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J Fungi (Basel)

Title:		Evaluation of Metarhizium brunneum- and Metarhizium-Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field
Author(s):		Wood MJ; Kortsinoglou AM; Bull JC; Eastwood DC; Kouvelis VN; Bourdon PA; Loveridge EJ; Mathias S; Meyrick A; Midthassel A; Myrta A; Butt T;
Address:		"Department of Biosciences, Swansea University, Singleton Park, Swansea SA2 8PP, UK. Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology Hellas, 73100 Heraklion, Greece. Department of Biology, Section of Genetics and Biotechnology, National and Kapodistrian University of Athens, 15772 Athens, Greece. Department of Chemistry, Swansea University, Singleton Park, Swansea SA2 8PP, UK. Puffin Produce Ltd., Withybush, Haverfordwest SA62 4BS, UK. Certis Belchim BV, R & D Department, 3521 AZ Utrecht, The Netherlands"
Journal Title:		J Fungi (Basel)
Year:		2023
Volume:		20230523
Issue:		6
Page Number:		-
DOI:		10.3390/jof9060599
ISSN/ISBN:		2309-608X (Electronic) 2309-608X (Linking)
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specifically for them, and many of the pesticides marketed as having secondary application against them have been withdrawn from EU and Asian markets.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"
Keywords:		Metarhizium brunneum potato repellent volatile organic compounds wireworm;
Notes:		"PubMed-not-MEDLINEWood, Martyn J Kortsinoglou, Alexandra M Bull, James C Eastwood, Daniel C Kouvelis, Vassili N Bourdon, Pierre A Loveridge, E Joel Mathias, Stephen Meyrick, Abigail Midthassel, Audun Myrta, Arben Butt, Tariq eng N/A/European Regional Development Fund and Welsh Government Smart Experitise/ Switzerland 2023/06/27 J Fungi (Basel). 2023 May 23; 9(6):599. doi: 10.3390/jof9060599"