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Field efficacy of new compounds to replace copper for scab control in organic apple production

Heijne, B.; de Jong, P.F.; Lindhard Pedersen, H.; Paaske, K.; Bengtsson, M. and Hockenhull, J. (2007) Field efficacy of new compounds to replace copper for scab control in organic apple production. Paper at: 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

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Summary

Efficacy of compounds was investigated in field experiments in Denmark and the Netherlands according to EPPO guidelines. Some Yucca extracts and potassium bicarbonate had an efficacy similar to sulphur on leaves. Addition of sulphur to Yucca 1 and to potassium bicarbonate increased the level of efficacy to that of copper. This confirms results from earlier years. Although a dose increase resulted in better efficacy, this was more prominent for Yucca1 than for potassium bicarbonate.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:fruit growing, Venturia inaequalis, disease, Yucca, potassium bicarbonate
Subjects: Crop husbandry > Crop health, quality, protection
Research affiliation: Netherlands > Wageningen University and Research Centre WUR > Applied Plant Research PPO
International Conferences > 2007: 3rd QLIF Congress > 3 Crop production / soil management
European Union > REPCO
Related Links:http://orgprints.org/10417/
Deposited By: Heijne, Bart
ID Code:9449
Deposited On:12 Mar 2007
Last Modified:12 Apr 2010 07:34
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information: The final version of this paper is published in:
Niggli, Urs; Leifert, Carlo; Alföldi, Thomas; Lück, Lorna and Willer, Helga, Eds. (2007) Improving Sustainability in Organic and Low Input Food Production Systems. Proceedings of the 3rd International Congress of the European Integrated Project Quality Low Input Food (QLIF). University of Hohenheim, Germany, March 20 – 23, 2007. Research Institute of Organic Agriculture FiBL, CH-Frick.http://orgprints.org/10417/
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