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Wirkung von Quassiaextrakt auf die Apfelsägewespe Hoplocampa testudinea Klug

Kienzle, Jutta; Zimmer, J.; Maxin, P.; Rank, H.; Bathon, H. and Zebitz, C.P.W. (2006) Wirkung von Quassiaextrakt auf die Apfelsägewespe Hoplocampa testudinea Klug. [Efficacy of Quassia extract on the apple sawfly Hoplocampa testudinea Klug.] In: Boos, Markus (Ed.) 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, Fördergemeinschaft Ökologischer Obstbau e.V. (FÖKO), Traubenplatz 5, D-74189 Weinsberg, pp. 239-242.

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Summary

The efficacy of Quassia extract with a standardized content of Quassin was proved in various field trials in different regions during three years. The amount of Quassin of 6 g/ha/m tree height will be recommended to practice. It is not important to have a contact effect on the eggs. The larvae must feed on the product before they enter the fruit. There is a very good efficacy on primaray infestation. Furthermore, there is even an effi-cacy on secondary infestation. Thus, even if due to difficult conditions during application or not optimal ter-mination of the treatment the efficacy on the primary infestation is not entirely sufficient, the secondary in-festation will be controlled better.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:Quassia, sawfly, Hoplocampa testudinea, BÖL, BOEL, FKZ 03OE524/2
Subjects: Crop husbandry > Crop health, quality, protection
Crop husbandry > Production systems > Fruit and berries
Research affiliation: Germany > Fördergemeinschaft Ökologischer Obstbau - FÖKO
Related Links:http://www.bundesprogramm-oekolandbau.de, http://www.bundesprogramm.de/fkz=03OE524/2, http://orgprints.org/perl/search/advanced?addtitle%2Ftitle=&keywords=03OE524/2&projects=BOEL&_order=bypublication&_action_search=Suchen, http://www.foeko.de/ecofruit.htm
Deposited By: Boos, Markus
ID Code:9028
Deposited On:28 Aug 2006
Last Modified:12 Apr 2010 07:33
Document Language:English
Status:Published
Refereed: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

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