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Wirkung verschiedener Insektizide und Repellentien gegen den Gemeinen Birnenblattsauger (Cacopsylla pyri)

Daniel, Claudia and Wyss, Eric (2004) Wirkung verschiedener Insektizide und Repellentien gegen den Gemeinen Birnenblattsauger (Cacopsylla pyri). [Efficacy of different insecticides and a repellent against the European pear sucker (Cacopsylla pyri).] In: Fördergemeinschaft Ökologischer Obstbau e.V.: 11th Conference on Cultivation Technique und Phytopathological Problems in Organic Fruit Growing. Proceedings to the Conference February 3rd to 5th 2004 at Weinsberg / Germany. D-Weinsberg.

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Summary

The efficacy of different insecticides (neem, pyrethrin, spinosad, and rotenone) and a repellent (kaolin) applied with different strategies (single or repeated applications) against the over-wintering pear suckers (Cacopsylla pyri) and nymphs of the first generation was tested in a field trial in Switzerland in spring 2003. Rotenone, the only admitted product in Swiss organic agriculture, showed good effects. But, since Rotenone is toxic for non-target insects we looked for an alternative. The application of spinosad (Audienz) in combination with rape oil (Telmion) as well as the application of pyrethrum showed similar efficacy as rotenone. Neem had no or a very low impact on the pear sucker populations. The repellent kaolin (Surround® WP) showed the best efficacy against the European pear sucker: triple application of kaolin before blossom was most efficient. Since kaolin is not toxic for beneficials this product might be an alternative to rotenone.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:PSSN2 Entomologie Obstbau, Birnenblattsauger, Cacopsylla pyri, insecticide, rotenone, neem, pyrethrin, spinosad, Kaolin, Surround® WP, particle film technology, Entomologie Obstbau
Subjects: Crop husbandry > Crop health, quality, protection
Crop husbandry > Production systems > Fruit and berries
Research affiliation: Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Entomolgy
Related Links:http://www.foeko.de, http://www.fibl.org/forschung/pflanzenschutz-nuetzlinge/obstbau/kaolinbehandlung.php, http://orgprints.org/perl/search/advanced?addtitle%2Ftitle=&addtitle%2Ftitle_merge=ALL&authors=&authors_merge=ALL&editors=&editors_merge=ALL&abstract%2Fengabstract=&abstract%2Fengabstract_merge=ALL&keywords=Entomologie+Obstbau%2C+Kaolinbehandlungen&keywor
Deposited By: Daniel, Dr. Claudia
ID Code:2580
Deposited On:10 May 2004
Last Modified:12 Apr 2010 07:29
Document Language:English
Status:Published
Refereed:Not peer-reviewed

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