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| Publication Type:
| Report |
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| Author(s): | Clarke, B. B.;
Majumdar, P.;
Plumley, K. |
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| Author Affiliation: | Dept. of Plant Pathology, Cook College, Rutgers University New Brunswick, N.J. 08903 |
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| Title: | Evaluation of fungicides for the control of brown patch and an anthracnose/ brown patch complex, 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. 339-340. |
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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; Brown patch; Anthracnose; Fungicide evaluation
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| Cultivar Names: | Penncross |
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| Abstract/Contents: | "Fungicides were evaluated for their ability to control brown patch at the Rutgers Turf Research Farm in New Brunswick, NJ. A 'Penncross' bentgrass experimental green, established Sep 1986 on a Norton loam, was used for the study. Turf was maintained at a 0.19 in. cutting height. Nitrogen (N) was applied as 34-0-0 on 29 Apr. (1.0 lb actual N/1000 sq ft), as 34-0-0 on 10 May (0.5 lb actual N/1000 sq ft), as urea-formaldehyde on 13 Jun (0.5 lb actual N/1000 sq ft), and as 20-3-20 on 29 Jun and 26 Jul (0.5 lb actual N/1000 sq ft; each date). Turf was aerified with 0.38 in. x 3 in. hollow tynes (2.0 in. spacing) and was then topdressed with 0.125 in. of Fertile Soil on 17-18 May. Soil pH ranged from 6.5 to 6.7 over the test area. Plots were 3 ft x 9 ft and were arranged in a randomized complete block design with four replications. Turf was irrigated as needed to avoid drought stress. Weeds were controlled with 0.5 lb 2, 4-D + 0.25 lb. dicamba/A on 16 Nov 1993. Fungicides were applied on 28 Jun (all treatments), 14 Jul (14 day treatment only), 20 Jul (21 day treatment only), 25 Jul (14/28 day treatments) 11 Aug (14/21 day treatments), and 24 Aug (14/28 day treatments). Treatments were applied with a CO₂ compressed air sprayer, using TeeJet 8003E nozzles, adjusted to 30 psi, in water equivalent to 1.9 gal/1000 sq ft. Plots were artifically inoculated on 28 Jun with a five isolate mixture of R. solani grown on autoclaved oats to supplement natural infection. Treatments were visually evaluated for percent turf area infected with R. solani on 8 Jul and 14 Aug. Data were subjected to an arc-sin transformation prior to statistical analysis using an analysis of variance (ANOVA) and Duncan Multiple Range Test (DMRT). Ratings exceeding 10% of the turf area infected with R. solani would be considered an unacceptable level of disease control." More details are given. |
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| Language: | English |
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| References: | 0 |
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| Note: | Report #331
Table |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Clarke, B. B., P. Majumdar, and K. Plumley. 1995. Evaluation of fungicides for the control of brown patch and an anthracnose/ brown patch complex, 1994. Fungicide Nematicide Tests. 50:p. 339-340. |
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