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| Web URL(s): | https://www.dl.sciencesocieties.org/publications/cs/articles/41/4/1190
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https://www.dl.sciencesocieties.org/publications/cs/pdfs/41/4/1190
Last checked: 05/05/2017
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| Publication Type:
| Refereed |
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| Author(s): | Settle, Derek;
Fry, Jack;
Tisserat, Ned |
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| Author Affiliation: | Settle and Tisserat: Department of Plant Pathology, Kansas State; and Fry: Department of Horticulture, Forestry and Recreation Resources, Kansas State University, Manhattan, KS |
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| Title: | Dollar spot and brown patch fungicide management strategies in four creeping bentgrass cultivars |
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| Section: | Turfgrass science
Other records with the "Turfgrass science" Section
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| Source: | Crop Science. Vol. 41, No. 4, July/August 2001, p. 1190-1197. |
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| Publishing Information: | Madison, WI: Crop Science Society of America |
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| # of Pages: | 8 |
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| Keywords: | TIC Keywords: Dollar spot; Brown patch; Agrostis stolonifera; Cultivar evaluation; Disease resistance; Integrated Pest Management; Sclerotinia homoeocarpa; Rhizoctonia solani; Disease severity; Application rates; Application timing
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| Cultivar Names: | L-93; Penncross; Providence; Crenshaw |
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| Abstract/Contents: | "New creeping bentgrass (Agrostis palustris Huds.) cultivars should be thoroughly evaluated for disease resistance and fungicide application strategies for inclusion in integrated pest management plans. Our objectives were to evaluate dollar spot (Sclerotinia homoeocarpa F.T. Bennett) and brown patch (Rhizoctonia solani Ku^D"hn) severity, and turf quality of 'L-93', 'Penncross', 'Providence', and 'Crenshaw' creeping bentgrass managed using preventive, curative, and weather model-based fungicide application strategies. This field study was conducted on a sand-based putting green in Manhattan, KS, from 1997 through 1999. Nonfungicide-treated L-93 exhibited greatest resistance to dollar spot; Penncross and Providence were intermediate; and Crenshaw was most susceptible. Crenshaw exhibited greater brown patch susceptibility than other cultivars in 1998, but was similar to L-93 in 1999. Greater flexibility in imposing a disease control strategy was afforded by using a disease-resistant (i.e., L-93), rather than a disease-susceptible (i.e., Crenshaw) cultivar. Dollarspot was controlled in L-93 using preventive fungicide applications on 14- or 28-d intervals, preventive low-rate applications of chlorothalonil (tetracholoroisophthalonitrile, 3.5 kg a.i. ha-1) every 7 d, or a curative fungicide application when an increase in the disease was observed. In Crenshaw, only the 14-d preventive fungicide regime effectively controlled dollar spot. Considering all cultivars across the 3-yr period, fewer fungicide applications were made using a curative (n = 11-17) than a preventive (n = 30) strategy. The curative strategy was effective when dollar spot, but not when brown patch was the primary disease." |
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| Language: | English |
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| References: | 20 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Settle, D., J. Fry, and N. Tisserat. 2001. Dollar spot and brown patch fungicide management strategies in four creeping bentgrass cultivars. Crop Sci. 41(4):p. 1190-1197. |
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| Web URL(s):
https://www.dl.sciencesocieties.org/publications/cs/articles/41/4/1190
Last checked: 05/05/2017
Access conditions: Item is within a limited-access website
https://www.dl.sciencesocieties.org/publications/cs/pdfs/41/4/1190
Last checked: 05/05/2017
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: SB 183 .C7 |
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