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Thinning of Elstar with lime sulfur in Nothern Germany

Clever, Michael (2006) Thinning of Elstar with lime sulfur in Nothern Germany. [Ausdünnung von Elstar mit Schwefelkalk in Norddeutschland.] 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. 213-217.

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Summary

Thinning trials with lime sulphur in comparison to other products were carried out for 4 years in an ‘Elstar
orchard’ at the OVB Jork in Northern Germany. Beside the yield, the influence on fruit size, colour, russetting
and return bloom of treated trees were observed. Mechanic thinning was too strong and had other negative
effects. Thinning with potato meal and coconut soap had no effect. Organic oil (Telmion) reduced the yield
between 0 and 20%. Lime sulphur reduced the yield 0 – 40% in comparison of the concentration and the
number of applications. There were great fluctuations from year to year. In conclusion lime sulphur gives the
best results, but the variation from year to year is not acceptable for a practical advising in the northern area
of Germany.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Ausdünnung, ökologischer Apfelanbau, Apfel, Schwefelkalk
Subjects: Crop husbandry > Crop health, quality, protection
Crop husbandry > Production systems > Fruit and berries
Research affiliation: International Conferences > 2006: Ecofruit
Related Links:http://www.ecofruit.net
Deposited By: Tagung, Ecofruit
ID Code:13866
Deposited On:08 Sep 2008
Last Modified:12 Apr 2010 07:37
Document Language:German - Deutsch
Status:Published
Refereed:Peer-reviewed and accepted

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