Full TGIF Record # 225777
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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:Performance of Kentucky bluegrass varieties under low maintenance conditions, 1991
Section:1991 results: Turfgrass variety evaluations
Other records with the "1991 results: Turfgrass variety evaluations" Section
Source:Turfgrass Research Results 1990/1991 [Penn State]. 1991, p. 77-79.
# of Pages:3
Publishing Information:[University Park, Pennsylvania]: [Pennsylvania State University, College of Agriculture, Agronomy Dept., Entomology Dept., Horticulture Dept., Plant Pathology Dept.]
Abstract/Contents:"A test evaluating the performance of 63 Kentucky bluegrass varieties under low maintenance conditions was established as part of the National Turfgrass Evaluation Program on October 3, 1990, at the Landscape Management Research Center, University Park, PA. For the purposes of this test, low maintenance is defined as mowing 4 to 6 times per season at 3 to 4 in, applying no more than 1.0 lb of N/1000 sq. ft per year, no irrigation, and application of herbicides only when weed pressure is severe. The test area is mapped as a Hagerstown silt loam, and had a four year old stand of alfalfa on it prior to establishment. The alfalfa was treated with glyphosate, 2,4-D, and dicamba, at 1.5, 1.0, and 0.5 lb ae/acre, respectively. The area was rototilled, firmed with a Gill tool, and hand raked. The seed was dropped onto 4 by 6 plots arranged in a randomized complete block with three replications, starter fertilizer was applied at 0.7, 1.0, and 0.2 lbs of N, P2O5, and K2O/1000 sq. ft, respectively. The area was fertilized with 0.5 lb/1000 sq. ft of urea N on May 23, and October 23, 1991. The area was mowed at a height of 4 in with a rotary mower collecting clippings in late April and early May to remove shepherds purse (Capsella bursa-pastoris) inflorescences, and on October 15. This mowing frequency was lower than anticipated, due to the drought conditions experienced throughout the growing season. Average rainfall for the region was six inches below normal for April through October, an rainfall was below average for every month in that period. The area was mowed at 4 in with clippings returned in late August. A treatment of 2,4-D and dicamba at 0.25 plus 0.12 lb ae/acre was applied May 29 for control of broadleaf weeds. The area did not receive irrigation. Visual ratings of percent turf cover and weed cover were taken May 21; percent turf cover, and turf color and quality were rated June 28; visual ratings of leaf spot (Drechslera poae) severity were taken September 5; canopy height measurements were taken October 1, and turf and quality were rated October 23, 1991. These results are reported in Table 1."
Note:This item is an abstract and tables only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Gover, A. E., L. J. Kuhns, and D. A. Batey. 1991. Performance of Kentucky bluegrass varieties under low maintenance conditions, 1991. Turfgrass Research Results 1990/1991 [Penn State]. p. 77-79.
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