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Volatiles of the entomopathogenic fungus, Metarhizium brunneum, attract and kill plant parasitic nematodes
Biological Control, Volume: 152, Start page: 104472
Swansea University Authors: Salim Khoja , Khalifa Eltayef, James Bull , Tariq Butt
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DOI (Published version): 10.1016/j.biocontrol.2020.104472
Abstract
Root knot nematodes (RKNs) cause significant crop losses. Although RKNs and entomopathogenic fungi, such as Metarhizium brunneum, are associated with plant roots, very little is known about the interactions between these two organisms. This study showed that conidia and VOCs of Me. brunneum influenc...
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ISSN: | 1049-9644 |
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Elsevier BV
2020
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2021-05-26T15:08:28.0321544 v2 55599 2020-11-05 Volatiles of the entomopathogenic fungus, Metarhizium brunneum, attract and kill plant parasitic nematodes 7b244b69ad0a81fc0cabd6b8ae7e9f1f 0000-0003-3763-6769 Salim Khoja Salim Khoja true false 2ab6682d322d36d9ed3dbbf95e17e8a0 Khalifa Eltayef Khalifa Eltayef true false 20742518482c020c80b81b88e5313356 0000-0002-4373-6830 James Bull James Bull true false 85d1c2ddde272a1176e74978e25ebece 0000-0002-8789-9543 Tariq Butt Tariq Butt true false 2020-11-05 SBI Root knot nematodes (RKNs) cause significant crop losses. Although RKNs and entomopathogenic fungi, such as Metarhizium brunneum, are associated with plant roots, very little is known about the interactions between these two organisms. This study showed that conidia and VOCs of Me. brunneum influenced the behaviour of M. hapla. The response was dependent on the fungal strain, VOC, concentration of both VOC and conidia, and time. Tomatoes planted in soil treated with the highest doses of conidia usually had a higher number of nematodes than untreated control plants. This was particularly obvious for Me. brunneum strain ARSEF 4556, 7 and 14-days post-treatment. The VOCs, 1-octen-3-ol and 3-octanone, lured M. hapla to plants when used at low doses and repelled them at high doses. In Petri dish assays. the VOCs 1-octen-3-ol and 3-octanone, caused 100% mortality of M. hapla at the highest dose tested (20µl). Very few live M. hapla were recovered from soil treated with the VOC 1-octen-3-ol, especially at the highest doses tested. Journal Article Biological Control 152 104472 Elsevier BV 1049-9644 Plant parasitic nematodes, Fungal volatiles, Metarhizium, Repellents, Attractants 4 11 2020 2020-11-04 10.1016/j.biocontrol.2020.104472 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University This work was supported by a BBSRC NPRONET grant BIV021 and the Impact 337Acceleration Account grant EP/R511614/1 for Swansea University from the UK 338Engineering and Physical Sciences Research Council (EPSRC). The authors also 339thank Certis Europe BV for funding the research. 2021-05-26T15:08:28.0321544 2020-11-05T10:54:08.7191434 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Salim Khoja 0000-0003-3763-6769 1 Khalifa Eltayef 2 Ian Baxter 3 Arben Myrta 4 James Bull 0000-0002-4373-6830 5 Tariq Butt 0000-0002-8789-9543 6 55599__18680__c788a27aa6474a54a73e61037f0ca733.pdf 55599.VOR.pdf 2020-11-17T12:13:11.4515821 Output 6378677 application/pdf Version of Record true © 2020 Author(s). Distributed under the terms of a Creative Commons 4.0 Attribution License (CC-BY). true eng http://creativecommons.org/licenses/by/4.0/ |
title |
Volatiles of the entomopathogenic fungus, Metarhizium brunneum, attract and kill plant parasitic nematodes |
spellingShingle |
Volatiles of the entomopathogenic fungus, Metarhizium brunneum, attract and kill plant parasitic nematodes Salim Khoja Khalifa Eltayef James Bull Tariq Butt |
title_short |
Volatiles of the entomopathogenic fungus, Metarhizium brunneum, attract and kill plant parasitic nematodes |
title_full |
Volatiles of the entomopathogenic fungus, Metarhizium brunneum, attract and kill plant parasitic nematodes |
title_fullStr |
Volatiles of the entomopathogenic fungus, Metarhizium brunneum, attract and kill plant parasitic nematodes |
title_full_unstemmed |
Volatiles of the entomopathogenic fungus, Metarhizium brunneum, attract and kill plant parasitic nematodes |
title_sort |
Volatiles of the entomopathogenic fungus, Metarhizium brunneum, attract and kill plant parasitic nematodes |
author_id_str_mv |
7b244b69ad0a81fc0cabd6b8ae7e9f1f 2ab6682d322d36d9ed3dbbf95e17e8a0 20742518482c020c80b81b88e5313356 85d1c2ddde272a1176e74978e25ebece |
author_id_fullname_str_mv |
7b244b69ad0a81fc0cabd6b8ae7e9f1f_***_Salim Khoja 2ab6682d322d36d9ed3dbbf95e17e8a0_***_Khalifa Eltayef 20742518482c020c80b81b88e5313356_***_James Bull 85d1c2ddde272a1176e74978e25ebece_***_Tariq Butt |
author |
Salim Khoja Khalifa Eltayef James Bull Tariq Butt |
author2 |
Salim Khoja Khalifa Eltayef Ian Baxter Arben Myrta James Bull Tariq Butt |
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Biological Control |
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10.1016/j.biocontrol.2020.104472 |
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Elsevier BV |
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description |
Root knot nematodes (RKNs) cause significant crop losses. Although RKNs and entomopathogenic fungi, such as Metarhizium brunneum, are associated with plant roots, very little is known about the interactions between these two organisms. This study showed that conidia and VOCs of Me. brunneum influenced the behaviour of M. hapla. The response was dependent on the fungal strain, VOC, concentration of both VOC and conidia, and time. Tomatoes planted in soil treated with the highest doses of conidia usually had a higher number of nematodes than untreated control plants. This was particularly obvious for Me. brunneum strain ARSEF 4556, 7 and 14-days post-treatment. The VOCs, 1-octen-3-ol and 3-octanone, lured M. hapla to plants when used at low doses and repelled them at high doses. In Petri dish assays. the VOCs 1-octen-3-ol and 3-octanone, caused 100% mortality of M. hapla at the highest dose tested (20µl). Very few live M. hapla were recovered from soil treated with the VOC 1-octen-3-ol, especially at the highest doses tested. |
published_date |
2020-11-04T04:09:56Z |
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11.013148 |