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Provedor de dados:  AgEcon
País:  United States
Título:  Spatial Externalities of Pest Control Decisions in the California Citrus Industry
Autores:  Grogan, Kelly A.
Goodhue, Rachael E.
Data:  2012-04-04
Ano:  2012
Palavras-chave:  Aphytis melinus
Beneficial insects
California red scale
Citrus
Integrated pest management
Pesticide
Spatial externalities
Agricultural and Food Policy
Crop Production/Industries
Production Economics
Resumo:  Predaceous and parasitic insects provide control of important citrus pests. However, many pesticides are toxic to these beneficials. Using California citrus grower survey data, this article tests whether landscape-level use of pesticides affects the presence of and reliance on Aphytis melinus, an important beneficial insect. Results show that landscape-level pesticide use decreases the presence of A. melinus and increases reliance on insecticides. Pesticide use on non-citrus crops has a significant negative effect on the presence of Aphytis melinus, suggesting a cross-crop spatial externality. Our findings illustrate that regulations designed to address cross-crop effects on beneficial insects can increase social welfare.
Tipo:  Article
Idioma:  Inglês
Identificador:  http://purl.umn.edu/122310
Relação:  Journal of Agricultural and Resource Economics>Volume 37, Number 1, April 2012
Formato:  24
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