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Effects of Adjuvants on Transform Efficacy Towards Sugarcane Aphid in Grain Sorghum, 2014*

Effects of Adjuvants on Transform Efficacy Towards Sugarcane Aphid in Grain Sorghum, 2014* Arthropod Management Tests, 2015, 1–2 doi: 10.1093/amt/tsv142 (F15) GRAIN SORGHUM: Sorghum bicolor (L.), ‘Pioneer 84G62’ Effects of Adjuvants on Transform Efficacy Towards Sugarcane Aphid in Grain Sorghum, 2014* Nathaniel Jones, Shelby Williams, Karla Emfinger, Sebe Brown, and David Kerns Department of Entomology, LSU AgCenter, 212A Macon Ridge Rd., Winnsboro, LA 71295, Phone: (318)435-2157 (nrjones@agcenter.lsu.edu; twilliams@agcenter.lsu.edu; kemfinger@agcenter.lsu.edu; sbrown@agcenter.lsu.edu; dkerns@agcenter.lsu.edu) and Corresponding author, e-mail: dkerns@agcenter.lsu.edu Subject Editor: Clyde Sorenson Sorghum (broom, durra, Guinea corn, jowar) | Sorghum bicolor sugarcane aphid | Melanaphis sacchari N-[methyloxido[1-[6-(trifluoromethyl)-3-pyridinyl]ethyl]-k4-sulfanylidene]cyanamide; Modified vegetable oil; Polyoxyethylene sorbitan fatty acid ester; Vegetable oil; Soybean oil ethoxylated; Phytobland paraffinic oil; High fructose corn syrup; polyoxy- ethylene sorbitan fatty esters; Methylated soybean oil; sorbitan fatty acids; Ammonium sulfate; Substituted fatty alkylammo- nium alkylcarboxylate; alkyl poly glucoside; Saccharides; alkyl polyglucoside An insecticide efficacy trial was conducted to determine the effects At 3 DAT, all treated plots had statistically fewer SCA on the flag of adjuvants on the activity of Transform against sugarcane aphids leaf compared with the non-treated check plots, but did not differ in grain sorghum. The trial was conducted at the Macon Ridge from one another. There were no significant differences among treat- Research Station (MRRS) in Franklin Parish near Winnsboro, ments at 3 DAT for SCA on lower leaves, or for mean SCA from the Louisiana in 2014. Grain sorghum was planted on 4 Jun and flag and lower leaves. The 7 DAT evaluations showed significantly emerged on 9 Jun in a Gigger fine silty loam soil with minimum till- fewer aphids on the flag leaves of all treated plots compared with the age. The test was an RCB design with four replications. Individual non-treated check plots, while there were no significant differences in plots were four rows (centered on 40-in.) 50 ft. Insecticide treat- lower leaf SCA among treatments. For the mean number of SCA ments were applied with a four-row plot sprayer calibrated to de- from the flag and lower leaves at the 7 DAT, plots treated with liver 10 GPA at 3.25 mph with eight TeeJet TX-8 hollow cone Transformþ crop oil concentrate (COC) or Level 7 had significantly nozzles (2/row) on 25 Jul. Plots were sampled by examining five flag more SCA than the non-treated check. None of the adjuvants tested leaves and five lower leaves per plot from the center two rows of reduced SCA numbers, below Transform alone at 0.5 oz. Regardless each plot at each sample date and counting the total number of SCA of adjuvant, all of the plots treated with Transform had a signifi- per leaf. Data were subjected to ANOVA and means were separated cantly higher yield than the non-treated check. No phytotoxicity was using an F-protected LSD (P< 0.05). observed from any of the products evaluated. * This research was supported by Winfield Solutions. V C The Author 2015. Published by Oxford University Press on behalf of the Entomological Society of America. 1 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com 2 Arthropod Management Tests, 2015, Vol. 40, No. 1 Table 1 Treatment/Formulation No. SCA/ 5 leaves 25 July — 0 DAT 28 July — 3 DAT 1 Aug — 7 DAT Yield bu/ acre Flag Lower Mean Flag Lower Mean Flag Lower Mean 16 Sep leaf leaf leaf leaf leaf leaf Non-treated check – 1386.3a 37.5a 711.88a 528.5a 315.3a 421.88a 265.0a 788.8a 526.88a 31.4b Transform WG 1.0 1371.3a 715.0a 1043.13a 5.0b 207.5a 106.25a 11.0b 52.8a 31.88c 49.4a Transform WG 0.5 2317.5a 193.8a 1255.63a 28.8b 238.3a 133.50a 22.8b 159.3a 91.00c 43.5a Transform WGþ 0.5þ 0.5% vol/vol 1153.8a 66.8a 610.25a 88.5b 90.8a 89.63a 14.8b 132.5a 73.63c 50.5a Masterlock Transform WGþ 0.5þ 0.5% vol/vol 1413.8a 312.8a 863.25a 5.0b 304.8a 154.88a 22.0b 63.0a 42.50c 47.8a Superb HC Transform WGþ 0.5þ 0.5% vol/vol 1560.0a 144.8a 852.38a 10.8b 104.5a 57.63a 22.5b 36.0a 29.25c 45.9a Destiny Transform WGþ 0.5þ 2% vol/vol 1720.0a 621.8a 1170.88a 6.3b 245.8a 125.00a 215b 265.0a 143.25bc 51.8a Class Act Flex Transform WGþ 0.5 oz/aþ 0.5% vol/vol 1098.8a 291.8a 695.25a 2.8b 226.0a 114.38a 49.8b 880.8a 465.25ab 45.9a Level 7 Transform WGþ 0.5þ 1% vol/vol 1347.5a 2.8a 675.13a 2.5b 312.8a 157.63a 52.5b 655.5a 354.0abc 47.8a COC http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arthropod Management Tests Oxford University Press

