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Biologische Bekämpfung von Drahtwürmern mit entomopathogenen Pilzen

Eckard, Sonja; Ansari, Minshad Ali; Schweizer, Christian; Butt, Tariq M. and Grabenweger, Giselher (2013) Biologische Bekämpfung von Drahtwürmern mit entomopathogenen Pilzen. Paper at: 12. Wissenschaftstagung Ökologischer Landbau, Rheinische Friedrich-Wilhelms-Universität, Bonn, 5. bis 8. März 2013.

PDF - Accepted Version - German/Deutsch


We investigated the virulence of three European isolates of the entomopathogenic fungus (EPF) Metarhizium anisopliae against three wireworm species which are important pests of arable crops and vegetables in Europe: Agriotes lineatus, A. obscurus and A. sputator. In laboratory experiments, up to 90 % of the wireworms were killed by the fungus, depending on the fungal isolate and the wireworm species. Speed of kill was generally low with first wireworms showing unambiguous signs of fungal disease after two to three weeks. Maximum mortality rates were reached after six to eight weeks post inoculation. The next steps of this investigation will be to determine the most suitable fungal isolate and the validation of the laboratory results under greenhouse and field conditions. The aim of the study is to develop an easily applicable formulation with the most effective EPF isolate as the main active ingredient. In addition, applications of the EPF will be combined with entomoparasitic nematodes (EPNs) and repellent semiochemicals. Possible synergistic interactions between EPFs and EPNs or repellents may contribute significantly to improved biological control of wireworms.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Drahtwurm, Agriotes, Kartoffel, Metarhizium anisopliae, Virulenz
Subjects:"Organics" in general
Crop husbandry
Crop husbandry > Crop health, quality, protection
Research affiliation: Switzerland > Agroscope > ART - Reckenholz location
International Conferences > 2013: Scientific Conference Organic Agriculture > Plant & soil
H2020 or FP7 Grant Agreement Number:282767
Related Links:http://www.wissenschaftstagung.de/, https://www.verlag-koester.de/index.php?id=114&tx_fbmagento[shop][route]=catalog&tx_fbmagento[shop][controller]=product&tx_fbmagento[shop][action]=view&tx_fbmagento[shop][id]=1137&tx_fbmagento[shop][s]=beitrage-zur-12-wissenschaftstagung-okologischer-land
Deposited By: Eckard, Sonja
ID Code:21438
Deposited On:09 Sep 2013 12:32
Last Modified:11 Nov 2013 16:51
Document Language:German/Deutsch
Refereed:Peer-reviewed and accepted
Additional Publishing Information:Dieser Beitrag ist im Tagungsband der 12. Wissenschaftstagung erschienen.
Dr. D. Neuhoff, C. Stumm, S. Ziegler u.a. (Hrsg.)
Beiträge zur 12. Wissenschaftstagung Ökologischer Landbau
Ideal und Wirklichkeit: Perspektiven ökologischer Landbewirtschaftung
Erscheinungsjahr: 2013
ISBN-13: 9783895748158
Verlag Dr. Köster, Berlin

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