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Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/PDMR/reports/2011/T013.pdf Last checked: 11/11/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Report |
Author(s): | Kennelly, M.;
Thompson, C.;
Raudenbush, Z. |
Author Affiliation: | Department of Plant Pathology and Department of Horticulture, Forestry, and Recreation Resources, Kansas State University, Manhattan, KS |
Title: | Evaluation of fungicides and fungicide programs for control of dollar spot of creeping bentgrass in Kansas, 2010 |
Section: | Turfgrass Other records with the "Turfgrass" Section
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Source: | PDMR: Plant Disease Management Reports. Vol. 5, 2011, p. T013. |
Publishing Information: | St. Paul, MN: American Phytopathological Society |
# of Pages: | 2 |
Keywords: | TIC Keywords: Agrostis stolonifera; Disease control; Disease severity; Dollar spot; Fungicide evaluation; Fungicide programs; Golf greens
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Cultivar Names: | Penn A-4 |
Geographic Terms: | Kansas |
Abstract/Contents: | "Fungicides were evaluated on an established stand of e'A4'f creeping bentgrass on a sand-based putting green at the Rocky Ford Turf Research Center, Manhattan KS. The turf was mowed to a height of 0.156-in. and irrigated daily for 15 min. The area was fertilized biweekly with 0.25 lb nitrogen (N)/1000 ft2 during Mar through Jun and 0.16 lb N/1000 ft2 during Jul through Nov. Fungicide applications were made at 14- to 21-day intervals beginning 21 May, with the exception of the two Bayer Program treatments which included early season applications on 20 Apr. The final application for all treatments was on 24 Aug with the exception of the 21-day treatments which had final applications on 31 Aug. Fungicides were applied with a CO2-powered boom sprayer equipped with two XR Tee Jet 8004VS nozzles at 30 psi in water equivalent to 2.0 gal/1000 ft2. Plots were 4 ft X 5 ft and arranged in a randomized complete block design with four replications. Disease was assessed periodically by visually estimating the percentage of each plot affected by dollar spot symptoms. Dollar spot reached about 10% severity in the non-treated plots in mid to late Aug. Except for low levels of symptoms (<= 1.0% severity) in early June, the products and programs reduced dollar spot significantly compared to the non-treated control and resulted in complete suppression of symptoms. On 13 Aug the KSU program plots displayed a slight blue-gray color, typical of the phytotoxic effects caused by the application of DMI fungicides to greens-height bentgrass under stressful environmental conditions." |
Language: | English |
References: | 0 |
Note: | This item is as abstract and tables only! Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Kennelly, M., C. Thompson, and Z. Raudenbush. 2011. Evaluation of fungicides and fungicide programs for control of dollar spot of creeping bentgrass in Kansas, 2010. PDMR: Plant Dis. Manage. Rep. 5:p. T013. |
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