Heller, Dr. Werner E. (2009) Desinfektion von Gemüsesamen mit belüftetem Dampf. Paper at: 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.
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Summary in the original language of the document
Healthy seeds are a necessary condition for economic production of high quality
vegetables, not only in organic production. Seed health comprises not just high levels
of germination and emergence, but also absence of fungal infections. More than 200
genera of vegetable seed borne pathogenic fungi are listed in the literature: e.g.
Alternaria, Ascochyta, Botrytis, Bremia, Cercospora, Colletotrichum, Peronospora,
Phoma, Plasmopara, Phytophthora, Stemphylium, Septoria.
Hot water seed treatment or hot air treatment can be applied to disinfect vegetable
seeds. Both techniques result in an intensive soaking of the seeds, which makes
expensive drying necessary to avoid unwanted germination of the grains. Disinfection
of carrot seeds with aerated steam (90 sec./65° C.) completely eliminates fungal
contaminations without impairing germination percentage. Because of the limited
exposure time, little water is taken up by the grains, leading to comparably low drying
costs.
EPrint Type: | Conference paper, poster, etc. |
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Type of presentation: | Paper |
Keywords: | Keywords: Seed borne pathogens, vegetable seeds, steam disinfection |
Subjects: | Crop husbandry > Crop health, quality, protection |
Research affiliation: | International Conferences > 2009: Scientific Conference on Organic Agriculture > Pflanze und Boden > Gemüsebau / Sonderkulturen Switzerland > Agroscope > ACW - Research Centre Wädenswil International Conferences > 2009: Scientific Conference on Organic Agriculture > Pflanze und Boden > Pflanzengesundheit Switzerland > Agroscope |
Related Links: | http://www.wissenschaftstagung.de/, http://www.verlag-koester.de/buch.php?id=645&start=0&fb_id=37 |
Deposited By: | Heller, Dr. Werner E. |
ID Code: | 13973 |
Deposited On: | 05 May 2009 |
Last Modified: | 12 Apr 2010 07:37 |
Document Language: | German/Deutsch |
Status: | Published |
Refereed: | Peer-reviewed and accepted |
Additional Publishing Information: | Dieser Beitrag ist im Tagungsband der 10. Wissenschaftagung erschienen: Mayer, J.; Alföldi, T.; Leiber, F.; Dubois, D.; Fried, P.; Heckendorn, F.; Hillmann, E.; Klocke, P.; Lüscher, A.; Riedel, S.; Stolze, M.; Strasser, F.; van der Heijden, M. and Willer, H., (Hrsg.) (2009) Werte – Wege – Wirkungen: Biolandbau im Spannungsfeld zwischen Ernährungssicherung, Markt und Klimawandel. Beiträge zur 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009. Band 1: Boden, Pflanzenbau, Agrartechnik, Umwelt- und Naturschutz, Biolandbau international, Wissensmanagement Band 2: Tierhaltung, Agrarpolitik und Betriebswirtschaft, Märkte und Lebensmittel. Verlag Dr. Köster, Berlin. Der Tagungsband kann beim Verlag Dr. Köster bezogen werden; siehe http://www.verlag-koester.de/buch.php?id=645&start=0&fb_id=37 |
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