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Application of Sivanto HL With Different Surfactants to Control Asian Citrus Psyllid on Orange, Summer 2020

Application of Sivanto HL With Different Surfactants to Control Asian Citrus Psyllid on Orange,... applyparastyle "fig//caption/p[1]" parastyle "FigCapt" applyparastyle "fig" parastyle "Figure" Arthropod Management T ests, 46(1), 2021, 1–2 doi: 10.1093/amt/tsab047 Section D: Citrus, Nuts, and Other Tree Fruits ORANGE: Citrus sinensis (L.) Osbeck, ‘Hamlin’ HeadA=HeadB=HeadA=HeadB/HeadA HeadB=HeadC=HeadB=HeadC/HeadB Application of Sivanto HL With Different Surfactants to HeadC=HeadD=HeadC=HeadD/HeadC Extract3=HeadA=Extract1=HeadA Control Asian Citrus Psyllid on Orange, Summer 2020 History=Text=History=Text_First 1, Jawwad Qureshi and Barry C. Kostyk EDI_HeadA=EDI_HeadB=EDI_HeadA=EDI_HeadB/HeadA EDI_HeadB=EDI_HeadC=EDI_HeadB=EDI_HeadC/HeadB Southwest Florida Research and Education Center, University of Florida/IFAS, 2686 State Road, 29 North Immokalee, FL 34142-9515, USA and Corresponding author, e-mail: jawwadq@ufl.edu EDI_HeadC=EDI_HeadD=EDI_HeadC=EDI_HeadD/HeadC EDI_Extract3=EDI_HeadA=EDI_Extract1=EDI_HeadA Section Editor: David Haviland ERR_HeadA=ERR_HeadB=ERR_HeadA=ERR_HeadB/HeadA Orange | Citrus sinensis ERR_HeadB=ERR_HeadC=ERR_HeadB=ERR_HeadC/HeadB Asian citrus psyllid | Diaphorina citri ERR_HeadC=ERR_HeadD=ERR_HeadC=ERR_HeadD/HeadC ERR_Extract3=ERR_HeadA=ERR_Extract1=ERR_HeadA The Asian citrus psyllid (ACP) is the most important insect pest were monitored on eight trees per plot by conducting a standard of Florida citrus due to its ability to vector huanglongbing dis- ‘tap’ sample twice on each tree on 19, 24, 28 August and 2 and 8 ease. Control is primarily accomplished through insecticides, and September. For each tap sample, adults were counted on a white new formulations and diverse modes of action are needed for ro- plastic clipboard placed under a randomly chosen limb struck three tational programs to slow resistance and disease spread. This trial times with a short length of PVC pipe. Nymphs were evaluated by was conducted in a 10-yr-old orchard at the Southwest Florida collecting 12 randomly selected shoots per plot on each evaluation Research and Education Center planted with sweet orange ‘Hamlin’ date through 2 September and counting nymphs in the laboratory trees at a tree density of 308 per acre. Young shoots needed for ACP with the assistance of a stereomicroscope. Data were subjected to reproduction were induced by mechanical pruning approximately ANOVA with means separated using LSD (P = 0.05). 2 wk before sprays were initiated. Six treatments plus an untreated All treatments reduced ACP adults through 8 September except check were assigned to 10-tree plots in a RCB design experiment for the Sivanto HL plus 435 Oil treatment on 2 September (Table 1), with four blocks that were each one row wide and separated from but that treatment was not statistically different than any other other blocks by an untreated buffer row. Treatments were applied treatment. Nymphal populations were reduced by all treatments on on 17 August using a Durand Wayland AF100-32 air blast speed 19, 24, and 28 August. On 2 September, only the Exirel and Sivanto sprayer operating at 1.9 mph and 300 psi equipped with four # 4 HL plus Purespray 15E treatments were still providing significant John Beane ceramic nozzles delivering 115 gpa. Adult populations reductions of nymphs (Table 2). This research was supported by industry contributions of products and funding. © The Author(s) 2021. 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-NonCommercial 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 T ests, 2021, Vol. 46, No. 1 Table 1. No. adult ACP per tap Treatment/formulation Rate/acre 19 Aug. 24 Aug. 28 Aug. 2 Sep. 8 Sep. Untreated check 0.52 a 0.34 a 0.52 a 0.39 a 0.31 a Sivanto prime 12 oz 0.02 c 0.13 b 0.20 b 0.06 b 0.06 b Exirel 13.5 oz 0.08 bc 0.02 b 0.05 b 0.00 b 0.02 b Sivanto HL 6 oz 0.18 b 0.14 b 0.11 b 0.11 b 0.03 b Dyne-amic 0.25% Sivanto HL 6 oz 0.09 bc 0.09 b 0.05 b 0.15 ab 0.13 b 435 oil 1 gal Sivanto HL 6 oz 0.13 bc 0.02 b 0.17 b 0.08 b 0.03 b Purespray 22E 0.50 gal Sivanto HL 6 oz 0.03 c 0.03 b 0.06 b 0.03 b 0.02 b Purespray 15E 0.75 gal Means in the column followed by the same letter are not significantly different (LSD, P > 0.05). Table 2. No. ACP nymphs per flush Treatment/formulation Rate/acre 19 Aug. 24 Aug. 28 Aug. 2 Sep. Untreated check 18.98 a 17.50 a 12.00 a 5.60 a Sivanto prime 12 oz 2.69 b 3.15 b 2.17 bc 3.52 ab Exirel 13.5 oz 1.27 b 0.04 b 0.00 c 0.00 c Sivanto HL 6 oz 2.50 b 2.33 b 3.50 b 3.60 ab Dyne-amic 0.25% Sivanto HL 6 oz 3.45 b 1.77 b 3.88 b 3.54 ab 435 oil 1 gal Sivanto HL 6 oz 4.68 b 0.67 b 3.54 b 5.19 a Purespray 22E 0.50 gal Sivanto HL 6 oz 1.35 b 0.46 b 0.75 bc 1.19 bc Purespray 15E 0.75 gal Means in the column followed by the same letter are not significantly different (LSD, P > 0.05). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arthropod Management Tests Oxford University Press

