
McDonald, S., and M. Agnew. 2010. Use of mesotrione in hydroseeding, conventional seeding, and sod establishment of cool-season turfgrass. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 64:p. 70. |
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| Web URL(s):
http://www.newss.org/proceedings/proceedings_2010.pdf#page=86
Last checked: 07/22/2013
Requires: PDF Reader
Notes: Item is within a singel large file |
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MSU catalog number: SB 610 .N62 v. 60 |
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