Pneumatic spray delivery-based solid set canopy delivery system for oblique banded leaf roller and codling moth control in a high-density modern apple orchard.

Animals Insecticides / pharmacology Larva Malus Moths Plant Leaves
biological efficacy fixed spray delivery fruit bioassay larval mortality leaf bioassay pneumatic spray delivery

Journal

Pest management science
ISSN: 1526-4998
Titre abrégé: Pest Manag Sci
Pays: England
ID NLM: 100898744

Informations de publication

Date de publication:
Nov 2022
Historique:
revised: 23 07 2022
received: 16 06 2022
accepted: 27 07 2022
pubmed: 28 7 2022
medline: 5 10 2022
entrez: 27 7 2022
Statut: ppublish

Résumé

Pneumatic spray delivery (PSD)-based solid set canopy delivery systems (SSCDS) have demonstrated comparable spray deposition and reduced off-target drift compared with axial-fan airblast sprayers in high-density apple orchards. An important next step is to quantify whether PSD-based SSCDS can provide effective pest management. This study evaluated the biological efficacy of this fixed spray system variant and compared it with that of an axial-fan airblast sprayer. Partial field trials were conducted in a commercial apple orchard (cv. Jazz) trained in tall spindle architecture. Insecticides were applied at a rate of 935 L ha OBLR mortality for SSCDS, airblast sprayer and untreated control treatments after 24 h of larval exposure was 91%, 98% and 4%, respectively and increased to 98%, 100% and 19% after 48 h. First-instar CM leaf bioassay mortality was 100% for SSCDS and airblast sprayer treatment, and 13% for the untreated control at 24 h post exposure. Larval CM mortality on fruit was 100% for SSCDS and airblast sprayer treatments, and 33% on the untreated control. Insecticides applied using SSCDS and an airblast sprayer had comparable larval mortality in all three assays, significantly higher than the untreated controls. These results suggest that PSD-based SSCDS may provide a viable alternative to axial-fan airblast sprayers in high-density apple orchards. © 2022 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

Sections du résumé

BACKGROUND BACKGROUND
Pneumatic spray delivery (PSD)-based solid set canopy delivery systems (SSCDS) have demonstrated comparable spray deposition and reduced off-target drift compared with axial-fan airblast sprayers in high-density apple orchards. An important next step is to quantify whether PSD-based SSCDS can provide effective pest management. This study evaluated the biological efficacy of this fixed spray system variant and compared it with that of an axial-fan airblast sprayer. Partial field trials were conducted in a commercial apple orchard (cv. Jazz) trained in tall spindle architecture. Insecticides were applied at a rate of 935 L ha
RESULTS RESULTS
OBLR mortality for SSCDS, airblast sprayer and untreated control treatments after 24 h of larval exposure was 91%, 98% and 4%, respectively and increased to 98%, 100% and 19% after 48 h. First-instar CM leaf bioassay mortality was 100% for SSCDS and airblast sprayer treatment, and 13% for the untreated control at 24 h post exposure. Larval CM mortality on fruit was 100% for SSCDS and airblast sprayer treatments, and 33% on the untreated control.
CONCLUSIONS CONCLUSIONS
Insecticides applied using SSCDS and an airblast sprayer had comparable larval mortality in all three assays, significantly higher than the untreated controls. These results suggest that PSD-based SSCDS may provide a viable alternative to axial-fan airblast sprayers in high-density apple orchards. © 2022 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

Identifiants

DOI: 10.1002/ps.7099 PMID: 35895013 PMC: PMC9805226
pubmed: 35895013
doi: 10.1002/ps.7099
pmc: PMC9805226
doi:

Substances chimiques

Insecticides 0

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

4793-4801

Informations de copyright

© 2022 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

Références

Insects. 2019 Jun 29;10(7):
pubmed: 31261916
J Insect Sci. 2006;6:1-7
pubmed: 19537964
Pest Manag Sci. 2022 Nov;78(11):4793-4801
pubmed: 35895013
J Insect Sci. 2005;5:14
pubmed: 16341246
J Insect Sci. 2011;11:161
pubmed: 22239247
Pest Manag Sci. 2019 Nov;75(11):3050-3059
pubmed: 30895726
J Insect Sci. 2008;8:14
pubmed: 20337564

Auteurs

Ramesh K Sahni (RK)

Center for Precision and Automated Agricultural Systems, Washington State University, Prosser, WA, USA.
Department of Biological Systems Engineering, Washington State University, Prosser, WA, USA.

Rakesh Ranjan (R)

Freshwater Institute, The Conservation Fund, Shepherdstown, WV, USA.

Gwen-Alyn Hoheisel (GA)

Center for Precision and Automated Agricultural Systems, Washington State University, Prosser, WA, USA.

Lav R Khot (LR)

Center for Precision and Automated Agricultural Systems, Washington State University, Prosser, WA, USA.
Department of Biological Systems Engineering, Washington State University, Prosser, WA, USA.
ORCID: 0000-0002-5018-7825

Elizabeth H Beers (EH)

Department of Entomology, Washington State University, Wenatchee, WA, USA.

Matthew J Grieshop (MJ)

The Grimm Family Center for Organic Production and Research, Cal Poly, San Luis Obispo, CA, USA.

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Classifications MeSH

questionsmedicales.fr › Eucaryotes › Animaux › Pneumatic spray delivery-based solid set...
questionsmedicales.fr › Actions chimiques et utilisations › Actions toxiques › Pesticides › Insecticides › Pneumatic spray delivery-based solid set...
questionsmedicales.fr › Phénomènes physiologiques › Croissance et développement › Morphogenèse › Métamorphose biologique › Étapes du cycle de vie › Larve › Pneumatic spray delivery-based solid set...
questionsmedicales.fr › Eucaryotes › Viridiplantae › Streptophyta › Embryophyta › Tracheobionta › Magnoliopsida › Rosanae › Rosales › Rosaceae › Malus › Pneumatic spray delivery-based solid set...
questionsmedicales.fr › Eucaryotes › Animaux › Invertébrés › Arthropodes › Insectes › Pterygota › Neoptera › Holometabola › Lepidoptera › Papillons de nuit › Pneumatic spray delivery-based solid set...
questionsmedicales.fr › Structures de plante › Parties aériennes de plante › Feuilles de plante › Pneumatic spray delivery-based solid set...