Application of Sivanto HL With Different Surfactants to Control Asian Citrus Psyllid on Orange, Summer 2020

Arthropod Management Tests , Volume 46 (1): 1 – May 24, 2021

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Oxford University Press
Copyright
© The Author(s) 2021. Published by Oxford University Press on behalf of Entomological Society of America.
eISSN
2155-9856
DOI
10.1093/amt/tsab047
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Abstract

applyparastyle "fig//caption/p[1]" parastyle "FigCapt" applyparastyle "fig" parastyle "Figure" Arthropod Management T ests, 46(1), 2021, 1–2 doi: 10.1093/amt/tsab047 Section D: Citrus, Nuts, and Other Tree Fruits ORANGE: Citrus sinensis (L.) Osbeck, ‘Hamlin’ HeadA=HeadB=HeadA=HeadB/HeadA HeadB=HeadC=HeadB=HeadC/HeadB Application of Sivanto HL With Different Surfactants to HeadC=HeadD=HeadC=HeadD/HeadC Extract3=HeadA=Extract1=HeadA Control Asian Citrus Psyllid on Orange, Summer 2020 History=Text=History=Text_First 1, Jawwad Qureshi and Barry C. Kostyk EDI_HeadA=EDI_HeadB=EDI_HeadA=EDI_HeadB/HeadA EDI_HeadB=EDI_HeadC=EDI_HeadB=EDI_HeadC/HeadB Southwest Florida Research and Education Center, University of Florida/IFAS, 2686 State Road, 29 North Immokalee, FL 34142-9515, USA and Corresponding author, e-mail: jawwadq@ufl.edu EDI_HeadC=EDI_HeadD=EDI_HeadC=EDI_HeadD/HeadC EDI_Extract3=EDI_HeadA=EDI_Extract1=EDI_HeadA Section Editor: David Haviland ERR_HeadA=ERR_HeadB=ERR_HeadA=ERR_HeadB/HeadA Orange | Citrus sinensis ERR_HeadB=ERR_HeadC=ERR_HeadB=ERR_HeadC/HeadB Asian citrus psyllid | Diaphorina citri ERR_HeadC=ERR_HeadD=ERR_HeadC=ERR_HeadD/HeadC ERR_Extract3=ERR_HeadA=ERR_Extract1=ERR_HeadA The Asian citrus psyllid (ACP) is the most important insect pest were monitored on eight trees per plot by conducting a standard of Florida citrus due to its ability to vector huanglongbing dis- ‘tap’ sample twice on each tree on 19, 24, 28 August and 2 and 8 ease. Control is primarily accomplished through insecticides, and September. For each tap sample, adults were counted on a white new formulations and diverse modes of action are needed for ro- plastic clipboard placed under a randomly chosen limb struck three tational programs to slow resistance and disease spread. This trial times with a short length of PVC pipe. Nymphs were evaluated by was conducted in a 10-yr-old orchard at the Southwest Florida collecting 12 randomly selected shoots per plot on each evaluation Research and Education Center planted with sweet orange ‘Hamlin’ date through 2 September and counting nymphs in the laboratory trees at a tree density of 308 per acre. Young shoots needed for ACP with the assistance of a stereomicroscope. Data were subjected to reproduction were induced by mechanical pruning approximately ANOVA with means separated using LSD (P = 0.05). 