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Receiver Operating Characteristic curve analysis determines association of individual potato foliage volatiles with onion thrips preference, cultivar and plant age

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posted on 2023-05-19, 08:35 authored by Calum WilsonCalum Wilson, Noel DaviesNoel Davies, Stephen CorkreyStephen Corkrey, Annabel WilsonAnnabel Wilson, Mathews, AM, Westmore, GC
Tomato spotted wilt virus (TSWV) causes sporadic but serious disease in Australian potato crops. TSWV is naturally spread to potato by thrips of which Thrips tabaci is the most important. Prior studies indicated possible non-preference of potato cultivars to T. tabaci. Select potato cultivars were assessed for non-preference to T. tabaci in paired and group choice trials. Cultivars ‘Bismark’, ‘Tasman’ and ‘King Edward’ were less preferred than ‘Atlantic’, ‘Russet Burbank’ and ‘Shepody’. Green leaf volatiles were sampled using solid-phase microextraction from the headspace of potato cultivars of two ages that differed in T. tabaci preference. Analysis of headspace volatile data using Receiver Operating Characteristic curves identified individual volatiles associated with T. tabaci preference and non-preference, young and old plants and individual cultivars. These data could be used to inform breeding programs for selection of T. tabaci resistance to assist with TSWV management, and biological testing of novel thrips management compounds.

Funding

Australian Research Council

McCain Foods Limited

History

Publication title

PLoS ONE

Volume

12

Issue

7

Article number

e0181831

Number

e0181831

Pagination

1-17

ISSN

1932-6203

Department/School

Tasmanian Institute of Agriculture (TIA)

Publisher

Public Library of Science

Place of publication

United States

Rights statement

Copyright 2017 Wilson et al. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

Repository Status

  • Open

Socio-economic Objectives

Field grown vegetable crops

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    University Of Tasmania

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