Full TGIF Record # 225846
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Publication Type:
Author(s):Gover, Arthur E.; Kuhns, Larry J.; Batey, David A.
Author Affiliation:Gover: Project Associate; Batey: Research Technologist, Agronomy; Kuhns: Professor, Ornamental Horticulture
Title:Evaluation of turf species and mixtures for roadside conditions, Salunga, PA, 1991
Section:1991 results: Roadside vegetation management studies
Other records with the "1991 results: Roadside vegetation management studies" Section
Source:Turfgrass Research Results 1990/1991 [Penn State]. 1991, p. 120-121.
# of Pages:2
Publishing Information:[University Park, Pennsylvania]: [Pennsylvania State University, College of Agriculture, Agronomy Dept., Entomology Dept., Horticulture Dept., Plant Pathology Dept.]
Abstract/Contents:"As part of a cooperative research project with the Pennsylvania Department of Transportation, an experiment evaluating seven single species treatments and five turf mixtures (Table 1) was established in September 1987, in the interchange of SR 283 and SR 230, near Salunga, Lancaster County, PA. Prior to seeding the site was treated with 3 lb ae/acre of glyphosate, the killed vegetation was mowed, and the seedbed was prepared with an Olathe model 83 turf overseeder. The treatments were drop seeded at 100 lb seed/acre onto 12 by 30 ft plots arranged in a randomized complete block design, with three replications. The area had not been fertilized. Herbicide treatments to control broadleaf weeds were applied July 5, 1988 (1.22 lb ae/acre 2,4-D, 0.65 lb ae/acre MCPP, and 0.11 lb ae/acre dicamba) and October 29, 1991 (0.3 lb ae/acre trilopyr, 0.09 lb ae/acre clopyralid, an 0.012 lb ai/acre chlorsulfuron). The site was mowed once in 1989, and once in 1990. Beginning in 1991, the area was included in normal PennDOT maintenance activities, and was mowed four times at a height of approximately 2.5 in. Visual ratings of percent turf and weed cover were taken May 10, July 22, and October 29, 1991. A grid sampling of soil depth of 20 in, and the overall quality of the site is poor as it appears to be fill material. All treatment combinations declined in quality compared to previous years, and all combinations seemed to be suffering from the drought, particularly on July 22. The growing season was extremely dry, with below average rainfall every month from April through October. The predominant weeds were crownvetch (Coronilla varia) and Canada thistle (Cirsium arvense). Tall fescue, Kentucky bluegrass, and creeping red fescue were rated as weeds in plots where they were not seeded. Under the severe conditions imposed this year, none of the treatments provided outstanding performance. Individual plants tended to be stunted. The best performance was provided by a combination of 'Ensylva' creeping red fescue 'Aurora' hard fescue, which was the only treatment rated higher for turf cover than weed cover by October 29. Other treatments were notable only for their lack of performance. There was almost no sign of 'Tioga' deertongue grass or perennial ryegrass in the plots where they were seeded."
Note:This item is an abstract and table only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Gover, A. E., L. J. Kuhns, and D. A. Batey. 1991. Evaluation of turf species and mixtures for roadside conditions, Salunga, PA, 1991. Turfgrass Research Results 1990/1991 [Penn State]. p. 120-121.
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