8808: Biologische Bekämpfung der Blutlaus Eriosoma lanigerum HAUSM. durch den Einsatz der Blutlauszehrwespe Aphelinus mali HALD. [Biological Control of Woolly Apple Aphid (Eriosoma lanigerum HAUSM.) with Aphelinus mali HALD.]
(2006) Biologische Bekämpfung der Blutlaus Eriosoma lanigerum HAUSM. durch den Einsatz der Blutlauszehrwespe Aphelinus mali HALD. [Biological Control of Woolly Apple Aphid (Eriosoma lanigerum HAUSM.) with Aphelinus mali HALD.]. Paper presented at ecofruit - 12th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing, Weinsberg/Germany, 31.1.-2.2.2006; Published in Boos, Markus, Eds. ecofruit - 12th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing: Proceedings to the Conference from 31st January to 2nd February 2006 at Weinsberg/Germany, page pp. 36-42. Fördergemeinschaft Ökologischer Obstbau e.V. (FÖKO), Traubenplatz 5, D-74189 Weinsberg.
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Summary
The release of Aphelinus mali HALD. from artificial rearing for the control of Woolly Apple Aphid (Eriosoma lanigerum HAUSM.) was tested in field trials. The release of adults proved to be more suitable than the release of cards with parasitized mummies as practised in the first trial. Setting free adult A. mali at the beginning of June reduced the aphid population, though its efficiency was not high enough to prevent damage of the trees totally. The practical applications of A. mali in early spring (after blossom) were not effective because climatic conditions were not suitable enough. The fertility of A. mali depends on temperature and light intensity.
The application of Micula (rape oil) and T-S forte reduced the growth of the aphid population effectively. These substances may be used in a combined strategy to improve the successful subsequent release of A. mali. Possible phytotoxic effects, however, must be considered in this context.
| Document Language: | Deutsch - German |
|---|---|
| Keywords: | Aphelinus mali, Eriosoma lanigerum, Woolly Apple Aphid, Blutlaus, Blutlauszehrwespe, Apfel |
| Subject Areas: | Crop husbandry > Crop health, quality, protection Crop husbandry > Production systems > Fruit and berries |
| Research affiliation: | Germany > Fördergemeinschaft Ökologischer Obstbau |
| Total budget (Euro): | 0 |
| Orgprints ID Number: | 8808 |
| Contact: | Boos, Markus |
| Deposited On: | 11 July 2006 |
| EPrint Type: | Conference paper |
| Published?: | Published |
| Peer Review Status: | Peer-reviewed and accepted |
| Additional Publishing Information: | The proceedings are available as paperback at Fördergemeinschaft Ökologischer Obstbau e.V. (FÖKO), Traubenplatz 5, D-74189 Weinsberg, www.foeko.de |
| Related Links: | http://www.foeko.de/ecofruit.htm |
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