Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field

Wood, Martyn J.; Kortsinoglou, Alexandra M.; Bull, James; Eastwood, Dan; Kouvelis, Vassili N.; Bourdon, Pierre-Antoine; Loveridge, Joel; Mathias, Stephen; Meyrick, Abigail; Midthassel, Audun; Myrta, Arben; Butt, Tariq

doi:10.3390/jof9060599

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Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field

Martyn J. Wood, Alexandra M. Kortsinoglou

, James Bull

, Dan Eastwood

, Vassili N. Kouvelis

, Pierre-Antoine Bourdon

, Joel Loveridge

, Stephen Mathias, Abigail Meyrick, Audun Midthassel, Arben Myrta, Tariq Butt

Journal of Fungi, Volume: 9, Issue: 6, Start page: 599

Swansea University Authors: James Bull , Dan Eastwood , Pierre-Antoine Bourdon , Joel Loveridge , Tariq Butt

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DOI (Published version): 10.3390/jof9060599

Abstract

Wireworm, the larval stages of click beetles, are a serious pest of tubers, brassicas and other important commercial crops throughout the northern hemisphere. No effective control agent has been developed specifically for them, and many of the pesticides marketed as having secondary application agai...

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Published in:	Journal of Fungi
ISSN:	2309-608X
Published:	MDPI AG 2023
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No effective control agent has been developed specifically for them, and many of the pesticides marketed as having secondary application against them have been withdrawn from EU and Asian markets. Metarhizium brunneum, an effective entomopathogenic fungus, and its derived volatile metabolites are known to be effective plant biostimulants and plant protectants, although field efficacy has yet to be validated. Field validation of a combined M. brunneum and derived VOC treatments was conducted in Wales, UK, to assess the effects of each as a wireworm control agent and biostimulant. Plots were treated with Tri-Soil (Trichoderma atroviridae), M. brunneum, 1-octen-3-ol or 3-octanone, or combinations thereof. Treatments were applied subsurface during potato seeding (n = 52), and potatoes were harvested at the end of the growing season. Each potato was weighed individually and scored for levels of wireworm damage. Applications of both the VOCs and the M. brunneum individually were found to significantly decrease wireworm burden (p < 0.001). Combinations of M. brunneum and 3-octanone were also found to significantly decrease wireworm damage (p < 0.001), while no effect on yield was reported, resulting in an increased saleable mass over controls (p < 0.001). 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spelling	v2 65140 2023-11-28 Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field 20742518482c020c80b81b88e5313356 0000-0002-4373-6830 James Bull James Bull true false 4982f3fa83886c0362e2bb43ce1c027f 0000-0002-7015-0739 Dan Eastwood Dan Eastwood true false 1a5f204bb68a6872d09e56c7eb66cfe3 0000-0003-1884-137x Pierre-Antoine Bourdon Pierre-Antoine Bourdon true false 5dd2760b388ec3cc2af33bb62f3f151a 0000-0002-8528-4019 Joel Loveridge Joel Loveridge true false 85d1c2ddde272a1176e74978e25ebece 0000-0002-8789-9543 Tariq Butt Tariq Butt true false 2023-11-28 SBI Wireworm, the larval stages of click beetles, are a serious pest of tubers, brassicas and other important commercial crops throughout the northern hemisphere. No effective control agent has been developed specifically for them, and many of the pesticides marketed as having secondary application against them have been withdrawn from EU and Asian markets. Metarhizium brunneum, an effective entomopathogenic fungus, and its derived volatile metabolites are known to be effective plant biostimulants and plant protectants, although field efficacy has yet to be validated. Field validation of a combined M. brunneum and derived VOC treatments was conducted in Wales, UK, to assess the effects of each as a wireworm control agent and biostimulant. Plots were treated with Tri-Soil (Trichoderma atroviridae), M. brunneum, 1-octen-3-ol or 3-octanone, or combinations thereof. Treatments were applied subsurface during potato seeding (n = 52), and potatoes were harvested at the end of the growing season. Each potato was weighed individually and scored for levels of wireworm damage. Applications of both the VOCs and the M. brunneum individually were found to significantly decrease wireworm burden (p < 0.001). Combinations of M. brunneum and 3-octanone were also found to significantly decrease wireworm damage (p < 0.001), while no effect on yield was reported, resulting in an increased saleable mass over controls (p < 0.001). Herein, we present a novel ‘stimulate and deter’ wireworm control strategy that can be used to significantly enhance saleable potato yields and control wireworm populations, even under high pest pressure densities. Journal Article Journal of Fungi 9 6 599 MDPI AG 2309-608X Metarhizium brunneum; volatile organic compounds; potato; wireworm; repellent 23 5 2023 2023-05-23 10.3390/jof9060599 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University Other This project was partly funded by the European Regional Development Fund (ERDF) through the Welsh Government’s SMART Expertise programme for West Wales and the Valleys. 