Maternal age influence on diapause induction in sexual and asexualTrichogramma brassicae
| Autor: | Ahmad Ashouri, Somayeh Rahimi-Kaldeh, Alireza Bandani, Seyed Ali Modarres Hasani |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
0106 biological sciences
photoperiodism education.field_of_study biology Offspring Population Maternal effect Ephestia kuehniella Zoology Trichogramma brassicae Diapause biology.organism_classification 010603 evolutionary biology 01 natural sciences 010602 entomology Insect Science Wolbachia education Agronomy and Crop Science reproductive and urinary physiology |
| Zdroj: | International Journal of Pest Management. 64:345-351 |
| ISSN: | 1366-5863 0967-0874 |
| DOI: | 10.1080/09670874.2017.1422569 |
| Popis: | In this study, the effect of maternal age on prepupae diapause of progeny in sexual (Wolbachia free) and asexual (Wolbachia infected) Trichogramma brassicae was studied at two temperatures. Maternal generation (G1) of both populations was reared at 10L:14D photoperiod, 14 and 20 °C, separately. Mated females from G1 were supplied with eggs of Ephestia kuehniella, each 48 h from one day after emergence to death. The tendency to diapause in progeny (G2) was determined by rearing at 10 °C. According to the results, reproductive modes, maternal temperature and age have significant effect on the mean number of eggs laid by G1 and the diapause percentage of G2. Offspring whose maternal generation was reared at 20 °C had higher diapause percentage than those reared at 14 °C. Diapause percentage in sexual population was higher than the asexual, which demonstrates a negative effect of Wolbachia on this process. Wolbachia infection modifies the effect of maternal age on the diapause percentage in the offspr... |
| Databáze: | OpenAIRE |
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