Full TGIF Record # 44839
Item 1 of 1
Publication Type:
Author(s):Watkins, John; Wit, Leonard
Author Affiliation:Plant Pathology Extension Specialist and JSA Turf Research Facility-ARDC Unit Manager, Turfgrass Science Team, University of Nebraska, Institute of Agriculture and Natural Resources
Title:Effect of nitrogen level and cutting height on brown patch severity
Section:Pest management
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Source:Turfgrass Research Report - 1992 [Nebraska]. 1992, p. 47.
# of Pages:1
Publishing Information:[Lincoln, NE]: University of Nebraska
Keywords:TIC Keywords: Nitrogen; Fertilization rates; Mowing height; Brown patch; Disease severity; Festuca arundinacea
Abstract/Contents:Treatments were applied to a 'Rebel' tall fescue turf established in May 1987 at the University of Nebraska John Seaton Anderson Turfgrass Research Facility, Mead, NE. Nitrogen treatments of 0, 1/3, 2/3, 1 and 1 1/2 lb actual N/ 1000 ft₂ were applied 5 May, 16 June, 7 July, 5 August, 11 September, 8 October. This gave seasonal N rates of 0, 2, 4, 6, and 8 lb/1000 sq. ft. Liquid urea (46-0-0) was used as the fertilizer. Brown patch developed rapidly during the growing season and stabilized at moderately severe levels by early August. At the 1 in cuttting ht, the level of N applied had every little effect on brown patch severity. However, at 2.5 in there was a noticeable increase in brown patch severity with increasing N level. Brown patch was light to moderate at 0 and 2 lb N and became moderatly severe at 4, 6 and 8 lb N. The most severe brown patch was at the 8 lb N level. The included chart provides the 1992 brown patch rating for 20 August and 3 September.
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Watkins, J., and L. Wit. 1992. Effect of nitrogen level and cutting height on brown patch severity. Turfgrass Res. Rep. Nebr. p. 47.
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