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Efficacy of Sivanto Against Green Peach Aphid on Green Cabbage, 2014*

Efficacy of Sivanto Against Green Peach Aphid on Green Cabbage, 2014* Arthropod Management Tests, 2015, 1–2 doi: 10.1093/amt/tsv090 (E34) CABBAGE (HEAD): Brassica oleracea var. capitata “Gazelle” Efficacy of Sivanto Against Green Peach Aphid on Green Cabbage, 2014* John C. Palumbo th Department of Entomology, University of Arizona, Yuma Agricultural Center, 6425 W. 8 St., Yuma, AZ 85364, Phone: (928) 782-3836 (jpalumbo@ag.arizona.edu) and Corresponding author, e-mail: jpalumbo@ag.arizona.edu Subject Editor: Jonathan Babcock Cabbage (red, white, savoy) | Brassica oleracea var. capitata green peach aphid | Myzus persicae 4-chloro-3-ethyl-1-methyl-N-[4-(p-tolyloxy) benzyl]pyrazole-5-carboxamide; (2-methyl[1,1 -biphenyl]-3-yl)methyl (1R,3R)-rel-3- [(1Z )-2-chloro-3,3,3-trifluoro-1-propenyl]-2,2-dimethyl cyclopropanecarboxylate; cis-3-(2,5-dimethylphenyl)-8-methoxy-2-oxo- 1-azaspiro(4.5)dec-3-en-4-yl-ethyl carbonate; N-[methyloxido[1-[6-(trifluoromethyl)-3-pyridinyl]ethyl]-k -sulfanylidene]cyana- mide; 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-6-(trifluoromethyl)-3-pyridinecarboxylic acid; 1-[(6- chloro-3-pyridinyl)methyl]-N-nitro-2-imidazolidinimine; (E)-N’-[(6-chloro-3-pyridyl)methyl]-N2-cyano-N-methyl acetamidine The objective of this study was to evaluate the efficacy of Sivanto, was sampled by visually examining all plant foliage and counting applied alone and in mixture with other insecticides, against green the number of live aphids present. Because of heterogeneity of mean peach aphid in cabbage under desert growing conditions. Cabbage variances, data were transformed using a log (x þ 1) function “Gazzelle” was direct seeded into double row beds on 42-inch cen- before analysis and subjected to analysis of variance; means were ters on 24 January 2014. Plots were two beds in width by 45 ft in compared using Turkey’s HSD test (P  0.05). Means from non- length and bordered by two untreated beds. Stand establishment transformed data are presented in the tables. was achieved using overhead sprinkler irrigation and irrigated with GPA population pressure was heavy during the trial. Prespray furrow irrigation thereafter. Four replications of each treatment aphid counts were an average of 32.8 GPA per plant. Following were arranged in an RCB design. Formulations and rates for each both spray applications, all treatments significantly reduced GPA compound are provided in Table 1. Two foliar sprays were applied numbers relative to the nontreated check at most sample intervals. on 25 February and 12 March as a broadcast application delivered Overall, the Movento and Sequoia treatments provided the most through two TXVS-18 ConeJet nozzles per bed at 20 gpa and 40 psi. consistent control of GPA relative to the other spray treatments and Evaluations of GPA populations were assessed by estimating the nontreated control. The Sivanto treatment applied alone provided number of apterous aphids/plant in whole plant, destructive sam- GPA control comparable to Assail, whereas the combinations of ples. On each sample date, five plants were randomly selected from Sivanto with Admire Pro, Torac, or Brigade did not significantly each plot and placed individually into large 5-gal tubs. Each plant enhance GPA control. No phytotoxicity was observed. * This research was supported by industry gift of pesticide and/or research funding from Nichino America, Bayer CropScience, and Dow AgroSciences. 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 Rate amt product/acre GPA/plant 3 DAT-1 7 DAT-1 10 DAT-1 14 DAT-1 3 DAT-2 28 Feb. 4 Mar. 7 Mar. 11 Mar. 15 Mar. Sivanto 240SL 14 oz 18.8b 28.8bc 45.3b 37.5bc 7.6b Sivanto þ Admire Pro 14 þ 1.3 oz 19.6b 24.7bc 31.6bc 38.8bc 11.1b Sivanto þ Torac 14 þ 21 oz 9.1b 16.7bc 37.0bc 26.1bc 4.6b Sivanto þ Brigade 14 þ 5 oz 15.6b 49.9ab 50.7b 73.9b 12.3b Assail 30SG 4.0 oz 24.0b 43.5abc 53.4b 57.3bc 7.3b Sequoia 2F 2 oz 16.4b 26.8bc 28.5bc 37.4bc 7.8b Movento 2F 5 oz 18.3b 13.0c 17.1c 24.4c 5.2b Nontreated check — 91.8a 174.4a 244.5a 292.3a 140.3a F value 6.41 8.08 18.51 10.37 27.35 P> F 0.0004 <0.0001 <0.0001 <0.0001 <0.0001 GPA/plant 7 DAT-2 14 DAT-2 21 DAT-2 28 DAT-2 19 Mar. 26 Mar. 3 Apr. 10 Apr. Avg. Sivanto 240SL 14 oz 18.1b 42.2bc 111.3bc 320.9b 70.0bcd Sivanto þ Admire Pro 4.6F 14 þ 1.3 oz 14.3b 38.9bc 125.9bc 405.2b 78.9bcd Sivanto þ Torac 15EC 14 þ 21 oz 7.4bcd 16.9bcd 129.4bc 242.6b 54.4cd Sivanto þ Brigade 2EC 14 þ 5 oz 16.5b 51.7b 290.3ab 280.8b 93.5b Assail 30SG 4.0 oz 8.5bc 37.2bc 178.3ab 244.1b 71.5bc Sequoia 2F 2 oz 3.6cd 24.7cd 36.7cd 149.2b 36.8de Movento 2F 5 oz 2.3d 8.2d 19.3d 32.1c 15.5e Nontreated check — 117.3a 288.0a 481.3a 2219.9a 450.5a F value 25.83 15.51 14.94 16.42 35.29 P> F <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Means in a column followed by the same letter are not significantly different (P> 0.05). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arthropod Management Tests Oxford University Press

