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8823: Efficacy of Armicarb (potassium bicarbonate) against scab and sooty blotch on apples

Tamm, Lucius; Amsler, Thomas; Schärer, Hansjakob and Refardt, Matthias (2006) Efficacy of Armicarb (potassium bicarbonate) against scab and sooty blotch on apples. Paper presented at ecofruit - 12th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing, Weinsberg/Germany, 31.1.-2.2.2006; Published in Boos, Markus, Eds. 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, page pp. 87-92. Fördergemeinschaft Ökologischer Obstbau e.V. (FÖKO), Traubenplatz 5, D-74189 Weinsberg.

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Summary

A novel formulation of potassium bicarbonate (Armicarb) was evaluated in 2004 and 2005 as agent against apple scab (3 field trials) and sooty blotch (2 field trials). Armicarb controlled scab equally well as the reference treatments sulphur and copper. Armicarb showed also excellent activity against sooty blotch. However, potential side-effects such as lenticell spot development need further investigation. At present, potassium bicarbonate is considered by the Swiss registration authorities as non-toxic to humans and in consequence, no residue levels have been specified. Armicarb has very interesting properties as a plant protection agent and its composition and risk profile are expected to fulfil the IFOAM standards for acceptance of novel plant protection agents to a very large extent.

Document Language:English
Keywords:apple scab, Venturia inaequalis, sooty blotch, Armicarb, potassium bicarbonate, Myco-Sin, Sulphur, Cocana RF, Pflanzenschutz, Pflanzenkrankheiten, Mittelprüfung, Pflanzenbehandlungsmittel
Subject Areas: Crop husbandry > Crop health, quality, protection
Crop husbandry > Production systems > Fruit and berries
Research affiliation: International Conferences > 2006: Ecofruit
Germany > Fördergemeinschaft Ökologischer Obstbau
Total budget (Euro):0
Orgprints ID Number:8823
Contact:Boos, Markus
Deposited On:11 July 2006
EPrint Type:Conference paper
Published?:Published
Peer Review Status: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
Related Links:http://www.foeko.de/ecofruit.htm

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