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Die gute alte Fruchtfolge als Bekämpfungsmethode gegen den Maiswurzelbohrer (Diabrotica virgifera virgifera LeConte)

Bertossa, M.; Schaub, L. and Colombi, L. (2009) Die gute alte Fruchtfolge als Bekämpfungsmethode gegen den Maiswurzelbohrer (Diabrotica virgifera virgifera LeConte). Paper at: 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

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Summary

Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae), the western corn rootworm
(WCR), is an immigrant from North America and one of the top ten global agricultural
pest species. Within the last 15 years, WCR invaded Europe at 3 focal points, and has
been steadily extending its domain soon threatening commercial maize production.
After the first detection in Switzerland in 2000 near Lugano, careful observations by
pheromone trap monitoring of this quarantine organism have been realized.
Experiences with WCR whose populations dynamics are incompletely understood,
have also been studied by installing a continuous maize field comparing population
dynamics with rotated maize fields in the immediate surroundings. Our experiences
with WCR populations in the Swiss territory are here briefly summarized:
1. Mandatory crop rotation in the canton Ticino slowed spread of WCR significantly.
WCR infestations north of the main Alpine mountain chain were rare and eradicated
by crop rotation. 2. In a continuous maize cropping system population of WCR can
reach economic damage level, but can also be confined by unknown factors 3.
Switzerland with its rigorous crop rotation program may serve as an example of farsighted
WCR management preserving environment and saving money.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Western corn rootworm, quarantine pest, crop rotation, biological control
Subjects: Crop husbandry > Crop health, quality, protection
Research affiliation: Switzerland > Agroscope > ACW - Research Centre Changins
International Conferences > 2009: Scientific Conference on Organic Agriculture > Pflanze und Boden > Pflanzengesundheit
Related Links:http://www.wissenschaftstagung.de/, http://www.verlag-koester.de/buch.php?id=645&start=0&fb_id=37
Deposited By: Bertossa, Mario
ID Code:14414
Deposited On:14 Apr 2009
Last Modified:12 Apr 2010 07:38
Document Language:German - Deutsch
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:Dieser Beitrag ist im Tagungsband der 10. Wissenschaftagung erschienen:
Mayer, J.; Alföldi, T.; Leiber, F.; Dubois, D.; Fried, P.; Heckendorn, F.; Hillmann, E.; Klocke, P.; Lüscher, A.; Riedel, S.; Stolze, M.; Strasser, F.; van der Heijden, M. and Willer, H., (Hrsg.) (2009) Werte – Wege – Wirkungen: Biolandbau im Spannungsfeld zwischen Ernährungssicherung, Markt und Klimawandel. Beiträge zur 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.
Band 1: Boden, Pflanzenbau, Agrartechnik, Umwelt- und Naturschutz, Biolandbau international, Wissensmanagement
Band 2: Tierhaltung, Agrarpolitik und Betriebswirtschaft, Märkte und Lebensmittel.
Verlag Dr. Köster, Berlin.
Der Tagungsband kann beim Verlag Dr. Köster bezogen werden; siehe http://www.verlag-koester.de/buch.php?id=645&start=0&fb_id=37

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