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| Publication Type:
| Report |
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| Author(s): | Brandenburg, Rick L.;
Hertl, P. T. |
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| Author Affiliation: | Department of Entomology, Box 7613, North Carolina State University, Raleigh, NC 27695-7613 |
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| Title: | Evaluation of experimental formulations for mole cricket control on golf course fairways in North Carolina, 1993 |
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| Source: | Arthropod Management Tests. Vol. 19, 1994, p. 307-308. |
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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; Scapteriscus vicinus; Scapteriscus acletus; Insect control; Insecticide evaluation; Ethoprophos; Fipronil
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| Abstract/Contents: | "A trial was conducted to determine the efficacy of two granular formulations of fipronil (EXP60818A and EXP60819A) applied at various rates for the control of mole cricket nymphs. Large (90 ft x 90 ft) plots were established on three infested fairways (#1, #3, #12) at the Fox Squirrel Golf and Country Club in Brunswick County. Treatments with three replicates were randomly assigned to the plots with one untreated area on each fairway and the plots were irrigated with 0.25 inch of water prior to chemical application. Weighed portions of each granular formulation were broadcast over the plots using a push type Lesco fertilizer spreader. All plots were treated late in the day of 26 Jul. Air temperature was 78 degrees F and soil temperature was 89 degrees F. After treatment, the plots were irrigated with 0.5 inch or fairway irrigation to water the chemicals into the sandy soil. Plots were evaluated by quantifying the fresh damage present using the grid method, as developed bt Dr. Pat Cobb, Auburn University. A grid divided into nine equal sections was randomly placed in each plot and examined for the occurrence of fresh mole cricket damage. A rating of 0 thru 9 is given for each frame, depending on the number of sections in which fresh damage was observed. Ten damage grids were used to evaluate each plot on four dates: 12 and 25 Aug, 15, and 29 Sep. Plots were also evaluated on 14 Oct and 18 Nov using the grid method; however, on these dates two separate sets of five damage grids were made in each plot. In order to obtain an estimate of reinfestation, one set of samples were taken from the center of each plot and the other from an area ca. 5 ft from the outside edge of the plot. All data were transformed sguare-root(X + 5) prior to analysis. Damage evaluation at 17 DAT revealed that all insecticide treatments significantly reduced mole cricket damage as compared to the untreated plots with no significant differences observed between the insecticide treatments. At 30 DAT the untreated plots had significantly less damage than the low rate of EXP60818A. At 51 DAT, all insecticide treatments had significantly less damage when compared to the control and the high rates of both EXP formulations and the 0.025 lb (AI)/acre rate of EXP60819A had significantly less damage than the Mocap 10G treatment. At 65 DAT all the treated plots still had significantly less damage than the untreated plots, but at this evaluation, all the fipronil treatments had significantly less damage than the Mocap 10G treatment. Center plot evaluations at 80 DAT show similar results to those of the 65 DAT evaluation. At 80 DAT, grid evaluations from near the edges of the plots show that the Mocap 10G had lost its effectiveness, allowing reinfestation which has statistically comparable with damage in the untreated plots. The high rate of EXP60819A had significantly less damage than the low rate of EXP60818A. Evaluation of the damage from the center of the plots at 115 DAT gave results similar to those obtained from sampling plot centers at 80 DAT. All the fipronil treated plots had less damage than the Mocap 10G plots and all insecticide treatments had significantly less damage than the untreated with the high rate of both fipronil formulations having significantly less damage than the low rate of either fipronil formulation or the Mocap 10G treatment. No phytotoxicity was observed." |
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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):
Brandenburg, R. L., and P. T. Hertl. 1994. Evaluation of experimental formulations for mole cricket control on golf course fairways in North Carolina, 1993. Arthropod Manage. Tests. 19:p. 307-308. |
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