Title |
A female-specific attractant for the codling moth, Cydia pomonella, from apple fruit volatiles
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Published in |
The Science of Nature, November 2003
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DOI | 10.1007/s00114-003-0484-6 |
Pubmed ID | |
Authors |
Alan Hern, Silvia Dorn |
Abstract |
Host plant-derived esters were investigated as potential female-specific attractants for the codling moth (CM), Cydia pomonella (L.), a key pest of apples worldwide. The behavioural effects of single and combined volatile compounds and of a natural odour blend were examined using olfactometry and wind-tunnel bioassays. The apple-derived volatile butyl hexanoate attracted mated females while it was behaviourally ineffective for males over a dosage range of more than three orders of magnitude in olfactometer assays. Female CM preferred this kairomone to the headspace volatiles from ripe apples. Both no-choice and choice trials in the wind-tunnel suggested that female moths might be effectively trapped by means of this compound. In contrast, headspace volatiles collected from ripe apple fruits as well as a blend containing the six dominant esters from ripe apples were behaviourally ineffective. A female-specific repellency was found for the component hexyl acetate in the olfactometer, but this ester had no significant effect in the wind-tunnel. Butyl hexanoate with its sex-specific attraction should be further evaluated for monitoring and controlling CM females in orchards. |
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Geographical breakdown
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Switzerland | 1 | 2% |
France | 1 | 2% |
Canada | 1 | 2% |
Benin | 1 | 2% |
Spain | 1 | 2% |
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Unknown | 42 | 86% |
Demographic breakdown
Readers by professional status | Count | As % |
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Student > Ph. D. Student | 13 | 27% |
Researcher | 12 | 24% |
Student > Master | 6 | 12% |
Student > Doctoral Student | 5 | 10% |
Student > Bachelor | 3 | 6% |
Other | 6 | 12% |
Unknown | 4 | 8% |
Readers by discipline | Count | As % |
---|---|---|
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Biochemistry, Genetics and Molecular Biology | 4 | 8% |
Environmental Science | 1 | 2% |
Unspecified | 1 | 2% |
Nursing and Health Professions | 1 | 2% |
Other | 3 | 6% |
Unknown | 4 | 8% |