2 wk before sprays were initiated. Six treatments plus an untreated All treatments reduced ACP adults through 8 September except check were assigned to 10-tree plots in a RCB design experiment for the Sivanto HL plus 435 Oil treatment on 2 September (Table 1), with four blocks that were each one row wide and separated from but that treatment was not statistically different than any other other blocks by an untreated buffer row. Treatments were applied treatment. Nymphal populations were reduced by all treatments on on 17 August using a Durand Wayland AF100-32 air blast speed 19, 24, and 28 August. On 2 September, only the Exirel and Sivanto sprayer operating at 1.9 mph and 300 psi equipped with four # 4 HL plus Purespray 15E treatments were still providing significant John Beane ceramic nozzles delivering 115 gpa. Adult populations reductions of nymphs (Table 2). This research was supported by industry contributions of products and funding. © The Author(s) 2021. 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-NonCommercial 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 T ests, 2021, Vol. 46, No. 1 Table 1. No. adult ACP per tap Treatment/formulation Rate/acre 19 Aug. 24 Aug. 28 Aug. 2 Sep. 8 Sep. Untreated check 0.52 a 0.34 a 0.52 a 0.39 a 0.31 a Sivanto prime 12 oz 0.02 c 0.13 b 0.20 b 0.06 b 0.06 b Exirel 13.5 oz 0.08 bc 0.02 b 0.05 b 0.00 b 0.02 b Sivanto HL 6 oz 0.18 b 0.14 b 0.11 b 0.11 b 0.03 b Dyne-amic 0.25% Sivanto HL 6 oz 0.09 bc 0.09 b 0.05 b 0.15 ab 0.13 b 435 oil 1 gal Sivanto HL 6 oz 0.13 bc 0.02 b 0.17 b 0.08 b 0.03 b Purespray 22E 0.50 gal Sivanto HL 6 oz 0.03 c 0.03 b 0.06 b 0.03 b 0.02 b Purespray 15E 0.75 gal Means in the column followed by the same letter are not significantly different (LSD, P > 0.05). Table 2. No. ACP nymphs per flush Treatment/formulation Rate/acre 19 Aug. 24 Aug. 28 Aug. 2 Sep. Untreated check 18.98 a 17.50 a 12.00 a 5.60 a Sivanto prime 12 oz 2.69 b 3.15 b 2.17 bc 3.52 ab Exirel 13.5 oz 1.27 b 0.04 b 0.00 c 0.00 c Sivanto HL 6 oz 2.50 b 2.33 b 3.50 b 3.60 ab Dyne-amic 0.25% Sivanto HL 6 oz 3.45 b 1.77 b 3.88 b 3.54 ab 435 oil 1 gal Sivanto HL 6 oz 4.68 b 0.67 b 3.54 b 5.19 a Purespray 22E 0.50 gal Sivanto HL 6 oz 1.35 b 0.46 b 0.75 bc 1.19 bc Purespray 15E 0.75 gal Means in the column followed by the same letter are not significantly different (LSD, P > 0.05).

Journal

Arthropod Management TestsOxford University Press

Published: May 24, 2021

Keywords: Orange | Citrus sinensis; Asian citrus psyllid | Diaphorina citri; cyantraniliprole; flupyradifurone; petroleum oil

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