Full TGIF Record # 62825
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Faust, M. B.; Christians, N. E.
Author Affiliation:Iowa State University
Title:The response of creeping bentgrass (Agostis [Agrostis] palustris Huds) to copper
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Salt Lake City, UT: October 31 - November 4, 1999
Source:1999 Annual Meeting Abstracts [ASA/CSSA/SSSA]. Vol. 91, 1999, p. 123.
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
# of Pages:1
Keywords:TIC Keywords: Agrostis stolonifera; Copper; Golf courses; Golf greens; Sand-based golf greens; Toxicity; Clipping weight; Root weight; Soil types; Comparisons; Calcareous soils; Silica sands; Growing media
Cultivar Names:Penncross
Abstract/Contents:"Sand-based golf course greens may contain high copper (Cu) concentrations. The objectives of this study were to determine the response of greenhouse-grown creeping bentgrass (Agrostis palustris Huds 'Penncross') to Cu treatments in rooting media that ranged from 0 to 600 mg·kg⁻¹, and to provide an estimate of potentially toxic plant-available Cu by use of the DTPA-TEA soil test. Calcareous and silica sands were mixed individually with dakota peat moss in a 9:1 (v/v) ratio. 'Penncross' sod plugs were placed on the top of pots containing the premixed sand-peat media, and allowed to grow for 12 weeks. The average dry weight of clippings for plants grown in silica sand decreased 16% as Cu treatments increased from control to 600 mg·kg⁻¹. At the 600 mg Cu·kg⁻¹ treatments, dry root mass was 56% and 48% lower than the control treatments for plants grown in silica and calcareous sand, respectively. The DTPA-TEA soil test extracted on average 19% more Cu over all treatments from the calcareous as compared to the silica sand medium; yet, plant roots contained an average 34% more when grown in silica sand. These results indicated that the DTPA-TEA soil test was not a good predictor of potentially toxic plant-available Cu in sand-based media and alternative soil tests should be investigated."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Faust, M. B., and N. E. Christians. 1999. The response of creeping bentgrass (Agostis [Agrostis] palustris Huds) to copper. Annu. Meet. Abstr. 91:p. 123.
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