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Thrips Managment on Dry Bulb Onions With the Use of Foliar Insecticide Applications, 2016

Thrips Managment on Dry Bulb Onions With the Use of Foliar Insecticide Applications, 2016 Arthropod Management Tests, 2017, 1–1 doi: 10.1093/amt/tsx081 Section E: Vegetable Crops ONION: Allium cepa L., ‘Calibra’ Thrips Managment on Dry Bulb Onions With the Use of Foliar Insecticide Applications, 2016* Timothy D. Waters and Jennifer K. Darner Washington State University Extension, Agriculture and Natural Resource Sciences, Benton-Franklin Area, 404 W. Clark St., Pasco, WA 99301, Phone: (509) 545-3511, Fax: (509) 545-2130 (twaters@wsu.edu; jennifer_darner@ wsu.edu) and Corresponding author, e-mail: twaters@wsu.edu Subject Editor: John Palumbo Onion thrips, Thrips tabaci (Lindeman) Onion j Allium cepa onion thrips j Thrips tabaci Onion thrips are a significantly damaging pest to dry bulb onions in counted in the field from 10 plants in each plot. The data were ana- Washington State. An experiment was performed in Pasco, WA to lyzed using ANOVA, followed by means separation using Fisher’s determine insecticide efficacy, starting 28 Jun 2016. The drip irri- protected LSD (P< 0.05). gated plots were 7.33-ft wide and 25-ft long and arranged in using Thrips counts following sampling on 7 Jul 2016 showed signifi- an RCB design with four replicates per treatment. Insecticide treat- cant differences among the six treatments. Radiant was the most ments were made with a tractor mounted CO pressurized research effective insecticide among all the treatments (Table 1). By compari- V R plot sprayer using 110002 TeeJet air induction flat fan nozzles at son, Movento-, Exirel-, Lannate-, Agrimek-, and Minecto Pro- 30 psi. The boom was 20 inches high with 5 nozzles spaced 20 inches treated plots had significantly fewer thrips than the untreated check apart, applying spray at 30 gpa. Plots were assessed nine days after but were not as effective as Radiant. Warrior showed no significant application for pesticide efficacy. Adult and immature thrips were difference from the untreated check (Table 1). Table 1 Treatment/formulation Rate-amt product/acre Mean thrips per plant 7 Jul 2016 Check 9.55 a Movento SC 5 fl oz 4.75 b Agrimek SC 3.5 fl oz 3.98 b Lannate SP 3 pt 3.02 b Radiant SC 10 fl oz 1.64 c Exirel SE 20.5 fl oz 3.44 b Minecto Pro SC 10 fl oz 4.33 b Warrior CS 1.92 fl oz 8.68 a Means within columns not followed by the same letter are statistically significantly different from one another (Fisher’s protected LSD P< 0.05). * This project was supported in part by private industry funds. V C The Authors 2017. Published by Oxford University Press on behalf of 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 Downloaded from https://academic.oup.com/amt/article-abstract/42/1/tsx081/3858095 journals.permissions@oup.com by Ed 'DeepDyve' Gillespie user on 11 July 2018 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arthropod Management Tests Oxford University Press

Thrips Managment on Dry Bulb Onions With the Use of Foliar Insecticide Applications, 2016

Waters, Timothy D.; Darner, Jennifer K.
Arthropod Management Tests , Volume Advance Article (1) – May 29, 2017
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Oxford University Press
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© The Authors 2017. Published by Oxford University Press on behalf of Entomological Society of America.
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10.1093/amt/tsx081
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Abstract

Arthropod Management Tests, 2017, 1–1 doi: 10.1093/amt/tsx081 Section E: Vegetable Crops ONION: Allium cepa L., ‘Calibra’ Thrips Managment on Dry Bulb Onions With the Use of Foliar Insecticide Applications, 2016* Timothy D. Waters and Jennifer K. Darner Washington State University Extension, Agriculture and Natural Resource Sciences, Benton-Franklin Area, 404 W. Clark St., Pasco, WA 99301, Phone: (509) 545-3511, Fax: (509) 545-2130 (twaters@wsu.edu; jennifer_darner@ wsu.edu) and Corresponding author, e-mail: twaters@wsu.edu Subject Editor: John Palumbo Onion thrips, Thrips tabaci (Lindeman) Onion j Allium cepa onion thrips j Thrips tabaci Onion thrips are a significantly damaging pest to dry bulb onions in counted in the field from 10 plants in each plot. The data were ana- Washington State. An experiment was performed in Pasco, WA to lyzed using ANOVA, followed by means separation using Fisher’s determine insecticide efficacy, starting 28 Jun 2016. The drip irri- protected LSD (P< 0.05). gated plots were 7.33-ft wide and 25-ft long and arranged in using Thrips counts following sampling on 7 Jul 2016 showed signifi- an RCB design with four replicates per treatment. Insecticide treat- cant differences among the six treatments. Radiant was the most ments were made with a tractor mounted CO pressurized research effective insecticide among all the treatments (Table 1). By compari- V R plot sprayer using 110002 TeeJet air induction flat fan nozzles at son, Movento-, Exirel-, Lannate-, Agrimek-, and Minecto Pro- 30 psi. The boom was 20 inches high with 5 nozzles spaced 20 inches treated plots had significantly fewer thrips than the untreated check apart, applying spray at 30 gpa. Plots were assessed nine days after but were not as effective as Radiant. Warrior showed no significant application for pesticide efficacy. Adult and immature thrips were difference from the untreated check (Table 1). Table 1 Treatment/formulation Rate-amt product/acre Mean thrips per plant 7 Jul 2016 Check 9.55 a Movento SC 5 fl oz 4.75 b Agrimek SC 3.5 fl oz 3.98 b Lannate SP 3 pt 3.02 b Radiant SC 10 fl oz 1.64 c Exirel SE 20.5 fl oz 3.44 b Minecto Pro SC 10 fl oz 4.33 b Warrior CS 1.92 fl oz 8.68 a Means within columns not followed by the same letter are statistically significantly different from one another (Fisher’s protected LSD P< 0.05). * This project was supported in part by private industry funds. V C The Authors 2017. Published by Oxford University Press on behalf of 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 Downloaded from https://academic.oup.com/amt/article-abstract/42/1/tsx081/3858095 journals.permissions@oup.com by Ed 'DeepDyve' Gillespie user on 11 July 2018

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Arthropod Management Tests – Oxford University Press

Published: May 29, 2017

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