Full TGIF Record # 155267
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Web URL(s):http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t48.asp
    Last checked: 07/10/2013
    Access conditions: Item is within a limited-access website
    Notes: Report Summary
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T048.pdf
    Last checked: 11/11/2016
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    Access conditions: Item is within a limited-access website
Publication Type:
i
Report
Author(s):Uddin, W.; Benelli, J.
Author Affiliation:Department of Plant Pathology, The Pennsylvania State University, University Park, Pennsylvania
Title:Management of anthracnose on a putting green with fungicides, 2008
Source:PDMR: Plant Disease Management Reports. Vol. 3, 2009, p. T048 [1]-T048 [2].
Publishing Information:St. Paul, MN: American Phytopathological Society
# of Pages:2
Keywords:TIC Keywords: Agrostis stolonifera; Anthracnose; Anthracnose basal rot; Colletotrichum graminicola; Disease control; Fungicide efficacy; Fungicide evaluation; Poa annua
Cultivar Names:Penncross
Abstract/Contents:"The study was conducted at the Valentine Turfgrass Research Center, University Park, PA, on a mixed stand of annual bluegrass and creeping bentgrass. The site was maintained as a golf course green, mowed six times per week at 0.125- in. cutting height. The soil was a modified sandy clay loam with a pH of 7.0. The experiment was not fertilized prior to or during the course of the experiment. Fungicides were applied with a CO2-powered sprayer, using a TeeJet 11008E nozzle at 40 psi, in water equivalent to 2 gal per 1,000 sq ft. Treatment applications were made on 28 May, 4, 11, 18, and 25 Jun, 2, 9, 16, 23, and 30 Jul, and 5, 13, and 20 Aug for the 7-day interval; on 28 May, 11 and 25 Jun, 9 and 23 Jul, and 5 and 20 Aug for the 14-day interval; and on 28 May, 25 Jun, 23 Jul, and 20 Aug for the 28-day interval. Treatment plots, 3 ft x 6 ft, were arranged in a randomized complete block design with three replications per treatment. Urea (0.25 lb nitrogen) was applied to experimental turf area on 25 April. Additionally, the turf area was treated with Trimec (1 fl oz/1,000 sq ft) on 27 May to control weeds. Anthracnose was not active during the summer in 2008 at the site; therefore, the experimental area was inoculated once with Colletotrichum cereale (2.5 x 104 conidia/ml aqueous suspension) on 4 Aug. Disease severity was assessed on 13 and 22 Aug, and 1 Sep using a 0 to 10 index (0=turf asymptomatic; 10=>90% turf area symptomatic). Anthracnose basal rot on only the annual bluegrass was evaluated, as the bentgrass was asymptomatic. Data were subjected to analysis of variance and multiple comparisons of the mean values were made using the Waller-Duncan k-ratio test. Anthracnose basal rot development in the creeping bentgrass-Poa turf area was low to moderate during the summer in 2008. Disease severity increased following inoculation on 4 Aug, it was moderately high in the experimental turf area. The first disease assessment showed several fungicides provided significant suppression of the disease; at this time, a disease severity rating of 3.3 was noted in the untreated control plots. In the first assessment, no anthracnose basal rot was evident in the plots treated with Insignia (0.9 oz), alternated with Trinity (1 fl oz) on 14-day interval. Traces of anthracnose (index 0.3 to 0.7) developed in plots treated with the mixture of Alude (6 fl oz) and Endorse (4 oz) alternated with the mixture of Alude (6 fl oz) and Spectro (4 oz), Trinity alone (1 oz) and Trinity (2 fl oz) alternated with Primo (0.125 fl oz), Insignia (0.9 oz) tank-mixed with Ecoguard (20 fl oz), Chipco Triton FLO at various rates (0.55 to 1.1 fl oz), and the mixture of Chipco Triton FLO (0.4 fl oz) and Signature (4 oz) alternated with the mixture of Daconil Ultrex (3.2 oz) and Chipco Signature (4 oz) on 14-day intervals. Most of these treatments provided satisfactory control during the course of the experiment. No phytotoxicity was observed in any of the treatment plots during the course of the experiment."
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Uddin, W., and J. Benelli. 2009. Management of anthracnose on a putting green with fungicides, 2008. PDMR: Plant Dis. Manage. Rep. 3:p. T048 [1]-T048 [2].
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Web URL(s):
http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t48.asp
    Last checked: 07/10/2013
    Access conditions: Item is within a limited-access website
    Notes: Report Summary
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T048.pdf
    Last checked: 11/11/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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