Specificity of the pheromone system ofAdoxophyes orana andClepsis spectrana |
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Authors: | S Voerman A K Minks E A Goewie |
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Affiliation: | (1) Laboratory for Research on Insecticides, Marijkeweg 22, Wageningen, The Netherlands;(2) Department of Entomology, Agricultural University, Binnenhaven 7, Wageningen, The Netherlands |
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Abstract: | The pheromone system of the summer fruit tortrix mothAdoxophyes orana (Fischer von Röslerstamm) consists of a mixture ofcis-9- andcis-11-tetradecen-1-ol acetate (cis-9- andcis-11-TDA, respectively) in a ratio of 9:1. Substitution of one or both of these compounds by related unsaturated acetates reduced the attractancy. Onlycis-11-TDA could be replaced bycis-11-tridecen-1-ol acetate (cis-11-TriDA), although the 9:1 mixture ofcis-9-TDA andcis-11-TriDA was less attractive in the field than the pheromone system itself. The major component of the pheromone system of the leaf rollerClepsis spectrana (Treitschke)(cis-9-TDA:cis-11-TDA=1:9) could also be replaced bycis-11-TriDA, again with some reduction in attractancy. |
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Keywords: | insect sex attractants pheromones cis-9-tetradecen-1-ol acetate cis-11-tetradecen-1-ol acetate cis-11-tridecen-1-ol acetate Adoxophyes orana Clepsis spectrana specificity |
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