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Comparison of Steinernema feltiae, Bacillus thuringiensis israelensis and Azadirachtin to control Sciarids in Organic potted herbs

Koller, Martin (2011) Comparison of Steinernema feltiae, Bacillus thuringiensis israelensis and Azadirachtin to control Sciarids in Organic potted herbs. Acta Horticulturae (ISHS), 951, pp. 179-184.

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Online at: http://www.actahort.org/books/915/915_22.htm

Summary

Sciarids (or ‘Fungus gnat’, Bradysia sp. Diptera: Sciaridae) are one of the most important pests in the organic production of potted herbs. Therefore, a method to easily monitor sciarids in pots was developed and different pest control agents were compared at FiBL CH in 2008. Our experiments showed that control with the nematode Steinernema feltiae was most successful, with an efficacy of 69–90% at 24°C air temperature. Azadirachtin (Neem-seed oil) could be an alternative under hot conditions (>28°C). Bacillus thuringiensis israelensis, however, showed only a minor effect (1-51% efficacy).
Status:


EPrint Type:Journal paper
Keywords:Bradysia sp., biological control, Anbautechnik Pflanzenbau, Anbautechnik Sonderkulturen, Biohortikultur, Gemüse- und Zierpflanzenbau
Subjects: Crop husbandry > Production systems > Vegetables
Crop husbandry > Crop health, quality, protection
Research affiliation: Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Crop Production > Vegetables/Ornamentals
Related Links:http://www.fibl.org/en/switzerland/research/horticultural-sciences.html
Deposited By: Koller, Martin
ID Code:20134
Deposited On:19 Mar 2012 10:10
Last Modified:19 Mar 2012 10:10
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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