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| Web URL(s): | http://newss.org/proceedings/proceedings_2009.pdf#page=123
Last checked: 07/17/2013
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Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Askew, S. D.;
Jester, J. L. |
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| Author Affiliation: | Virginia Tech, Blacksburg |
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| Title: | Herbicides for establishing perennial grasses in naturalized areas |
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| Section: | Turfgrass workshop
Other records with the "Turfgrass workshop" Section
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| Meeting Info.: | Baltimore, Maryland: January 6-8, 2009 |
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| Source: | Proceedings of the Sixty-Third Annual Meeting of the Northeastern Weed Science Society. Vol. 63, 2009, p. 108. |
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| Publishing Information: | Baltimore, Maryland: Northeastern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Bouteloua gracilis; Herbicide combinations; Native grasses; Schizachyrium scoparium
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| Abstract/Contents: | "The addition of adaptable perennial grasses typically referred to as "native species" to golf courses is a relatively new practice. Unlike conservation efforts, golf courses must establish cover quickly for aesthetics and weed control. Utilizing methods such as increased seeding rates and scheduled watering can expedite the maturation of the stand but weeds still pose a constant problem. Herbicide usage is critical to promote development of slow-maturing perennial grasses by reducing weed competition. Evaluating the effects of commonly used herbicides on blue grama grass (Bouteloua gracilis, BGG) and little bluestem grass (Schizachyrium scoparium, LBG) can provide data necessary to make herbicide selection easier while protecting the developing stand. Our objectives were to evaluate 25 herbicides or herbicide combinations for effects on BGG and LBG. LBG and BGG were seeded in rows on June 22, 2007 in Blacksburg, VA as part of an endeavor to transition managed turf to an unmanaged meadow. Initial plant densities ranged from 1 to 78 BGG plants and 18 to 103 LBG plants per plot. The study was established as a RCBD with 3 replications and 26 treatments. LBG and BGG had a minimum of three leaves at time of application. Herbicides included in this study are: amicarbazone; aminopyralid; bentazon; carfentrazone; carfentrazone + 2,4-D + MCPP + dicamba; chlorsulfuron; 2,4-D + MCPP + dicamba; fenoxaprop; flazasulfuron; fluazifop; flucarbazone; foramsulfuron; halosulfuron; imazapic; mesotrione; metsulfuron; nicosulfuron; primisulfuron; quinclorac; simazine; sulfentrazone; sulfosulfuron; tembotrione; topramezone; and trifloxysulfuron. All herbicides were applied with appropriate adjuvant and at label-recommended rates for crops on which the products are registered. BGG and LBG levels of phytotoxicity were assessed weekly for 6 week by visually estimating plant discoloration and stunting compared to the non-treated control. Plant counts were taken at the initiation of the trial and final week, change in stand density per herbicide treatment was then calculated. LBG was not significantly injured by the following: Aminopyralid; bentazon; carfentrazone; carfentrazone + 2,4-D + MCPP + dicamba; chlorsulfuron; 2,4-D + MCPP + dicamba; fenoxaprop; flazasulfuron; foramsulfuron; halosulfuron; mesotrione; metsulfuron; nicosulfuron; primisulfuron; quinclorac; simazine; sulfentrazone; sulfosulfuron; tembotrione. Amicarbazone; fluazifop; flucarbazone; imazapic; trifloxysulfuron and topramezone induced the greatest loss in plant counts for LBG. Trifloxysulfuron had the greatest phytotoxic injury in LBG of 37.5% at 4 WAT. BGG was not injured by the following herbicides: bentazon; carfentrazone; carfentrazone + 2, 4-D + MCPP + dicamba; fluazifop; flucarbazone; halosulfuron, metsulfuron; and sufentratzone. Topramezone; imazapic; nicosulfuron; foramsulfuron; and tembotrione induced the greatest loss in plant counts and the highest rates of phytotoxicity in BGG. Tembotrione induced phytotoxic rates of 90% or greater at 4, 5, and 6 WAT. All other herbicides caused tolerable levels of phytotoxic injury to BGG. These data indicate that several herbicides are safe to use on these adaptable perennial grasses." |
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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):
Askew, S. D., and J. L. Jester. 2009. Herbicides for establishing perennial grasses in naturalized areas. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 63:p. 108. |
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| Web URL(s):
http://newss.org/proceedings/proceedings_2009.pdf#page=123
Last checked: 07/17/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 610 .N62 |
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