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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2007/T012.pdf
Last checked: 11/14/2016
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Kaminski, J. E.;
Keneally, M. G. |
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| Author Affiliation: | Department of Plant Science, University of Connecticut, Storrs, Connecticut |
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| Title: | Preventive control of anthracnose basal rot on an annual bluegrass putting green, 2006 |
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| Source: | PDMR: Plant Disease Management Reports. Vol. 1, 2007, p. T012. |
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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: Preventive control; Anthracnose basal rot; Poa annua; Golf greens; Disease severity; Fungicide trials
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| Abstract/Contents: | "Fungicides were evaluated for their ability to preventively control anthracnose on an annual bluegrass putting green. This field study was conducted Burning Tree Country Club located in Greenwich, CT. The putting green turf consisted primarily of annual bluegrass (Poa annua). The study site had a history of anthracnose and the disease was allowed to naturally develop. Treatments were applied at various timings and intervals and are listed in the data tables. In general, most treatments were applied beginning on 11 May and reapplied on either 14- or 28-day intervals. There were no visible anthracnose symptoms at the time of application and no other chemical controls were applied to the area for the duration of study. All treatments were applied with a CO2-pressurized (35 psi) sprayer equipped with a flat-fan nozzle (8010E), and calibrated to deliver 2.5 gal water per 1000 ft2. Plots measured 5 ft x 5 ft, and were arranged as a completely randomized design with three replications. Percent anthracnose was rated visually on a 0 to 100 percent scale where 0 = no visible anthracnose symptoms and 100 = entire plot area discolored by C. Cereale. Anthracnose symptoms developed between 13 and 20 Jul. On 20 Jul, the greatest percent plot area affected by anthracnose was within plots treated with Insignia (9.7%). There were no differences, however, among plots treated with Insignia, 3336 Plus and the untreated control at this time. No disease symptoms were observed within plots treated with AS SP10200004941 (1.5 and 2.0 fl oz) or AS SP10200004941 + Chipco Signature on 20 Jul. Within three weeks of the appearance of initial disease symptoms, anthracnose became severe and as much as 44% disease was observed within plots on 3 August. At this time, excellent disease suppression (d#<= 5.0%) was observed within plots treated with Medallion + Signature, AS SP10200004941 (all rates), AS SP10200004941 + Chipco Signature, AEF069623 00 SC22 A1, Manicure Ultra (all rates), and the Syngenta Program. Although not considered commercially acceptable, plots treated with Insignia + Propiconazole, Insignia + Alude, 3336 Plus + Alude, 3336 Plus + CL-EXP-11, CL-EXP-11, Spectator + Manicure Ultra (28- day interval), and Alude + Revolution provided moderate levels of disease suppression when compared to the untreated control on 3 August. On the final rating date (17 Aug), plots treated with AS SP10200004941 (all rates), AS SP10200004941 + Chipco Signature, Manicure Ultra (all rates), and the Program provided acceptable or near acceptable anthracnose suppression. Statistically similar levels of disease suppression were also observed within plots treated with Medallion + Signature, CL-EXP-9 (all rates), and Spectator Ultra + Manicure Ultra on 17 Aug. Moderate to poor anthracnose control was afforded by all other treatments on the final rating date." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is as abstract and tables only!
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kaminski, J. E., and M. G. Keneally. 2007. Preventive control of anthracnose basal rot on an annual bluegrass putting green, 2006. PDMR: Plant Dis. Manage. Rep. 1:p. T012. |
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| Web URL(s):
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Last checked: 11/14/2016
Requires: PDF Reader |
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