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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/PDMR/reports/2011/T021.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Report |
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| Author(s): | Jo, Y.;
Cho, J.;
Camerino, A.;
Wherley, B.;
Chandra, A. |
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| Author Affiliation: | Jo and Cho: Dept. of Plant Pathology & Microbiology, Texas A&M University, College Station; Camerino: Texas AgriLife Extension Service, Harris County Office, Houston; Wherley and Chandra: Texas AgriLife Urban Solutions Center, Dallas, TX |
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| Title: | Efficacy of fall and spring applications of fungicides for control of large patch on St. Augustinegrass in Texas, 2010 |
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| Section: | Turfgrass
Other records with the "Turfgrass" Section
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| Source: | PDMR: Plant Disease Management Reports. Vol. 5, 2011, p. T021. |
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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: Application timing; Disease control; Fungicide efficacy; Fungicide evaluation; Rhizoctonia blight; Stenotaphrum secundatum
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| Geographic Terms: | Texas |
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| Abstract/Contents: | "Fungicide efficacy was evaluated on St. Augustinegrass sod showing large patch symptoms. Field trials were conducted at the Texas AgriLife Research & Extension Urban Solutions Center in Dallas, TX for a fall application of fungicides and Murff Turf Sod Farm located in Crosby, TX for a spring application. The St. Augustinegrass cultivar established in Crosby was 'Palmetto' and the cultivar in Dallas was unknown. Individual plots measured 3 ft x 6 ft. Plots were arranged in a randomized complete block design with four replications. Individual treatments were applied at a pressure of 40 psi using a CO2-powered boom sprayer equipped with two Teejet 8002 nozzles. All fungicides were agitated by hand and applied at the equivalent of 2 gal of dilute fungicide per 1000 sq ft. A fungicide application was performed before winter dormancy on 5 Nov 2009 on the plots in Dallas. A fungicide application on the plots in Crosby was performed on 17 Feb 2010, when the turfgrass was still in dormancy. Percent diseased area was measured at the beginning of experiment and continuously until April, 2010. Data obtained were subjected to an analysis of variance (ANOVA) and mean comparisons were performed using Fisher's Protected LSD (alpha = 0.05). Spring green-up began and disease symptoms became distinct on St. Augustinegrass in early April at the Dallas location. Large patch symptoms were reduced in the spring following fall applications of Disarm (low rate), ProStar, Triton (high rate), Trinity, Insignia, and Headway (high rate). The St. Augustinegrass evaluation in Crosby was highly symptomatic (about 50%) with large patch in the fall, 2009. Large patch symptoms appeared at this location in March. There was no significant improvement with the spring application of any fungicides compared with the non-treated control." |
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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):
Jo, Y., J. Cho, A. Camerino, B. Wherley, and A. Chandra. 2011. Efficacy of fall and spring applications of fungicides for control of large patch on St. Augustinegrass in Texas, 2010. PDMR: Plant Dis. Manage. Rep. 5:p. T021. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/pub/trial/PDMR/reports/2011/T021.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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