Full TGIF Record # 149590
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Web URL(s):https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/14874b.pdf
    Last checked: 02/06/2017
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Publication Type:
Author(s):Kopec, D. M.; Gilbert, J. J.; Nolan, S.; Pessarakli, M.
Author Affiliation:Kopec: Extension Specialist; Gilbert: Research Specialist Senior, Turfgrass; Nolan: Student Research Assistant, Turf; Pessarakli: Research Associate Professor, Turfgrass Science, College of Agriculture and Life Sciences, University of Arizona
Title:Perennial ryegrass transition using selected herbicides
Section:Turf management - spring transition: 2006 field trial
Other records with the "Turf management - spring transition: 2006 field trial" Section
Source:2009 Turfgrass, Landscape and Urban IPM Research Summary [Arizona]. February 2009, p. 115-138.
# of Pages:24
Publishing Information:Tucson, AZ: University of Arizona College of Agriculture & Life Sciences
Keywords:TIC Keywords: Chemical renovation; Herbicide efficacy; Herbicide evaluation; Lolium perenne; Transitional overseeding
Abstract/Contents:"Thirteen herbicide treatments were applied on May 8, 2006, on a golf course fairway to assess transition and turf quality effects. Initial injury to perennial ryegrass was most extreme for Tranxit GTA when applied at 1.0 oz/prod/acre and Katana applied at 2.0 oz/prod/acre. Katana resulted in the total elimination of ryegrass and resulted in a fully necrotic canopy (straw cover) within two weeks after application to July 19, 2006 (72 Days after treatment). The development and persistence of necrotic leaf tissue of perennial ryegrass (straw) had the greatest impact on decreasing overall turfgrass quality ratings. No treatment went through the summer without some loss of quality at some point, including the untreated control. Certainty had little or no effect on transition when applied once at the rate of 1.25 oz/prod/acre. Surflan was not effective in ryegrass transition. The tank mix of Transit and nicosulfuron applied at the rate of 0.25 oz/prod./A each, produced an enhanced transition with nominal quality. In similar fashion, Monument applied at 0.35 oz./A produced an enhanced transition with nominal quality. A rates used in this test, other treatments had either too slow of a transition or had poor and extended low quality turf scores from rapid development of dead ryegrass (straw) and subsequent slow bermudagrass re-establishment. The UTC turf maintained a high percentage of living green ryegrass into the summer and 20% live ryegrass on August 8, 2006 which is roughly six weeks before the next overseeding."
Note:"Published February 2009"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kopec, D. M., J. J. Gilbert, S. Nolan, and M. Pessarakli. 2009. Perennial ryegrass transition using selected herbicides. Turfgrass Landscape Urban IPM Res. Summ. p. 115-138.
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    Last checked: 02/06/2017
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