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| Publication Type:
| Report |
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| Author(s): | Settle, D.;
Fry, J.;
Tisserat, N. |
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| Author Affiliation: | Department of Horticulture, Forestry and Recreation Resources, Department of Plant Pathology, Kansas State University, Manhattan, KS |
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| Title: | Preventive fungicide applications for control of brown patch and dollar spot on creeping bentgrass, 1998. |
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| Source: | Fungicide and Nematicide Tests. Vol. 54, 1999, p. 496. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Dollar spot; Sclerotinia homoeocarpa; Preventive control; Disease control; Brown patch; Rhizoctonia solani; Fungicide evaluation; Disease severity; Application rates; Application frequency; Tank mix
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| Cultivar Names: | Cohansey |
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| Abstract/Contents: | "Fungicides were evaluated on an established stand of 'Cohansey' bentgrass on a sand-based putting green at the Rocky Ford Turf Research Center, Manhattan, KS. The turf was mowed at 0.16 in, irrigated as needed and fertilized with 4 lb N/1000 ft² annually. Applications were made at 2 wk or 3 wk intervals beginning 22 May and continued through 28 Aug. Fungicides were applied with a CO₂-powered backpack sprayer with 8003 TeeJet nozzles at 30 psi in water equivalent to 2.7 gal/1000 ft². Plots were not irrigated after applications. Plots were 5 ft x 6 ft and arranged in a randomized complete-block design with three replications. Plots were rated weekly for the number of dollar spots and the percentage plot area damaged by brown patch. Both brown patch and dollar spot were severe on the bent grass from late Jul through early Aug. In general, most fungicides except CGA 279202 and Confidential A significantly reduced dollar spot severity. However, only Confidential B gave consistently acceptable levels of dollar control (<10 spots/plot) throughout the testing period. Applications of Aliette Signature + Daconil Ultrex, Confidential A, Confidential B, and CGA 279202 consistently reduced brown patch severity. Overall, applications of Confidential B at 14 or 21 day intervals resulted in the greatest suppression of both diseases." |
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| Language: | English |
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| References: | 0 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Settle, D., J. Fry, and N. Tisserat. 1999. Preventive fungicide applications for control of brown patch and dollar spot on creeping bentgrass, 1998.. Fungicide Nematicide Tests. 54:p. 496. |
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