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| Web URL(s): | http://sturf.lib.msu.edu/article/2007apr16.pdf
Last checked: 12/16/2009
Requires: PDF Reader |
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| Publication Type:
| Professional |
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| Author(s): | Tredway, Lane;
Butler, Lee |
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| Author Affiliation: | Tredway: Assistant Professor and Extension Specialist; Butler: Extension Associate, Turf Diagnostics Laboratory, Department of Plant Pathology, North Carolina State University |
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| Title: | Combating spring dead spot |
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| Section: | Field science
Other records with the "Field science" Section
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| Source: | SportsTurf. Vol. 23, No. 4, April 2007, p. 16, 18, 20, 23-24. |
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| Publishing Information: | Chicago, IL: Bev-Al Communications (m2media360) |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Spring dead spot; Cynodon; Disease susceptibility; Hybrid bermudagrasses; Fertilization; Turf recovery; Injuries by diseases; Disease resistance; Aerification; Disease control
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| Abstract/Contents: | Discusses possible methods of controlling or eliminating spring dead spot in hybrid bermudagrasses. Explains that "hybrid bermudagrasses are excellent performers in athletic fields because of their uniformity, traction, and tolerance to heat and wear...Although resistant to most disease problems, bermudagrasses are highly susceptible to the fungal disease spring dead spot." Explains that "it is possible to manage spring dead spot, but effective management requires an integrated approach, as well as a lot of patience and persistence." Describes damage caused by spring dead spot, stating that "spring dead spot does its damage below ground...below-ground structure is very weak. Few rhizomes and roots are present, and the few that are there are black and rotten." States that a "unique feature of spring dead spot is that the pathogens, species of Ophiosphaerella, do not appear to kill the bermudagrass directly. Instead, they attack the bermudagrass roots, rhizomes, and stolons during the fall and winter and increase the bermudagrass' susceptibility to winterkill. This is why spring dead spot is always most severe after a cold winter." Details cultural and chemical methods that may be effective in controlling spring dead spot. Lists fungicides "labeled for spring dead spot control", including azoxystrobin (Heritage), fenarimol (Rubigan), myclobutanil (Eagle), propiconazole (Banner Maxx and others), and thiophanate-methyl (3336 and others)." Emphasizes that 'the timing and method of application has a huge impact on a fungicide's performance." Lists O. korrae, O. herpotricha, and O. namari. as the three Ophiosphaerella species known to cause spring dead spot. Concludes that "recovery rate in the spring should not be considered when selecting a product for spring dead spot control." |
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| Language: | English |
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| References: | 0 |
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| Note: | Pictures, color |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Tredway, L., and L. Butler. 2007. Combating spring dead spot. SportsTurf. 23(4):p. 16, 18, 20, 23-24. |
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| Web URL(s):
http://sturf.lib.msu.edu/article/2007apr16.pdf
Last checked: 12/16/2009
Requires: PDF Reader |
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MSU catalog number: b2472380a |
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