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| Publication Type:
| Report |
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| Author(s): | Callcott, A. M.;
Collins, H. L. |
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| Author Affiliation: | U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Imported Fire Ant Station, 3505 25th Avenue, Bldg. 16, Gulfport, MS 39501 |
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| Title: | RIFA quarantine treatments in commercial grass sod, 1993 |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 20, 1995, p. 304. |
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| Publishing Information: | Annapolis, MD: Entomological Society of America |
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| # of Pages: | 1 |
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| Abstract/Contents: | "The only RIFA quarantine treatment labelled for use on grass sod is Pageantā¢ DF applied at 8.0 lb (AI)/acre. Candidate treatments were applied to nonproduction fields of common St. Augustine grass at 3 sites in 1993. Plots at Murff Turf Farms, Crosby, TX were treated on 26 May under extremely wet conditions; Pearl River Valley Turf, Wiggins, MS on 3 Jun under hot dry conditions; and Woerner Turf, Elberta, AL on 7 Jul under hot dry conditions. The Elberta, AL site received routine irrigation after treatment, but neither of the other sites were irrigated. Plots were 1 acre arranged in a CRD with 3 replicates per treatment at each site. Granular formulations were applied with a Herd GT-77ā¢ granular applicator mounted on a Suzuki LT4 all-terrain vehicle (ATV). Sprays were applied with a shop built boom sprayer comprised of 5 TSS-4 spray tips spaced 36" apart and overlapped by 5 TSS-3 spray tips. Both pumps and both booms were operated at 20 psi and the system was towed behind an ATV at 4 mph, providing a delivery rate of 32 gal/acre. RIFA population assessments were made in Ā¼ acre circular subplots in the center of each treatment plot immediately prior to, and at 6 wk intervals after treatment using a population indexing system (Lofgren and Williams, 1982. J. Econ. Entomol. 75:798-803). Data were analyzed for treatment differences using ANOVA and Tukey's test. Exceptionally high mortality was experienced in untreated check plots at all sites, especially at the Crosby, TX site. This apparent check mortality may have been weather related. More than 18" of rainfall occurred between the treatment date and the first after treatment evaluation at Crosby, TX. During the next 12 wks, conditions were extremely hot and dry at all sites. However, all candidate treatments significantly reduced RIFA populations below that of the corresponding untreated check at all sites at 7 wk after treatment and high rates of all products maintained significant reductions at 12, 18 and 24 wk after treatment. Results with suSConĀ® Green applied at 4.0 lb (AI)/acre were numerically superior to other treatments, and Empireā¢ 20 (3.4 lb [AI]/acre), Pageantā¢ DF (6.0 lb [AI]/acre), and TalstarĀ® 0.2G (0.5 lb [AI]/acre) also show excellent promise for RIFA quarantine treatments for grass sod. No phytotoxicity was observed with any treatment." |
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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):
Callcott, A. M., and H. L. Collins. 1995. RIFA quarantine treatments in commercial grass sod, 1993. Arthropod Manage. Tests. 20:p. 304. |
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