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| Web URL(s): | http://www.bioone.org/doi/pdf/10.1614/WS-04-089R.1
Last checked: 03/16/2010
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| Publication Type:
| Refereed |
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| Author(s): | McElroy, J. Scott;
Yelverton, Fred H.;
Burton, Michael G.;
Brownie, Cavell |
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| Author Affiliation: | McElroy: Plant Science Department, University of Tennessee, Knoxville, Tennessee; Yelverton & Burton: Crop Science Department, North Carolina State University, Raleigh, North Carolina; and Brownie: Department of Statistics, North Carolina State University, Raleigh, North Carolina |
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| Title: | Habitat delineation of green and false-green kyllinga in turfgrass systems and interrelationship of elevation and edaphic factors |
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| Section: | Weed biology and ecology
Other records with the "Weed biology and ecology" Section
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| Source: | Weed Science. Vol. 53, No. 5, September/October 2005, p. 620-630. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America |
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| # of Pages: | 11 |
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| Keywords: | TIC Keywords: Kyllinga brevifolia; Kyllinga gracillima; Agrostis; Habitats; Ecology; Volumetric water content; Weeds; Environmental factors; Topography; Edaphic factors; Soil moisture; pH
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| Abstract/Contents: | "Knowledge of the influence of environmental factors on weed populations is important in developing sustainable turfgrass management practices. Studies were conducted to evaluate the relationship of green and false-green kyllinga population densities with elevation and edaphic factors in turfgrass systems. Studies were conducted on five different golf courses in North Carolina, three affected by green kyllinga, and two affected by false-green kyllinga. According to Spearman correlation coefficients, both green and false-green kyllinga were correlated with increasing soil volumetric water content, whereas correlation of other edaphic variables varied among sites and species. Stepwise logistic regression confirmed the correlation of volumetric water with gree kyllinga presence, but model components varied among sites for false-green kyllinga. Increasing green kyllinga populations correlated with increasing soil sodium; however, sodium did not reach a level believed to be detrimental to turfgrass growth. No other variables correlated with green or false-green kyllinga across all sites. We hypothesized that the lack of significant correlations was due to the overall influence of relative elevation on edaphic variables. According to the principal components analysis (PCA), relative elevation had a profound impact on the measured edaphic variables at all sites. However, results of PCA at one site differed sharply from other sites. Results from that site demonstrate the potentially strong effects of management practices to alter edaphic trends normally observed with topography." |
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| Language: | English |
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| References: | 34 |
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| Note: | Figures
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McElroy, J. S., F. H. Yelverton, Michael G. Burton, and Cavell Brownie. 2005. Habitat delineation of green and false-green kyllinga in turfgrass systems and interrelationship of elevation and edaphic factors. Weed Sci. 53(5):p. 620-630. |
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| Web URL(s):
http://www.bioone.org/doi/pdf/10.1614/WS-04-089R.1
Last checked: 03/16/2010
Requires: PDF Reader
Access conditions: Item is within a limited access website |
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MSU catalog number: SB 610 .W38 |
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