Full TGIF Record # 84268
Item 1 of 1
Publication Type:
i
Proceedings
Author(s):Mislevy, P.; Burton, G. W.; Busey, P.
Author Affiliation:Mislevy: Agric. Res. and Educ. Ctr., Univ. of Florida, Ona, FL; Burton: USDA, ARS, Forage and Turf Research Unit, Coastal Plain Exp. Stn., Tifton, GA; Busey: Fort Lauderdale Res. and Educ. Ctr., Univ. of Florida, Fort Lauderdale, FL
Title:Bahiagrass response to grazing frequency
Source:The Soil and Crop Science Society of Florida: Proceedings. Vol. 50, 1991, p. 58-64.
# of Pages:7
Publishing Information:Hollywood, Florida: Soil and Crop Science Society of Florida
Keywords:TIC Keywords: Paspalum notatum; Grazing; Forage; Forage crops; Seedling vigor; Dry weight; Cultivar evaluation
Cultivar Names:RCP-1; Tifton 54; Tifton 9; Cycle 8; Pensacola
Abstract/Contents:"The most popular perennial forage grass in Florida is bahiagrass (Paspalum notatum Flugge) totaling about 2.5 million acres. However, forage production under cool conditions and short days is limited. The purpose of this experiment was to screen eight bahiagrass entries at four grazing frequencies (GF) for dry matter (DM) yield, quality, total nonstructual carbohydrates (TNC), and persistence. The study was designed as split-plot with three randomized complete blocks of 2-, 3-, 5-, and 7-wk GF as main plots and bahiagrass entries (RCP-1, Tifton 54, Tifton9, F1 2x4, Cycle 8, F1 3x2, Pensacola, and FL-1939) as subplots. Crude protein (CP), in vitro organic matter digestion (IVOMD), and TNC were monitored in the spring (after December to May forage accumulation), June, August to early September, September to October, and November to December from 1985 to 1987. After each forage sampling 50 crossbred yearling steers A-1 were allowed to graze wach treatment to a 2- to 3-in stubble height. Fertilization practices consisted of 120-46-92 lb A-1 N-P205-K2O2 with N being applied in three equal applications. Tifton 9 was superior to Pensacola producing 47, 28, and 34% higher DM yield when accumulated from December to May, May to December and total annual (December to December), respectively. Tifton 9 produced 39, 44, and 68% higher DM yield than Pensacola under fall conditions from GF of 3-, 5-, and 7-wk, respectively. Crude protein and IVOMD of Tifton 9 and Pensacola were about equal or slightly higher in favor of Pensacola regardless of when the forage was harvested. Delaying GF from 2 to 7 wk generally increased DM yield and decreased forage quality, especially when GF was delayed beyond 3 wk. Tifton 9 demonstrated superior seedling vigor over Pensacola, 35 d after seeding. Little difference was observed in TNC among GF until the summer of the third year, when 3-, 5-, and 7-wk frequencies averaged about 4 percentage units higher than the 2-wk GF. These data indicate grazing bahiagrass at 3 wk, produces good yields of adequate quality and crown survival. Tifton 9 was superior in yield to the commercial standard Pensacola and merits further testing under grazing."
Language:English
References:18
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Mislevy, P., G. W. Burton, and P. Busey. 1991. Bahiagrass response to grazing frequency. p. 58-64. In The Soil and Crop Science Society of Florida: Proceedings. Hollywood, Florida: Soil and Crop Science Society of Florida.
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