Full TGIF Record # 42372
Item 1 of 1
Publication Type:
i
Report
Author(s):Reinert, James A.; Maranz, Steven J.
Author Affiliation:Texas A&M University Research & Extension Center
Title:Synthetic pyrethroid dusts evaluated for individual mound control of red imported fire ant in residential landscapes, 1995
Section:Ornamentals
Other records with the "Ornamentals" Section
Source:Arthropod Management Tests. Vol. 21, 1996, p. 367-368.
Publishing Information:Annapolis, MD: Entomological Society of America
# of Pages:2
Abstract/Contents:"Dust formulations of two synthetic pyrethroid were applied to individual mounds of RIFA in residential turf on 13 Nov, 1995 in Dallas, TX. Material was applied with a hand held shaker evenly over the mound or to the mound and including a 6 inch perimeter area around the mound. Mounds treated with either Tempo or Orthene that were still active at the 1-wk rating, were retreated at their initial rates. Orthene 75%S was used as the standard control and both a water check (1 gal of water sprinkled over each mound) and an untreated check were included. All treatments were replicated on 12 isolated mounds. Mound activity was assessed the day before treatments and 3-d, 1-wk, and 2-wk posttreatment ratings were taken. Mound activity was determined by stomping hard (4-5 times) on the soil or turf ca 1 ft from the mound in a circle around each mound. For the final rating at 2 wk, each colony was also excavated to a depth of ca. 8 inches with a small shovel to determine mound acticity. If no live ants were found, the colony was considered dead. The percentage mortality provided by each chemical treatment was determined and the means were separated using exact confidence intervals calculated from binomial distribution (Steel & Torrie. 1960. Principles and Procedures of Statistics. McGraw-Hill Book Co., Inc.). All treatments provided increasingly better control in time, the chemical treatments were all significantly better than the checks, and each provided better than 90% control within 2 wk of treatment. The highest rate of both Tempo and Deltamethrin stimulated significant RIFA colony entrance relocation within 4 inches to 2 ft from the treated area. This trend indicating that a lower rate may be better for the individual mound treatment practice, however most of the relocated colonies were dead at the 2-wk rating. Cooler day and night time temperatures may have slowed chemical activity as compared to higher temperature during the summer."
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Reinert, J. A., and S. J. Maranz. 1996. Synthetic pyrethroid dusts evaluated for individual mound control of red imported fire ant in residential landscapes, 1995. Arthropod Manage. Tests. 21:p. 367-368.
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