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Investigations on the efficacy of different products for the control of Stephanitis pyri in an organic pear orchard during the two-year period 2004-'05

Vergnani, S and Caruso, S (2008) Investigations on the efficacy of different products for the control of Stephanitis pyri in an organic pear orchard during the two-year period 2004-'05. 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

The results of two trials, carried out respectively in 2004 and 2005, against Stephanitis pyri in an organic pear orchard are reported. Different formulations of the following active substances were tested: pyrethrum + PPBO, rotenone, rotenone + pyrethrum + PPBO, azadirachtin, Beauveria bassiana strain ATCC 74040, Marsiglia and potassium soap; and quassia wood. The pyrethrum + PPBO- and rotenone-based formulated products showed good efficacy, when applied against neonate larvae. A good efficacy was also observed with the azadirachtin-based formulation, but the product may have phytotoxic effects on pear, and therefore its use is not recommended. The B. bassiana-based product showed partial efficacy in controlling the target pest, while the efficacy of the formulations based on Marsiglia soap, Potassium soap and Quassia wood was not satisfactory.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:Stephanitis pyri, , organic pear orchard, control
Subjects: Crop husbandry > Crop health, quality, protection
Research affiliation: International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR > 2.6 Crop health and weed management
Deposited By: Tommasini, Dr M.Grazia
ID Code:12209
Deposited On:06 Oct 2008
Last Modified:12 Apr 2010 07:36
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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