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DOI: | 10.1094/PHYTO-103-6-S2.1 |
Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-103-6-S2.1#page=112 Last checked: 06/03/2013 Requires: PDF Reader Notes: Item is within a single large file |
Publication Type:
| Report |
Content Type: | Abstract or Summary only |
Author(s): | Payne, A.;
Walker, N.;
Smith, D. |
Author Affiliation: | Payne and Walker: Oklahoma State University, Stillwater, OK; Smith: University of Wisconsin, Madison, WI |
Title: | Evaluation of fertility and fungicide programs on foliar diseases of bermudagrass (Cynodon dactylon) |
Section: | 2013 APS-MSA Joint Meeting abstracts of presentations Other records with the "2013 APS-MSA Joint Meeting abstracts of presentations" Section
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Meeting Info.: | Austin, Texas: August 10-14, 2013 |
Source: | Phytopathology. Vol. 103, No. 6S, June supplement 2013, p. S2.112. |
Publishing Information: | St. Paul, Minnesota: American Phytopathological Society |
# of Pages: | 1 |
Keywords: | TIC Keywords: Bipolaris; Cultivar evaluation; Cynodon dactylon; Disease control; Disease severity; Dollar spot; Fertilization; Fungicide efficacy; Leaf spot; Nitrogen; Potassium; Sclerotinia homoeocarpa
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Cultivar Names: | Patriot; U-3 |
Abstract/Contents: | "Leaf spot (LS), caused by Bipolaris spp., and dollar spot (DS), caused by Sclerotinia homoeocarpa, are of major concern to the turfgrass industry. One method of managing LS and DS is with fungicides; however, little is known about the influence of fertility inputs on these diseases. Five rates of nitrogen (N), 4 rates of potassium (K), and 3 disease control programs (conventional fungicide (CP), plant activated resistance mineral oil (PAR), and non-treated control) were evaluated across 2 cultivars (Patriot and U-3) in a split-split-split experimental design. Three and 12 applications were made for the CP and PAR programs, respectively. Nitrogen was applied every 14-d and K was applied every 28-d, both beginning in May. Disease severity and visual quality were assessed every 14-d from green-up. Disease severity was low during the study period. On 11 May 2012, LS was significantly (P<0.05) higher for treatments of N at 0.0 and 73.2 kg ha-1 compared to N at 146.5, 220.0, and 293.0 kg ha-1. The CP fungicide program resulted in less disease than PAR, which had significantly (P<0.05) less disease than non-treated control programs. Potassium at 0.0, 48.8, and 97.7 kg ha-1 resulted in significantly (P<0.05) less disease than K at 146.5 kg ha-1. For DS, CP and PAR programs were not different from each other and resulted in significantly (P<0.05) less disease than the control. These results imply fertility rates may influence foliar diseases of bermudagrass." |
Language: | English |
References: | 0 |
Note: | This item is an abstract only! |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Payne, A., N. Walker, and D. Smith. 2013. Evaluation of fertility and fungicide programs on foliar diseases of bermudagrass (Cynodon dactylon). Phytopathology. 103(6S):p. S2.112. |
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| DOI: 10.1094/PHYTO-103-6-S2.1 |
| Web URL(s): http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO-103-6-S2.1#page=112 Last checked: 06/03/2013 Requires: PDF Reader Notes: Item is within a single large file |
| MSU catalog number: b2219736a |
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