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| Web URL(s): | https://academic.oup.com/amt/article/23/1/325/4640889
Last checked: 07/17/2019
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Notes: Item is within a single large file; guide page |
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| Publication Type:
| Report |
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| Author(s): | Reinert, James A. |
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| Author Affiliation: | Texas A&M University, Res. & Ext. Center, Dallas, TX |
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| Title: | Broadcast treatment of granular insecticides for control of the red imported fire ant in urban landscapes, 1996 |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 23, 1998, p. 325-326. |
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| Publishing Information: | Annapolis, MD: Entomological Society of America |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Cynodon dactylon; Bouteloua dactyloides; Solenopsis invicta; Pest control; Insect control; Broadcast treatment; Ant control; Insecticides; Insecticide evaluation; Granules; Bifenthrin; Chlorpyrifos; Diazinon; Pest density; Application rates
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| Abstract/Contents: | "Late summer broadcast applications were applied on 7 Aug. 1996 in Collin Co., TX. Granular formulations of bifenthrin included Talstar, were compared with Dursban, diazinon and an untreated check. Treatments were applied with a walk-behind drop spreader to plots (500-700 ft²), each with 5 to 10 (mean=8) active colonies. Plots were delineated with white turf marking paint; each colony was identified by numbers painted on the turf near the mound. Pre-treatment foraging activity was assayed by placing three 8-dram shell vial traps, baited with hot dog chips, near the center of each plot and no closer than 3 ft from an active colony. Vials were collected and RIFA foragers counted after 30 min exposure. Plots were divided into 4 reps based upon pre-treatment foraging numbers. RIFA foraging activity was assessed 2 d before treatments, and 1 d, 3 d, and at 1, 2, 4, and 6 wk after treatment. Mound mortaility was determined at 1, 2, 4, and 6 wk after treatment by stomping hard (4-5 times) on the soil or turf in a 1-ft circle around each mound. Upon disturbance, an active mound would yield many active workers. For the ratings at 4 and 6 wk, a hot dog chip was dropped upon the mound and observed 20-30 min later. If the cology was active, workers were foraging the piece of hot dog within this time period. All treatments except the lowest rates for both Talstar and bifenthrin provided control of greater tha 60% at 1 wk. Many of the colonies showed some recovery by 2 wk. All treatments of bifenthrin including Talstar provided increasingly better control in time, with the highest rate of bifenthrin providing 92.9% control and the higher rate of Talstar providing 100% control at 6 wk. For each bifentrhin formulation, control increased as rate increased. All chemical treatments were significantly better than the untreated check at 6 wk. Also, Dursban, diazinon, and the high rate of bifenthrin each reduced foraging activity to zero by 1 DAT. Foraging was reduced to zero by 3 DDAT for Talstar. high foraging activity reoccurred for diazinon by 4 wk, while only low numbers were detected in the Dursban plots at 6 wk. However, at 6 wk, no significant difference in the foraging activity was recorded for plots treated with Dursban and the highest rate of Talstar and bifenthrin, but each was significantly lower than the mean for the diazinon treated plots. By 6 wk, all treatment means except the low rate for Talstar produced significantly lower foraging that [than] the untreated check plots. No phytotoxicity was observed due to any of the treatments." |
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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):
Reinert, J. A. 1998. Broadcast treatment of granular insecticides for control of the red imported fire ant in urban landscapes, 1996. Arthropod Manage. Tests. 23:p. 325-326. |
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| Web URL(s):
https://academic.oup.com/amt/article/23/1/325/4640889
Last checked: 07/17/2019
Requires: PDF Reader
Notes: Item is within a single large file; guide page |
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MSU catalog number: SB 951 .A1 I48 |
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