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Control of the apple sawfly Hoplocampa testudinea Klug in organic fruit growing

Kienzle, J.; Zimmer, J.; Maxin, P.; Rank, H.; Bathon, H. and Zebitz, C.P.W. (2006) Control of the apple sawfly Hoplocampa testudinea Klug in organic fruit growing. [Zur Regulierung der Apfelsägewespe im Ökologischen Obstbau.] 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, pp. 25-29.

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Summary

The best application technique and application data for the treatments with Quassia extract against
the apple sawfly Hoplocampa testudinea Klug were tested. The spraying solution was distributed
best on the receptacle of the blossom – the place where the sawfly larvae feed before the enter the
blossom – when the treatment was effecttuated at fading blossom with a high amount of water
(about 500 l/ha/mTh). The addition of T/S forte, a wetting agent, could also improve the efficacy of
Quassia treatments in a lower dose. Thus, it is recommended to apply in fading blossom with addition
of T/S forte and high amounts of water to obtain the best effect. If the conditions for applications
are good and the infestation is not too high, the normally recommended dose of 6 g/ha/mTh
can even be reduced.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Sawfly, Hoplocampa, Quassia, application technique, BÖL, BOEL, FKZ 03OE524/2
Subjects: Crop husbandry > Crop health, quality, protection
Crop husbandry > Production systems > Fruit and berries
Research affiliation: International Conferences > 2006: Ecofruit
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.ecofruit.net
Deposited By: Tagung, Ecofruit
ID Code:13759
Deposited On:18 Sep 2008
Last Modified:12 Apr 2010 07:37
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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