Effects of Adjuvants on Transform Efficacy Towards Sugarcane Aphid in Grain Sorghum, 2014*

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Oxford University Press
Copyright
The Author 2015. Published by Oxford University Press on behalf of the Entomological Society of America.
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2155-9856
DOI
10.1093/amt/tsv142
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Abstract

Arthropod Management Tests, 2015, 1–2 doi: 10.1093/amt/tsv142 (F15) GRAIN SORGHUM: Sorghum bicolor (L.), ‘Pioneer 84G62’ Effects of Adjuvants on Transform Efficacy Towards Sugarcane Aphid in Grain Sorghum, 2014* Nathaniel Jones, Shelby Williams, Karla Emfinger, Sebe Brown, and David Kerns Department of Entomology, LSU AgCenter, 212A Macon Ridge Rd., Winnsboro, LA 71295, Phone: (318)435-2157 (nrjones@agcenter.lsu.edu; twilliams@agcenter.lsu.edu; kemfinger@agcenter.lsu.edu; sbrown@agcenter.lsu.edu; dkerns@agcenter.lsu.edu) and Corresponding author, e-mail: dkerns@agcenter.lsu.edu Subject Editor: Clyde Sorenson Sorghum (broom, durra, Guinea corn, jowar) | Sorghum bicolor sugarcane aphid | Melanaphis sacchari N-[methyloxido[1-[6-(trifluoromethyl)-3-pyridinyl]ethyl]-k4-sulfanylidene]cyanamide; Modified vegetable oil; Polyoxyethylene sorbitan fatty acid ester; Vegetable oil; Soybean oil ethoxylated; Phytobland paraffinic oil; High fructose corn syrup; polyoxy- ethylene sorbitan fatty esters; Methylated soybean oil; sorbitan fatty acids; Ammonium sulfate; Substituted fatty alkylammo- nium alkylcarboxylate; alkyl poly glucoside; Saccharides; alkyl polyglucoside An insecticide efficacy trial was conducted to determine the effects At 3 DAT, all treated plots had statistically fewer SCA on the flag of adjuvants on the activity of Transform against sugarcane aphids leaf compared with the non-treated check plots, but did not differ in grain sorghum. The trial was conducted at the Macon Ridge from one another. There were no significant differences among treat- Research Station (MRRS) in Franklin Parish near Winnsboro, ments at 3 DAT for SCA on lower leaves, or for mean SCA from the Louisiana in 2014. Grain sorghum was planted on 4 Jun and flag and lower leaves. The 7 DAT evaluations showed significantly emerged on 9 Jun in a Gigger fine silty loam soil with minimum till- fewer aphids on the flag leaves of all treated plots compared with the age. The test was an RCB design with four replications. Individual non-treated check plots, while there were no significant differences in