Efficacy of Sivanto Against Green Peach Aphid on Green Cabbage, 2014*

Arthropod Management Tests , Volume 40 (1) – Dec 31, 2015

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The Author 2015. Published by Oxford University Press on behalf of the Entomological Society of America.
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10.1093/amt/tsv090
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Abstract

Arthropod Management Tests, 2015, 1–2 doi: 10.1093/amt/tsv090 (E34) CABBAGE (HEAD): Brassica oleracea var. capitata “Gazelle” Efficacy of Sivanto Against Green Peach Aphid on Green Cabbage, 2014* John C. Palumbo th Department of Entomology, University of Arizona, Yuma Agricultural Center, 6425 W. 8 St., Yuma, AZ 85364, Phone: (928) 782-3836 (jpalumbo@ag.arizona.edu) and Corresponding author, e-mail: jpalumbo@ag.arizona.edu Subject Editor: Jonathan Babcock Cabbage (red, white, savoy) | Brassica oleracea var. capitata green peach aphid | Myzus persicae 4-chloro-3-ethyl-1-methyl-N-[4-(p-tolyloxy) benzyl]pyrazole-5-carboxamide; (2-methyl[1,1 -biphenyl]-3-yl)methyl (1R,3R)-rel-3- [(1Z )-2-chloro-3,3,3-trifluoro-1-propenyl]-2,2-dimethyl cyclopropanecarboxylate; cis-3-(2,5-dimethylphenyl)-8-methoxy-2-oxo- 1-azaspiro(4.5)dec-3-en-4-yl-ethyl carbonate; N-[methyloxido[1-[6-(trifluoromethyl)-3-pyridinyl]ethyl]-k -sulfanylidene]cyana- mide; 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-6-(trifluoromethyl)-3-pyridinecarboxylic acid; 1-[(6- chloro-3-pyridinyl)methyl]-N-nitro-2-imidazolidinimine; (E)-N’-[(6-chloro-3-pyridyl)methyl]-N2-cyano-N-methyl acetamidine The objective of this study was to evaluate the efficacy of Sivanto, was sampled by visually examining all plant foliage and counting applied alone and in mixture with other insecticides, against green the number of live aphids present. Because of heterogeneity of mean peach aphid in cabbage under desert growing conditions. Cabbage variances, data were transformed using a log (x þ 1) function “Gazzelle” was direct seeded into double row beds on 42-inch cen- before analysis and subjected to analysis of variance; means were ters on 24 January 2014. Plots were two beds in width by 45 ft in compared using Turkey’s HSD test (P  0.05). Means from non- length and bordered by two untreated beds. Stand establishment transformed data are presented in the tables. was achieved using overhead sprinkler irrigation and irrigated with GPA population pressure was heavy during the trial. Prespray furrow irrigation thereafter. Four replications of each treatment aphid counts were an average of 32.8 GPA per plant. Following were arranged in an RCB design. Formulations and rates for each both spray