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Results of a Research Project about the influence of pruning intensity on cost of thinning by hand with the Variety ’Elstar’ in 2004 and 2005

Eis, Birgit (2006) Results of a Research Project about the influence of pruning intensity on cost of thinning by hand with the Variety ’Elstar’ in 2004 and 2005. [Ergebnisse aus dem Forschungsprojekt über den Einfluss der Schnittstärke auf den Handausdünnungsaufwand bei der Sorte ‘Elstar‘ in den Jahren 2004 und 2005.] 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), , Weinsberg, Germany, pp. 198-203.

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Summary

This trial took place in an organic fruit growing farm located near Lake Constance with the variety ‘Elstar’
planted in 1995. In 2004 and 2005 one variant (control) was pruned normally during the winter, the other
variant was pruned more intensively to reduce the amount of flower buds. In 2004 at both variants the number
of apples was reduced to 165 apples/tree at the end of May. Time for thinning by hand was cut down
significantly in the intensively pruned variant. In addition at harvest the number of apples with bigger diameters,
especially 75-80 mm, increased. Moreover the number of flower buds for the next season rose by 20 %.
Therefore in 2005 the yield per tree at the intensively pruned variant increased about 15 %, but also the
working hours for pruning rose, too. The research project was financed by the Bundesprogramm Ökologischer
Landbau.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Apple, thinning, pruning, working hours, BÖL, BOEL, FKZ 03OE088
Subjects: Crop husbandry > Crop health, quality, protection
Crop husbandry > Production systems > Fruit and berries
Research affiliation: Germany > Federal Organic Farming Scheme - BOELN > Plants > Pflanzenbau
Germany > Fördergemeinschaft Ökologischer Obstbau - FÖKO
International Conferences > 2006: Ecofruit
Related Links:http://www.ecofruit.net, http://www.foeko.de/ecofruit.htm, http://www.bundesprogramm-oekolandbau.de, http://bundesprogramm.de/fkz=03OE088, http://orgprints.org/perl/search/advanced?addtitle%2Ftitle=&keywords=03OE088&projects=BOEL&_order=bypublication&_action_search=Suchen
Deposited By: Tagung, Ecofruit
ID Code:13862
Deposited On:08 Sep 2008
Last Modified:30 Aug 2010 08:57
Document Language:German - Deutsch
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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