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Brazilian Archives of Biology and Technology

Print version ISSN 1516-8913

Abstract

EFROM, Caio Fábio Stoffel; REDAELLI, Luiza Rodrigues; MEIRELLES, Rafael Narciso  and  OURIQUE, Cláudia Bernardes. Side-effects of pesticides used in the organic system of production on Apis mellifera Linnaeus, 1758. Braz. arch. biol. technol. [online]. 2012, vol.55, n.1, pp. 47-53. ISSN 1516-8913.  http://dx.doi.org/10.1590/S1516-89132012000100005.

This study aimed to evaluate the effects of pesticides, used in the organic system, on Apis mellifera under laboratory conditions. Four multiple (0.25x, 0.5x, 1x and 2x) concentrations as recommended by they manufacturers of the following products: Rotenat CE®, Pironat®, Biopirol 7M®, Organic neem®, Natuneem® and lime sulfur were tested by topical application and ingestion. Of all the products and concentrations tested, only the lime sulfur (5000 ml 100L-1 and 10000 mL 100L-1 of water) by ingestion, and Rotenat CE® (1200ml 100L-1 of water) on topical application were considered slightly harmful for A. mellifera, as the classification of IOBC/WPRS for the laboratory tests.

Keywords : Honeybees; rotenone; lime sulfur; neem; pyroligneous extract.

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