Full TGIF Record # 42240
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Web URL(s):http://www.newss.org/proceedings/proceedings_1997_vol51.pdf#page=51
    Last checked: 07/24/2013
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Watschke, Thomas L.; Borger, Jeffrey A.
Author Affiliation:Professor and Research Assistant, Department of Agronomy, Penn State University
Title:The effect of trinexapac-ethyl on putting green speed
Meeting Info.:Newport, RI; January 6-9, 1997
Source:Proceedings of the 51st Annual Meeting of the Northeastern Weed Science Society. Vol. 51, 1997, p. 51.
Publishing Information:College Park, MD: Northeastern Weed Science Society
# of Pages:1
Keywords:TIC Keywords: Golf green maintenance; Golf green speed; Growth regulator evaluation; Trinexapac-ethyl
Abstract/Contents:"This study was conducted at The Valentine Turfgrass Research Center, University Park, PA, on a mature mixed stand of penncross creeping bentgrass (Agostis palustris) and annual bluegrass (Poa annua). Two applications of trinexapac-ethyl (1EC) at two rates, 0.06 and 0.125 oz/M, were applied at two application timings to 3'x20' plots in a randomized complete block design. A hand held CO₂ powered boom sprayer, was calibrated to deliver 40 gpa at 30 psi using two 6504 flat fan nozzles. The first application was on May 30, 1996, the second on July 8, 1996. Data collection was initiated on July 2, 1996, and was completed on July 25, 1996. The test site was mowed, in one direction perpendicular to the roll of the ball at 5/32" on Monday, Wednesday and Friday using a triplex reel mower collecting the clippings. On Tuesdays and Thursdays after the dew was whipped from the test site, (no mowing) stimp meter readings were taken every two hours using three golf balls rolled in two directions (away from the back to a starting point) starting at 6 a.m. and continued until 8 p.m. At the onset of each two hour data collection interval, a visual weather observation and soil temperature was recorded (on some days inclement weather prohibited the completion of the full day's data collection). The test area did not receive any fertilizer, and irrigation was applied on an as needed basis, on non data collection days. In general, the lowest green speed was found early in the day (6 a.m.) and later in the day (4 p. m.). Although, on two occasions, a midday low was recorded. Wind, proximity of rainfall to measurement time, overall growing conditions (air and soil temperatures), leaf wetness, and other environmental parameters interact to impact results. Only a slight rate effect was found. At most observation times, trinexapac-ethyl treated turf allowed for slightly faster ball roll (3 to 7 inches), although, on occasion, untreated turf allowed the ball to roll further. Little evidence was found at the rates used, that trinexapac-ethyl treated turf could provide a putting surface which would be of uniform speed throughout the day than non treated turf."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Watschke, T. L., and J. A. Borger. 1997. The effect of trinexapac-ethyl on putting green speed. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 51:p. 51.
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Web URL(s):
http://www.newss.org/proceedings/proceedings_1997_vol51.pdf#page=51
    Last checked: 07/24/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: SB 610 .N62 v. 51
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