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| Web URL(s): | http://www.newss.org/proceedings/proceedings_2006.pdf#page=114
Last checked: 07/22/2013
Requires: PDF Reader
Notes: Item is within a single 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): | Askew, S. D.;
McCall, D. S.;
Willis, J. B.;
Ricker, D. B. |
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| Author Affiliation: | Virginia Tech, Blacksburg, Virginia |
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| Title: | Partial fairway transition as a novel approach to improve transtion aesthetics |
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| Section: | Turfgrass and plant growth regulators II
Other records with the "Turfgrass and plant growth regulators II" Section
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| Meeting Info.: | Providence, RI: January 3-6, 2006 |
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| Source: | Proceedings: NortheasternWeed Science Society. Vol. 60, 2006, p. 109. |
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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: Aesthetic values; Overseeding; Weed control; Cynodon; Herbicide application; Lolium perenne; Herbicide timing; Golf fairways
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| Abstract/Contents: | "Golf course fairways and athletic fields are often overseeded with perennial ryegrass (PR) in Virginia's transtion zone climate. Tournaments, graduations, or other events often delay the decision to transition back to a bermudagrass (BG) monoculture. Delayed transition limits BG growing season and ultimately may reduce BG density over several seasons. Managers desire methods to partially or "slowly" transition the fairway while maintaining aesthetics. Past attempts with reduced rates of sulfonylurea herbicides and repeated treatments have been marginally successful. Typically, these herbicides cause severe discoloration each time they are applied, thus decreasing turfgrass aesthetics. This injury is contrary to the manager's purpose for delaying transition in the first place, which is to maintain turfgrass visual appeal. Recent research is VA and KS has demonstrated establishment of seeded BG cultivars by creating narrow strips in existing turf using herbicides. When viewed from a vantage point perpendicular to killed strips, existing turfgrass has visual quality equal to nontreated turf and strips allow for establishing seeded BG without limiting use of existing turf. Studies conducted in Blacksburg applied this concept to transition of overseeded BG using a selective herbicide herbicide to partially control PR. Two RCB studies were conducted at the VA Tech Golf Course that consisted of 'Riviera' BG overseeded the previous fall with 'Field General' PR and on a fairway at Stoney Creek Golf Course, Wintergreen, VA that consisted of 'Vamont' BG overseeded with a mix of PR and Kentucky bluegrass. The first study evaluated partial PR control by applying foramsulfuron at 0.029 kg ai/ha on 16.6% of turf in 5-cm strips spaced every 30 cm, vertical mowing 3X at 2-wk intervals, and fertilizing at 1.1 kg N/ha using 10-10-10 fertilizer 3X at 2-wk intervals. Treatments included nontreated, fertilizer alone, fertilizer + verticut, fertilizer + strip kill, and fertilizer + verticut + strip kill. In a separate study strips were killed in the same way at 2.5 and 5 cm widths and varying frequencies so that 16.6, 20, 25, 33, and 50% PR was selectively controlled on Apr 29 and May 2 at Wintergreen and Blacksburg, respectively. Plots were evaluated for turfgrass quality at a viewing angle of 0, 45, and 90 degrees relative to the direction of killed strips and a distance of 8 m. In the first study, strip kill statistically improved BG cover in Blacksburg on May 27, June 21, and Aug 1 and in Wintergreen on May 25, June 6, Jun 28, and Jul 27 compared to verticut, fertilizer, or nontreated plots. Verticut and fertilizer did not increase BG cover compared to nontreated plots at any rating. Turfgrass quality was always equivalent when viewed perpendicular to killed strips but strip kill plots had reduced quality during the first month viewed along strips. When strips were killed, BG cover on Aug 1 was 93% and 97% when plots were also fertilized and fertilized plus verticut, respectively. Nontreated turf was 83% BG and fertilizer plus verticut turf was 88% BG late season. When strips were killed in different frequencies in the second study, BG cover increased with increasing percentage kill at both locations. On Aug 1, BG cover was 55, 80, 93, 99, 98, and 97% when strip kill frequencies resulted in 0, 16.6, 20, 25, 33, and 50% PR control, respectively. Results indicate that strip killing PR in early summer allows rapid increase in BG cover without decreasing turfgrass quality as viewed perpendicular to strips." |
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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., D. S. McCall, J. B. Willis, and D. B. Ricker. 2006. Partial fairway transition as a novel approach to improve transtion aesthetics. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 60:p. 109. |
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| Web URL(s):
http://www.newss.org/proceedings/proceedings_2006.pdf#page=114
Last checked: 07/22/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 610 .N62 v. 60 |
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