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Rapid Emergence of Baculovirus Resistance in Codling Moth to Dominant, Sex-linked Inheritance Organic Eprints
Asser-Kaiser, Sabine; Fritsch, Eva; Undorf-Spahn, Karin; Kienzle, Jutta; Eberle, Karolin; Gund, Nadine; Reineke, Annette; Zebitz, Claus; Heckel, David; Jehle, Johannes.
Insect-specific baculoviruses are increasingly used as biocontrol agents of lepidopteran pests in agriculture and forestry, and thy have been previously regarded as robust to resistance development by the insects. However, in more than a dozen cases of field resistance of codling moth Cydia pomonella to commercially applied C. pomonella granulovirus (CpGV) in German orchards, resistance ratios exceed 1000. The rapid emergence of resistance is facilitated by sex-linkage and concentration dependant dominance of the major resistance gene and genetic uniformity of the virus. When the gene is fixed, resistance levels approach 100.000-fold. Our findings highlight the need for development of resistance management strategies for baculoviruses. (C)2007, American...
Tipo: Journal paper Palavras-chave: Crop health; Quality; Protection Fruit and berries.
Ano: 2007 URL: http://orgprints.org/15315/1/Asser%2DKaiser_et_al_2007.pdf
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Management der Minderempfindlichkeit von Apfelwicklerstämmen gegenüber dem Apfelwicklergranulovirus Organic Eprints
Jehle, Johannes A.; Asser-Kaiser, Sabine; Fritsch, Eva; Gund, Nadine A.; Heckel, David; Huber, Jürg; Kienzle, Jutta; Reineke, Annette; Schulze-Bopp, Stefanie; Undorf-Spahn, Karin; Zebitz, Claus P.W..
Das Apfelwicklergranulovirus (CpGV) ist effizientes biologisches Bekämpfungsmittel des Apfelwicklers mit großer Bedeutung im ökologischen und integrierten Kernobstbau. 2005 wurde erstmals eine Resistenz gegen CpGV in einzelnen Anlagen beobachtet. Um geeignete Hilfestellungen für den Obstbau zu entwickeln, wurden verschiedene Aspekte der CpGV-Resistenz aufgeklärt: 1. Bisher wurden mehr als 40 Apfelwicklerpopulationen in Europa mit CpGV-Resistenz gefunden. Sie kommen in Deutschland (26), Frankreich (2), Italien (6), Österreich (2), Schweiz (3), Niederlande (3) und Tschechien (1) vor. Vermutlich handelt es sich in allen Fällen um denselben Resistenztyp. 2. Die Resistenz wird durch einen ungewöhnlichen Vererbungsgang (einfaktoriell, Geschlechtschromosomal...
Tipo: Report Palavras-chave: Fruit and berries Crop health; Quality; Protection.
Ano: 2010 URL: http://orgprints.org/18236/1/18236%2D05OE023%2Ddlr_uni%2Dhohenheim%2Djehle%2D2010%2Dapfelwicklergranulovirus.pdf
Registros recuperados: 2
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