Attraction of newly hatched codling moth larvae (Laspeyresia pomonella) to synthetic stereo-isomers of farnesene |
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Authors: | ORW Sutherland RFN Hutchins |
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Institution: | 1. Entomology Division, D.S.I.R., Nelson, New Zealand;2. Entomology Division, D.S.I.R., Palmerston North, New Zealand |
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Abstract: | Newly hatched Laspeyresia pomonella larvae were attracted to only two of six synthetic stereo-isomers of the acyclic sesquiterpene farnesene. These were (E,E)-α-farnesene and (Z,E)-α-farnesene which together comprise a natural attractant for the insect. Two other α-isomers and two β-isomers had no influence on larval behaviour. The activity of isomers is correlated with their molecular shape. |
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