applications, all treatments significantly reduced GPA compound are provided in Table 1. Two foliar sprays were applied numbers relative to the nontreated check at most sample intervals. on 25 February and 12 March as a broadcast application delivered Overall, the Movento and Sequoia treatments provided the most through two TXVS-18 ConeJet nozzles per bed at 20 gpa and 40 psi. consistent control of GPA relative to the other spray treatments and Evaluations of GPA populations were assessed by estimating the nontreated control. The Sivanto treatment applied alone provided number of apterous aphids/plant in whole plant, destructive sam- GPA control comparable to Assail, whereas the combinations of ples. On each sample date, five plants were randomly selected from Sivanto with Admire Pro, Torac, or Brigade did not significantly each plot and placed individually into large 5-gal tubs. Each plant enhance GPA control. No phytotoxicity was observed. * This research was supported by industry gift of pesticide and/or research funding from Nichino America, Bayer CropScience, and Dow AgroSciences. 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 Rate amt product/acre GPA/plant 3 DAT-1 7 DAT-1 10 DAT-1 14 DAT-1 3 DAT-2 28 Feb. 4 Mar. 7 Mar. 11 Mar. 15 Mar. Sivanto 240SL 14 oz 18.8b 28.8bc 45.3b 37.5bc 7.6b Sivanto þ Admire Pro 14 þ 1.3 oz 19.6b 24.7bc 31.6bc 38.8bc 11.1b Sivanto þ Torac 14 þ 21 oz 9.1b 16.7bc 37.0bc 26.1bc 4.6b Sivanto þ Brigade 14 þ 5 oz 15.6b 49.9ab 50.7b 73.9b 12.3b Assail 30SG 4.0 oz 24.0b 43.5abc 53.4b 57.3bc 7.3b Sequoia 2F 2 oz 16.4b 26.8bc 28.5bc 37.4bc 7.8b Movento 2F 5 oz 18.3b 13.0c 17.1c 24.4c 5.2b Nontreated check — 91.8a 174.4a 244.5a 292.3a 140.3a F value 6.41 8.08 18.51 10.37 27.35 P> F 0.0004 <0.0001 <0.0001 <0.0001 <0.0001 GPA/plant 7 DAT-2 14 DAT-2 21 DAT-2 28 DAT-2 19 Mar. 26 Mar. 3 Apr. 10 Apr. Avg. Sivanto 240SL 14 oz 18.1b 42.2bc 111.3bc 320.9b 70.0bcd Sivanto þ Admire Pro 4.6F 14 þ 1.3 oz 14.3b 38.9bc 125.9bc 405.2b 78.9bcd Sivanto þ Torac 15EC 14 þ 21 oz 7.4bcd 16.9bcd 129.4bc 242.6b 54.4cd Sivanto þ Brigade 2EC 14 þ 5 oz 16.5b 51.7b 290.3ab 280.8b 93.5b Assail 30SG 4.0 oz 8.5bc 37.2bc 178.3ab 244.1b 71.5bc Sequoia 2F 2 oz 3.6cd 24.7cd 36.7cd 149.2b 36.8de Movento 2F 5 oz 2.3d 8.2d 19.3d 32.1c 15.5e Nontreated check — 117.3a 288.0a 481.3a 2219.9a 450.5a F value 25.83 15.51 14.94 16.42 35.29 P> F <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Means in a column followed by the same letter are not significantly different (P> 0.05).

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Arthropod Management TestsOxford University Press

Published: Dec 31, 2015

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