plots were four rows (centered on 40-in.) 50 ft. Insecticide treat- lower leaf SCA among treatments. For the mean number of SCA ments were applied with a four-row plot sprayer calibrated to de- from the flag and lower leaves at the 7 DAT, plots treated with liver 10 GPA at 3.25 mph with eight TeeJet TX-8 hollow cone Transformþ crop oil concentrate (COC) or Level 7 had significantly nozzles (2/row) on 25 Jul. Plots were sampled by examining five flag more SCA than the non-treated check. None of the adjuvants tested leaves and five lower leaves per plot from the center two rows of reduced SCA numbers, below Transform alone at 0.5 oz. Regardless each plot at each sample date and counting the total number of SCA of adjuvant, all of the plots treated with Transform had a signifi- per leaf. Data were subjected to ANOVA and means were separated cantly higher yield than the non-treated check. No phytotoxicity was using an F-protected LSD (P< 0.05). observed from any of the products evaluated. * This research was supported by Winfield Solutions. V C The Author 2015. Published by Oxford University Press on behalf of the Entomological Society of America. 1 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com 2 Arthropod Management Tests, 2015, Vol. 40, No. 1 Table 1 Treatment/Formulation No. SCA/ 5 leaves 25 July — 0 DAT 28 July — 3 DAT 1 Aug — 7 DAT Yield bu/ acre Flag Lower Mean Flag Lower Mean Flag Lower Mean 16 Sep leaf leaf leaf leaf leaf leaf Non-treated check – 1386.3a 37.5a 711.88a 528.5a 315.3a 421.88a 265.0a 788.8a 526.88a 31.4b Transform WG 1.0 1371.3a 715.0a 1043.13a 5.0b 207.5a 106.25a 11.0b 52.8a 31.88c 49.4a Transform WG 0.5 2317.5a 193.8a 1255.63a 28.8b 238.3a 133.50a 22.8b 159.3a 91.00c 43.5a Transform WGþ 0.5þ 0.5% vol/vol 1153.8a 66.8a 610.25a 88.5b 90.8a 89.63a 14.8b 132.5a 73.63c 50.5a Masterlock Transform WGþ 0.5þ 0.5% vol/vol 1413.8a 312.8a 863.25a 5.0b 304.8a 154.88a 22.0b 63.0a 42.50c 47.8a Superb HC Transform WGþ 0.5þ 0.5% vol/vol 1560.0a 144.8a 852.38a 10.8b 104.5a 57.63a 22.5b 36.0a 29.25c 45.9a Destiny Transform WGþ 0.5þ 2% vol/vol 1720.0a 621.8a 1170.88a 6.3b 245.8a 125.00a 215b 265.0a 143.25bc 51.8a Class Act Flex Transform WGþ 0.5 oz/aþ 0.5% vol/vol 1098.8a 291.8a 695.25a 2.8b 226.0a 114.38a 49.8b 880.8a 465.25ab 45.9a Level 7 Transform WGþ 0.5þ 1% vol/vol 1347.5a 2.8a 675.13a 2.5b 312.8a 157.63a 52.5b 655.5a 354.0abc 47.8a COC

Journal

Arthropod Management TestsOxford University Press

Published: Dec 31, 2015

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