Full TGIF Record # 55511
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Publication Type:
i
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Author(s):Clarke, B. B.; Majumdar, P. R.; Tredway, L. P.; Vaciunas, S. S.
Author Affiliation:Department of Plant Pathology, Rutgers University, New Brunswick, New Jersey
Title:Evaluation of fungicides for control of fusarium patch and yellow patch, 1996
Source:Fungicide and Nematicide Tests. Vol. 53, 1998, p. 439-440.
Publishing Information:St. Paul, MN: American Phytopathological Society
# of Pages:2
Keywords:TIC Keywords: Agrostis stolonifera; Microdochium nivale; Rhizoctonia cerealis; Disease control; Fungicides; Golf greens; Experimental products; Fluazinam; Cyproconazole; Tolclofos-methyl; Mancozeb; Iprodione; Chlorothalonil; Tank mix; Application rates; Azoxystrobin; Propiconazole; Fosetyl Al
Abstract/Contents:"Evaluation of fungicides for control of fusarium patch and yellow patch, 1996: Fungicides were evaluated for their ability to control Fusarium patch on two greens at the Peace Pipe Country Club in Denville, NJ. The test areas were mowed at a height of 0.156 in. seven times per week with clippings collected. The turf was irrigated to avoid drought stress. Fertilizer was applied as 18-5-10 on 10 Sep 1995 (1 lb N/1000 sq ft) and 15 Apr 1996 (0.5 lb N/1000 sq ft). Subdue 2E (2 fl oz/1000 sq ft) and Bayleton 25DF (2 oz/ 1000 sq ft) were applied on 3 Sep 1995 for preventative Pythium blight and dollar spot control, respectively. Plots were 3 ft x 9 ft and were arranged in a randomized complete block with four replications. Fungicides were applied with a CO₂ powered sprayer at 30 psi using TeeJet 8003E nozzles at the application volume indicated in the table or by hand using a shaker jar. All treatments (trt) were applied on 27 Nov 1995. On green #7, the number of fusarium patch and yellow patch infection centers per plot were assessed on 27 Mar 1996, whereas, only Fusarium patch was evaluated on green #2 on 27 Nov 1995 and 22 Mar 1996. Average patch diameters for Fusarium patch and yellow patch were 3 in. and 8 in., respectively. Data were subjected to analysis of variance and means separation by Duncan's New Multiple Range Test (p=0.05). Persistant snow cover from 1 Dec through 15 Mar resulted in a uniform incidence of both fusarium patch and yellow patch on green #7 and Fusarium patch on green #2. due to differences in microclimate, the severity of Fusarium patch was greated on green #2. Excellent control of Fusarium patch and yellow patch was provided by most treatments on Green #7. Complete control of yellow patch was provided by all treatments except WAC 70 2G (trt 3, 4), Alpha Block AG (trt 8), PMAS 10LC (trt 9), and Fore 4F (trt 12). On Green #2, Fusarium patch had already developed before the 27 Nov application date, however, no statistical differences were observed between treatments. Excellent control of Fusarium patch was provided by Scotts FF-II 15.4G (trt 21, 22), UBI 4121 10G (trt 25), UBI 1876.4F (trt 30-35), AMV-53 80WGD (trt 36. 37). tje 12/0 f; pz rate pf A
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Clarke, B. B., P. R. Majumdar, L. P. Tredway, and S. S. Vaciunas. 1998. Evaluation of fungicides for control of fusarium patch and yellow patch, 1996. Fungicide Nematicide Tests. 53:p. 439-440.
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