Full TGIF Record # 172537
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Publication Type:
Author(s):Sanders, Patricia L.; Soika, Michael D.
Author Affiliation:Sanders: Associate Professor; Soika: Sr. Research Aide, Plant Pathology, Penn State University
Title:Control of dollar spot on creeping bentgrass, 1992
Section:Disease control in turfgrass
Other records with the "Disease control in turfgrass" Section
Source:Turfgrass Research Results. 1992, p. 82-84.
# of Pages:3
Publishing Information:[University Park, PA: Pennsylvania State University, College of Agricultural Sciences, Agronomy Dept., Entomology Dept., Horticulture Dept., Plant Pathology Dept.]
Abstract/Contents:"An evaluation of fungicides for control of dollar spot (Sclerotinia homeocarpa) was conducted at the Valentine Turfgrass Research Center, University Park, PA, on creeping bentgrass (Agrostis palustris 'Penncross') maintained under golf course greens management conditions, at 0.16 inch cutting height. The test area was fertilized on 29 Apr with 1.0 lb nitrogen per 1000 sq ft (Lesco 12-24-14) and on 22 May with 0.9 lb N per 1000 sq ft (Lesco 32-3-10). The experimental area was aerified and topdressed on 12-13 May. Individual plots, 3 ft x 15 ft, were arranged in a randomized complete block design with three applications. The experimental area was inoculated on 5 Jun by hand-scattering S. homeocarpa-infected rye grain throughout. Treatments were applied with CO2-powered boom sprayer, using T-jet 8004 nozzles, at 30 psi, in water equivalent to 2 gal per 1000 sq. ft. Applications were made on 3, 17, and 30 Jun; and 14 and 28 Jul; except as noted in the table. Dollar spot was evaluated on 15, 22, 29 Jun, 24 Jul, and 21 Aug. Data obtained were subjected to analysis of variance and Duncan's Multiple Range test. The majority of the chemicals tested gave excellent control of dollar spot, including eight of the nine reduced-rate-three-component mixtures. These mixtures, plus individual mixture components at reduced rates, appear in the results table in bold italics, preceded by an asterisk (*)."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sanders, P. L., and M. D. Soika. 1992. Control of dollar spot on creeping bentgrass, 1992. Turfgrass Research Results. p. 82-84.
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