Full TGIF Record # 71218
Item 1 of 1
Publication Type:
Content Type:Abstract or Summary only
Author(s):Skipper, H. D.; Elliott, M. L.; Des Jardin, E. A.; Guertal, E. A.
Author Affiliation:Skipper: Clemson University; Elliot and Des Jardin: University of Florida; Guertal: Auburn University
Title:Microbial populations and diversity in bentgrass putting greens as affected by N rate and root-zone mix
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Minneapolis, MN: November 5-9, 2000
Source:2000 Annual Meeting Abstracts [ASA/CSSA/SSSA]. 2000, p. 164-165.
# of Pages:2
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
Keywords:TIC Keywords: Soil microorganisms; Golf courses; Golf greens; Diversity; Agrostis stolonifera; Root zone mixture; Pseudomonas; Bacteria; Actinomycetales; Fertilization rates; NItrogen
Cultivar Names:Crenshaw
Abstract/Contents:"Microbial diversity in constructed and fumigated golf course putting greens is a topic that has not been widely explored. The objective of this project was to evaluate the microbial diversity of bentgrass (Agrostis palustris 'Crenshaw') greens over time as affected by root-zone mix and N rate. Two root-zone mixes (80/20% sand/peat and 100% sand) and two N rates (1.0 and 0.5 g N m-2 week-1) were evaluated, with four reps of each root-zone/N rate treatment built in individual separated mini-greens (1 m x ½ m). Quarterly (Feb., May, Aug., Nov.) 0-7.6 cm root samples were removed from each mini green, washed of attached mix and diluted with 0.1% Na4P2O7 with 1% glycerol. Sampling was performed for three years. Standard dilution plating techniques were used to evaluate populations of fluorescent pseudomonads, gram-positive bacteria, gram-negative bacteria, maltophilia-like bacteria, actinomycetes and heat-tolerant bacteria. There was rarely a significant N rate x root-zone mix interaction, although main effects of N rate and root-zone mix did affect microbial diversity at some samplings. If differences did exist, bacterial counts were higher in the sand/peat root-zone mix or in the treatments receiving the higher rate of N. There were no obvious population trends in any microbial population over the three-year sampling period."
See Also:See also related booklet, 2000, R=215446. R=215446
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Skipper, H. D., M. L. Elliott, E. A. Des Jardin, and E. A. Guertal. 2000. Microbial populations and diversity in bentgrass putting greens as affected by N rate and root-zone mix. Annu. Meet. Abstr. p. 164-165.
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