Molecular tools for sterile sperm detection to monitorCeratitis capitatapopulations under SIT programmes
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http://dx.doi.org/ 10.1002/ps.3448 |
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Título
Molecular tools for sterile sperm detection to monitorCeratitis capitatapopulations under SIT programmesAutoría
Fecha de publicación
2013Editor
WileyISSN
1526-498X; 1526-4998Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://onlinelibrary.wiley.com/doi/10.1002/ps.3448/pdfPalabras clave / Materias
Resumen
BACKGROUND: The success of an area-wide sterile insect technique (SIT) programme against Ceratitis capitata (Wiedemann)
(Diptera: Tephritidae) relies on the mating success of sterile males in the field. Limited ... [+]
BACKGROUND: The success of an area-wide sterile insect technique (SIT) programme against Ceratitis capitata (Wiedemann)
(Diptera: Tephritidae) relies on the mating success of sterile males in the field. Limited information is available about the
effectiveness of sterile males in achieving mates with wild females and how these matings contribute to reducing wild
populations. To this end, firstly a mating competition test was performed in the laboratory with different release ratios (1:1:0,
1:1:1, 1:1:5, 1:1:10 and 1:1:20 for wild females:wild males:sterile VIENNA-8 males respectively) and different host fruit. Secondly,
the same release ratios were evaluated under semi-natural conditions on caged trees and on sentinel host.
RESULTS: By means of molecular markers, VIENNA-8 male sperm was positively detected in those females exposed to the male
ratios 1:5, 1:10 and 1:20 in the laboratory. In the field test, sterile VIENNA-8 male matings and theC. capitataprogeny on apples
were positively correlated with the ratio of sterile males released and with the percentage of sterile matings respectively.
CONCLUSIONS: These results confirm the validity of using the molecular detection of VIENNA-8 male sperm to predict the C.
capitatapopulation under semi-natural conditions. Implications of these results in measuring the efficacy of an SIT programme
are discussed. [-]
Publicado en
Pest Manag Sci. 2013, Volume 69, Issue 7Derechos de acceso
© 2012 Society of Chemical Industry
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