2024-03-07T12:48:20.0916477 2023-11-28T15:53:52.5815704 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Martyn J. Wood 1 Alexandra M. Kortsinoglou 0000-0002-4667-7290 2 James Bull 0000-0002-4373-6830 3 Dan Eastwood 0000-0002-7015-0739 4 Vassili N. Kouvelis 0000-0001-6753-0872 5 Pierre-Antoine Bourdon 0000-0003-1884-137x 6 Joel Loveridge 0000-0002-8528-4019 7 Stephen Mathias 8 Abigail Meyrick 9 Audun Midthassel 10 Arben Myrta 11 Tariq Butt 0000-0002-8789-9543 12 65140__29140__9277d9d5b6564f19a608c805a2b07dbc.pdf jof-09-00599.pdf 2023-11-28T15:56:32.5495959 Output 1966360 application/pdf Version of Record true Copyright: © 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license. true eng https:// creativecommons.org/licenses/by/ 4.0/
title	Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field
spellingShingle	Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field James Bull Dan Eastwood Pierre-Antoine Bourdon Joel Loveridge Tariq Butt
title_short	Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field
title_full	Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field
title_fullStr	Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field
title_full_unstemmed	Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field
title_sort	Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field
author_id_str_mv	20742518482c020c80b81b88e5313356 4982f3fa83886c0362e2bb43ce1c027f 1a5f204bb68a6872d09e56c7eb66cfe3 5dd2760b388ec3cc2af33bb62f3f151a 85d1c2ddde272a1176e74978e25ebece
author_id_fullname_str_mv	20742518482c020c80b81b88e5313356_*_James Bull 4982f3fa83886c0362e2bb43ce1c027f__Dan Eastwood 1a5f204bb68a6872d09e56c7eb66cfe3__Pierre-Antoine Bourdon 5dd2760b388ec3cc2af33bb62f3f151a__Joel Loveridge 85d1c2ddde272a1176e74978e25ebece_**_Tariq Butt
author	James Bull Dan Eastwood Pierre-Antoine Bourdon Joel Loveridge Tariq Butt
author2	Martyn J. Wood Alexandra M. Kortsinoglou James Bull Dan Eastwood Vassili N. Kouvelis Pierre-Antoine Bourdon Joel Loveridge Stephen Mathias Abigail Meyrick Audun Midthassel Arben Myrta Tariq Butt
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container_title	Journal of Fungi
container_volume	9
container_issue	6
container_start_page	599
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institution	Swansea University
issn	2309-608X
doi_str_mv	10.3390/jof9060599
publisher	MDPI AG
college_str	Faculty of Science and Engineering
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description	Wireworm, the larval stages of click beetles, are a serious pest of tubers, brassicas and other important commercial crops throughout the northern hemisphere. No effective control agent has been developed specifically for them, and many of the pesticides marketed as having secondary application against them have been withdrawn from EU and Asian markets. Metarhizium brunneum, an effective entomopathogenic fungus, and its derived volatile metabolites are known to be effective plant biostimulants and plant protectants, although field efficacy has yet to be validated. Field validation of a combined M. brunneum and derived VOC treatments was conducted in Wales, UK, to assess the effects of each as a wireworm control agent and biostimulant. Plots were treated with Tri-Soil (Trichoderma atroviridae), M. brunneum, 1-octen-3-ol or 3-octanone, or combinations thereof. Treatments were applied subsurface during potato seeding (n = 52), and potatoes were harvested at the end of the growing season. Each potato was weighed individually and scored for levels of wireworm damage. Applications of both the VOCs and the M. brunneum individually were found to significantly decrease wireworm burden (p < 0.001). Combinations of M. brunneum and 3-octanone were also found to significantly decrease wireworm damage (p < 0.001), while no effect on yield was reported, resulting in an increased saleable mass over controls (p < 0.001). Herein, we present a novel ‘stimulate and deter’ wireworm control strategy that can be used to significantly enhance saleable potato yields and control wireworm populations, even under high pest pressure densities.
published_date	2023-05-23T12:48:17Z
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Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field

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