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Master's Dissertation
DOI
https://doi.org/10.11606/D.11.2016.tde-06072016-103449
Document
Author
Full name
Mariana Oliveira Garrigós Leite
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
Piracicaba, 2016
Supervisor
Committee
Bento, José Maurício Simões (President)
Godoy, Wesley Augusto Conde
Guerreiro Filho, Oliveiro
Title in Portuguese
Voláteis de flores de café com etanol e metanol são sinérgicos para a atração de  Hypothenemus hampei (Ferrari) em cafezais
Keywords in Portuguese
armadilhas
Ecologia química
insetos não-alvo
manejo integrado de pragas
voláteis de plantas
Abstract in Portuguese
Neste estudo, foi testada a atratividade de novos semioquímicos a fêmeas da broca-do-café, Hypothenemus hampei (Ferrari), que é a principal praga da cultura do café no mundo. Armadilhas iscadas com Trat. 1, Trat. 2 e Trat. 3 foram testadas em combinação ou não com etanol e metanol 'E:M' (mistura 1:1) em uma área de cafezal localizada em Inconfidentes-MG, Brasil. O resultado mais importante foi que armadilhas iscadas com Trat. 1 + E:M atraíram significantemente mais adultos da broca-do-café do que os outros tratamentos isolados ou combinados. Por outro lado, armadilhas iscadas com compostos voláteis de frutos de café Trat. 2 + E:M não diferiram de E:M. Já armadilhas iscadas com Trat. 3 + E:M atraíram menos besouros do que E:M. Um número significativo de outras espécies de Scolytinae também foram atraídos por armadilhas iscadas com Trat. 1 + E:M e E:M. Além disso, um número muito baixo de outros insetos de, pelo menos, oito ordens também foram atraídos por estes dois tratamentos. Tomados juntos, estes resultados oferecem evidências convincentes de que Trat. 1 e E:M são sinérgicos para a captura de H. hampei, favorecendo o desenvolvimento de uma nova estratégia para o manejo integrado desta espécie em cafezais.
Title in English
Coffee flower volatiles with ethanol and methanol are synergistic for the attraction of Hypothenemus hampei (Ferrari) in coffee growing areas
Keywords in English
Chemical ecology
Integrated pest management
Non-target insects
Plant volatiles
Traps
Abstract in English
In this study, it was tested the attractiveness of new semiochemicals to coffee berry borer females, Hypothenemus hampei (Ferrari), that is the most important pest of coffee in the world. Traps baited with Treat. 1, Treat. 2 and Treat. 3 were tested in combination or not with ethanol and methanol "E:M" (1:1 mixture) in a coffee growing area located in Inconfidentes, MG, Brazil. The most relevant result is that traps baited with Treat. 1 + E:M attracted significantly more coffee berry borer adults than the other treatments. On the other hand, traps baited with coffee fruits volatile compounds Treat. 2 + E:M were similar to the ones bated with E:M. Yet traps with Treat. 3 + E:M attracted significantly less beetles than traps with E:M. A significant number of other Scolytinae species were also attracted by Treat. 1 + E:M and E:M. Moreover, a very low number of other insects from, at least, eight orders were also attracted by these two treatments. Taken together, these results offer compelling evidences that Treat. 1 and E:M are synergistic for the capture of H. hampei, promoting the development of a new strategy for the integrated management of this species in coffee growers.
 
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Publishing Date
2016-07-18
 
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