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| Web URL(s): | http://www.newss.org/proceedings/proceedings_2010.pdf#page=40
Last checked: 07/22/2013
Requires: PDF Reader
Notes: Item is within a singel large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Cutulle, M.;
Derr, J. |
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| Author Affiliation: | Virginia Tech, Virginia Beach, VA |
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| Title: | Dynamics of weed and disease encroachment in tall fescue as impacted by mowing height and fertility practices |
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| Meeting Info.: | Cambridge, MA: January 4-7, 2010 |
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| Source: | Proceedings: 64th Annual Meeting of the NortheasternWeed Science Society. Vol. 64, 2010, p. 24. |
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| Publishing Information: | Ithaca, NY: Northeastern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Cynodon dactylon; Disease incidence; Disease severity; Fertilization program; Festuca arundinacea; Herbicide application; Mowing height; Rhizoctonia solani; Turfgrass profile; Weed profile
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| Abstract/Contents: | "Tall Fescue [ Schedonorus phoenix (Scop.) Holub ] is a commonly- utilized turfgrass in the temperate and transition zone areas of the United States. It establishes quickly, requires moderate amounts of nitrogen, and is resistant to most diseases. However, during hot humid summers, tall fescue is under stress and is susceptible to Rhizotonia solani infestations. This disease, referred to as brown patch, causes turf thinning, leading to encroachment from weeds such as bermudagrass [Cynodon dactyon (L.) Pers). Cultural practices such as fertility and mowing height may impact brown patch disease severity in tall fescue. Improved brown patch control may result in increased tall fescue density, thus reducing weed infestations. Two mowing heights (5 and 10 cm), 3 levels of fertility (49, 171, and 220 kg of nitrogen annually per hectare), and spring preemergence herbicide application (oxadiazon or no herbicide applied) were evaluated in an established stand of 'RTF' tall fescue. Three plugs of common bermudagrass were planted in each plot in May 2008. Data collected monthly included weed composition and density, bermudagrass diameter, brown patch severity, and turf quality. The experiment was repeated in May of 2009. Mowing height had a significant effect on bermudagrass diameter in June, July, and August, in year one and year two. In July 2008 a higher mowing height resulted in 17 cm bermudagrass diameter when averaged across all fertility treatments, which was significantly less than the 27 cm bermudagrass diameter averaged across fertility treatments that resulted when the plots were mowed at the low mowing height. Fertility did not have an effect on bermudagrass diameter. In July and August, southern crabgrass [Digitaria ciliaris (Retz.) Koel.] density was much higher in the 5 cm mowing height plots. Tall fescue cover was significantly reduced in the 5 cm mowing treatment due to weed competition but was acceptable at the 10 cm height. Higher fertility resulted in increased brown patch severity, with the higher mowing height/highest fertility combination having 16% brown patch cover, which was significantly greater than the other treatment combinations. However, the plots recovered when weather was cooler and drier. The same trends were observed in both years. However, there was greater incidence of brown patch in year two due to the increased precipitation." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Cutulle, M., and J. Derr. 2010. Dynamics of weed and disease encroachment in tall fescue as impacted by mowing height and fertility practices. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 64:p. 24. |
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| Web URL(s):
http://www.newss.org/proceedings/proceedings_2010.pdf#page=40
Last checked: 07/22/2013
Requires: PDF Reader
Notes: Item is within a singel large file |
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MSU catalog number: SB 610 .N62 v. 60 |
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