Realized heritability of behavioral responsiveness to an oviposition deterring pheromone in the azuki bean weevil Callosobruchus chinensis |
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| Authors: | Yoshinari Tanaka |
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| Affiliation: | (1) Laboratory of Theoretical Ecology, Institute of Environmental Science and Technology, Yokohama National University, Tokiwadai 79-7, Hodogaya-ku, Yokohama, 240-8501, Japan |
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| Abstract: | Artificial selection was conducted to reduce the behavioral responsiveness of female bruchid beetles, Callosobruchus chinensis, to the oviposition deterring pheromone excreted by conspecific females. Significant responses to selection were observed after two generations of selection. Realized heritability was estimated as 0.052 ± 0.017 from cumulative responses regressed on cumulative selection differentials. These results indicate that this pheromone communication system has significant additive genetic variance needed for its evolution. |
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| Keywords: | heritability oviposition deterring pheromone egg-spacing behavior quantitative genetics Callosobruchus chinensis |
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