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| Publication Type:
| Report |
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| Author(s): | Tredway, L. P.;
Clarke, B. B.;
Majumdar, P. R. |
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| Author Affiliation: | Department of Plant Pathology, Rutgers University, New Brunswick, New Jersey |
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| Title: | Evaluation of fungicides for control of brown patch on tall fescue, 1997 |
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| Source: | Fungicide and Nematicide Tests. Vol. 53, 1998, p. 469. |
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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: Festuca arundinacea; Rhizoctonia solani; Fungicides; Disease control; Experimental products; Application rates; Myclobutanil
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| Abstract/Contents: | "Evaluation of fungicides for control of brown patch on tall fescue, 1997: Fungicides were evaluated for their ability to control brown patchon tall fescue at the Plant Science Research Farm in Adelphia, NJ. The turf was established Sep 1991 on a Freehold sandy loam with a pH of 6.4. The test area was mowed at a height of 2.0 in. twice per week with no clipping collection. Irrigation was applied to avoid drought stress. Fertilizer was applied as 15-0-0 on 18 Mar (0.5 lb N/1000 sq ft), 2 Jun (0.75 lb N/1000 sq ft), 7 Jul (0.75 lb N/1000 sq ft), and 4 Aug (1.0 lb N/1000 sq ft). Dacthal 6F (5 fl oz/1000 sq ft) was applied on 16 Apr for preemergence weed control. Plots were 3 ft x 9 ft and were arranged in a randomized complete block with four replications. Fungicides were applied in water equivalent to 2 gal per 1000 sq ft with a CO₂-powered sprayer at 30 psi using TeeJet 8003E nozzles. Treatments (trt) 1-6 were `nitiated on 10 Jun, whereas all other treatments were intiated on 2 Jul. Fungicides were reapplied at the appropriate intervals as indicated in the table. Percent turf area infected with R. solani was assessed on 15 Jul, 26 Jul, 30 Jul, 14 Aug, and 20 Aug. Data were subjected to analysis of variance and means separation by Waller-Duncan k-ratio t test (k=100) following arcsine transformation. Brown patch development was first observed on 2 Jul. Disease pressure was low to moderate through Jul and early Aug but intensified toward the end of Aug. All treatments provided some degree of brown patch suppression on each rating date. Good control was provided throughout the season by Eagle 40W (trt 9, 10), RH0753 23%SC (trt 6), BWC 011 01F 2.1E (trt 12, 13), BWC 012 03F 90WG (trt14), BWC 012 01F 4.17SC (trt 15, 16, 17), and the 0.74 fl oz rate of BWC 014 02F 2SC (trt 19). Moderate to fair control was provided by Junction 45DF (trt 21, 22) and RH0753 23%SC (trt 4, 5, 7, 8)." |
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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):
Tredway, L. P., B. B. Clarke, and P. R. Majumdar. 1998. Evaluation of fungicides for control of brown patch on tall fescue, 1997. Fungicide Nematicide Tests. 53:p. 469. |
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