Identification of unique pheromone components for soybean looper mothPseudoplusia includens |
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Authors: | C. E. Linn Jr. J. Du A. Hammond W. L. Roelofs |
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Affiliation: | (1) Department of Entomology, NYS Agricultural Experiment Station, 14456 Geneva, New York;(2) Shanghai Institute of Entomology, Academica Sinica, Chungkin Road (S.) 225, Shanghai, PRC;(3) Department of Entomology, Louisiana State University, 402 Life Sciences Building, 70803-1710 Baton Rouge, Louisiana |
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Abstract: | Analysis of sex pheromone glands from individual female soybean looper moths showed that in addition to the previously identified main component (Z)-7-dodecenyl acetate, the compounds dodecyl acetate, 11-dodecenyl acetate, (Z)-7-dodecenyl propionate, and (Z)-7-dodecenyl butanoate were also produced. Two of the components, 12 OAc and 11–12 OAc, were not detected in a single analysis of female effluvium. Flight-tunnel tests showed that the five-component and three-component blends were equal to each other and to a female extract (> 80% source contacts) and that the mixtures were superior toZ7–12 OAc alone. Field tests indicated that the five-component blend was significantly more attractive thanZ7–12 OAc alone at a dosage of 1 mg, but that the blend was only slightly better at 3 mg. |
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Keywords: | Sex pheromone Lepidoptera Noctuidae Pseudoplusia includens sustained-flight tunnel (Z)-7-dodecenyl acetate dodecyl acetate 11-dodecenyl acetate (Z)-7-dodecenyl propionate (Z)-7-dodecenyl butanoate |
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