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SOIL FUMIGATION WITH ALLIUM SULFUR VOLATILES AND ALLIUM BY-PRODUCTS

Arnault, mrs I; Vey, Mr F; Fleurance, M C; Nabil, Mrs H and Auger, Mr J (2008) SOIL FUMIGATION WITH ALLIUM SULFUR VOLATILES AND ALLIUM BY-PRODUCTS. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

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Summary

Like Brassicaeae spp., Allium spp.have biofumigation properties attributed to sulfur components, mainly three disulfides: dimethyl disulfide (DMDS), dipropyl disulfide (DPDS); and diallyl disulfide (DADS), with an efficacy superior to that of DMDS. In this study, the biofumigant activity of Allium (onion and leek) by-products was investigated in vitro and in vivo. In vitro, the experimental model consisted of a host-pathogen system: cucumber-Pythium ultimum. The results of the bioassay show that cucumber plants in compost inoculated with the pathogen and containing onion or leek by-products show better vegetative growth than the control. In vivo, soil biodisinfection with onion by-products in asparagus leads to a yield intermediate between the untreated soil and the methyl bromide treatment. Another aim of the present study was to get more data about the nematicidal activity of disulfides. The activity of DMDS and DADS was evaluated on two nematode species.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:biofumigation, Allium spp, by-products
Subjects: Crop husbandry > Composting and manuring
Research affiliation: International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR > 6.2 Agro-Ecology
Deposited By: arnault, mrs ingrid
ID Code:11689
Deposited On:22 Sep 2008
Last Modified:12 Apr 2010 07:35
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:This paper is published in the conference proceedings:
Neuhoff, Daniel; Halberg, Niels; Alfldi, Thomas; Lockeretz, William; Thommen, Andreas; Rasmussen, Ilse A.; Hermansen, John; Vaarst, Mette; Lck, Lorna; Carporali, Fabio; Jensen, Henning Hgh; Migliorini, Paola and Willer, Helga, Eds. (2008) .Cultivating the Future Based on Science. Proceedings of the Second Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), held at the 16th IFOAM Organic World Congress in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM) and the Consorzio ModenaBio, 18 . 20 June 2008 in Modena, Italy.. International Society of Organic Agriculture Research (ISOFAR), c/o IOL, DE-Bonn, Research Institute of Organic Agriculture FiBL, CH-Frick. http://orgprints.org/13672 and http://orgprints.org/13674

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