Does Bt maize cultivation affect the non-target insect community in the agro ecosystem?

AUTOR(ES)

Resende, Daniela Chaves, Mendes, Simone Martins, Marucci, Rosangela C., Silva, Alessandra de Carvalho, Campanha, Mônica Matoso, Waquil, José Magid

FONTE

Rev. Bras. entomol.

DATA DE PUBLICAÇÃO

2016-03

RESUMO

ABSTRACT The cultivation of genetically modified crops in Brazil has led to the need to assess the impacts of this technology on non-target species. Under field conditions, the potential effect on insect biodiversity was evaluated by comparing a homogeneous corn field with conventional and transgenic maize, expressing different Bt proteins in seven counties of Minas Gerais, Brazil. The richness pattern of non-target insect species, secondary pests and natural enemies were observed. The results do not support the hypothesis that Bt protein affects insect biodiversity. The richness and diversity data of insects studied were dependent on the location and other factors, such as the use of insecticides, which may be a major factor where they are used.

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