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Use of liohumus extract for ecological control of potato late blight

Patsaki, E.E.; Bourbos, V.A.; Balis, C. and Barbopoulou, E.A. (2005) Use of liohumus extract for ecological control of potato late blight. Poster at: Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [Unpublished]

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Summary

Ecological control of potato late blight caused by the fungus Phytophthora infestans (Μοnt) de Bary is based on forecasting programs, cultural practices (Shea and Broadbent, 1983), use of resistant cultivars (Umareus et al., 1983; Williams and Williams, 1994; Bradshaw et al., 1995) and application of suggested plant protective products.
Copper products are used only as preventatives and in limited quantities in order to avoid accumulation in the soil. Control of the pathogen has been reported with the use of Fusarium sambucinum (Klukov et al., 1983) and Pythium ultimum (Kuznetsova et al., 1995) extracts. Bacteria of Bacillus genus were successfully used in tomato plants in vivo (Sadlers, 1996). Pseudomonas fluorescens strain ΑP33 and other bacteria isolated from the phylloplane and rhizosphere of potato and canola plants significantly controlled pathogen (Daayf et al., 2003). Skytalidine, antibiotic from Skytalidium pesante fungus, restricted pathogen development (Cook and Baker, 1983). Patatin that codifies resistance to Phytophthora infestans, inhibited spore germination by 70% (Sharma et al., 2004), while similar effects were reported for the alkaloid derivatives pipernonaline and piperidine from Piper longus (Lee et al., 2001).
The purpose of this work was to study the possibility of controlling potato late blight with the use of a compost extract made from olive mill waste water, olive pomace and olive leaves, known by the Greek term “liohumus”.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:ecological control, potato late blight, Phytophthora infestans
Subjects: Crop husbandry > Crop health, quality, protection
Research affiliation: International Conferences > 2005: 1st ISOFAR Conference > 2005: 1st ISOFAR Conference
Related Links:http://orgprints.org/4013/, http://www.isofar.org/adelaide2005, http://orgprints.org/view/projects/int-conf-isofar-2005.html
Deposited By: ISOFAR,
ID Code:4442
Deposited On:03 Nov 2005
Last Modified:12 Apr 2010 07:30
Document Language:English
Status:Unpublished
Refereed:Peer-reviewed and accepted
Additional Publishing Information:The paper presented here is the final paper submitted by the authors to the conference Researching Sustainable Systems.
The final edited papers are available with the following publication:
Köpke, Ulrich; Niggli, Urs; Neuhoff, Daniel; Cornish, Peter; Lockeretz, Willie und Willer, Helga, (Hrsg.) (2005) Researching Sustainable Systems. Proceedings of the First Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), Held in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM) and the National Association for Sustainable Agriculture, Australia (NASAA), 21 – 23 September 2005, Adelaide Convention Centre, Adelaide, South Australia.. Research Institute of Organic Agriculture FiBL, CH-Frick, and International Society of Organic Agriculture Research (ISOFAR), c/o Institute of Organic Agriculture (IOL), DE-University of Bonn. http://orgprints.org/4013/
Distribution: Paper copies may be ordered from FiBL at a cost of 28 Euros plus mailing costs (see FiBL shop at http://www.fibl.org/shop); FiBL order number 1394. A PDF version is available free of charge for ISOFAR members via the member area of www.isofar.org.

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