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| Publication Type:
| Report |
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| Author(s): | Grogan, J. E.;
Scott, D. H. |
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| Author Affiliation: | Dept. of Botany and Plant Pathology, Purdue University, West Lafayette, Indiana 47907-1155 |
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| Title: | Evaluation of fungicides for preventative control of brown patch in creeping bentgrass, 1994 |
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| Section: | Turf Grass Reports
Other records with the "Turf Grass Reports" Section
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| Source: | Fungicide and Nematicide Tests. Vol. 50, 1995, p. 332. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Fungicides; Disease control; Brown patch; Agrostis stolonifera; Phytotoxicity
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| Abstract/Contents: | "Fungicide treatments were evaluated on an experimental green at the Agronomy Research Center, Purdue University. The turf area received conventional golf course care and was maintained a height of 0.25 in. Treatments were applied to 3.3 x 6.6 ft plots arranged in a randomized complete block design with 4 replications. The test area was fertilized with 2 lb N/1000 ft² per year. Soil was Chalmers silt loam with pH of 7.1 and 4.7% OM. A single application of each fungicide treatment was applied with hand held CO₂-pressurized sprayer with 11003 LP flat fan nozzles at 22 psi and at a rate of 2 gal/1000 sq ft. Fungicide application of each treatment was made on either 17 or 25 Jun or 1 Jul. Cultures of R. Solani were grown on sterile white sorghum grain in Erlenmeyer flasks for 14 days. Inoculations were made by placing 5 infested sorghum grains into the upper thatch layer of each plot with a hand-jab planter on 15 Jul. All plots were covered with a plastic tent stretched over wire hoops each evening and uncovered in the morning for five successive nights after inoculation. Brown patch data were taken on 22 and 29 Jul. Temperatures were above normal in the periods of mid-Jun to early Jul. Disease development was determined by measuring extent of growth of each patch 7 and 14 days after inoculation. Six treatments on 22 Jul and 24 treatments on 28 Jul suppressed brown patch development significantly (P=0.05) below the control. Several treatments were more effective at two weeks after the inculcation than at one week. It is likely the environment in the tents, which was very conducive to disease development, limited the effectiveness of some treatments in the first week. No phytotoxicity was observed." |
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| Language: | English |
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| References: | 0 |
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| Note: | Report #323
Table |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Grogan, J. E., and D. H. Scott. 1995. Evaluation of fungicides for preventative control of brown patch in creeping bentgrass, 1994. Fungicide Nematicide Tests. 50:p. 332. |
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