Full TGIF Record # 111614
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Web URL(s):https://journals.ashs.org/hortsci/view/journals/hortsci/41/3/article-p815.xml?rskey=gwI4rQ
    Last checked: 11/19/2019
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Author(s):Berndt, W. L.; Vargas, Joseph M. Jr.
Author Affiliation:Berndt: Division of Professional and Technical Studies, Edison College, Fort Myers, Florida; Vargas: Department of Botany and Plant Pathology, Michigan State University, East Lansing, Michigan
Title:Dissimilatory reduction of sulfate in black layer
Section:Turf management
Other records with the "Turf management" Section
Source:HortScience. Vol. 41, No. 3, June 2006, p. 815-817.
# of Pages:3
Publishing Information:Alexandria, VA: American Society for Horticultural Science
Keywords:TIC Keywords: Sulfates; Black layer; Golf greens; Agrostis stolonifera; Respiration
Abstract/Contents:"Black layer has been associated with a severe decline in the quality of turf on putting greens. It was suggested that the black layer results from dissimilatory sulfate (SO42-) reduction. This study was done to determine if SO42- reduction occurs in an existing black layer. Radioactive 35SO42- was used to calculate the rate of SO42- reduction in intact soil cores taken from an existing black layer in a 'Penncross' creeping bentgrass (Agrostis palustris Huds. 'Penncross') putting green. When 10-3 M 35SO42- with a specific activity of 1.554 ^D#^DOE 105 Bq·mg1- SO42- was injected into a core it reduced to sulfide (35S2-) at a mean rate of 7.1 nmol sulfur (S)/cm3 soil/d. Injecting azide (N3-) or molybdate (MoO42-) at 10% w/v with the label reduced the rate of SO42- reduction to 0.03 and 0.01 nmol S/cm3 soil/d, respectively. The effect of N3- confirmed that reduction of SO42- was biological, while the effect of MoO42- Confirmed that the entities responsible for the reductive cycling were sulfate-reducing bacteria (SRBs). This was the first proof that biological reduction of SO42- produces S2- in a black layer from a creeping bentgrass putting green. It was concluded that the respiration of indigenous SRBs was linked to development of this black layer. Thus, a key to successfully controlling black layer in putting greens must involve regulating the respiratory activities of SRBs."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Berndt, W. L., and J. M. Jr. Vargas. 2006. Dissimilatory reduction of sulfate in black layer. HortScience. 41(3):p. 815-817.
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DOI: 10.21273/HORTSCI.41.3.815
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    Last checked: 11/19/2019
    Requires: PDF Reader
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MSU catalog number: SB 1 .H64
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