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coffee plants

International Journal of Tropical Insect Science (1)

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Naupactus curtus (Coleoptera: Curculionidae) increasing the incidence of Ascochyta coffeae on Coffea arabica in Brazil
Flávio Lemes Fernandes, Marcelo Coutinho Picanço, Laercio Zambolim, Antonio Fernando Souza, Renan Batista Queiroz
Journal:

International Journal of Tropical Insect Science / Volume 29 / Issue 3 / September 2009

Published online by Cambridge University Press:

01 September 2009, pp. 169-170

Print publication:

September 2009
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This is the first report of the weevil Naupactus curtus Boheman favouring Ascochyta disease on coffee plants in Brazil. From August to October 2008 (the period of N. curtus occurrence), six coffee crops were monitored with the evaluation of 565 coffee plants. Leaves showing injuries caused by N. curtus and Ascochyta coffeae strains were found in Ponte Nova and Jaboticatubas, Minas Gerais, Brazil. A positive and significant correlation between the number of lesions caused by the weevil and those resulting from an infection by the Ascochyta disease was observed. These results suggest that insect control may be an alternative in order to reduce disease proliferation.