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EFFECT OF TOONA SINENSIS FRUIT PEEL AND AXAL REGION ON THE DEVELOPMENT AND FECUNDITY OF DROSOPHILA MELANOGASTER

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Author: JUAN WANG, JING-XIA YANG, YUN-TAO JI, HAI-JUN ZHAO, YA-WEI TANG, JIAO-JIAO XU, JIAO-JIAO LIU AND CHANG-QING QU

Abstract: Virgin Drosophila melanogaster were collected and fed with 2.5, 10, and 25 g/L  concentrations of Toona sinensis fruit peel and axal region. The preoviposition, egg,  larval, and pupal durations as well as fertility were calculated. The preoviposition and  larval durations differed statistically significantly between the same concentrations of  T. sinensis fruit peel and axal region (P < 0.05). Compared with the control, the fruit  peel of T. sinensis decreased the preoviposition duration of the offspring, while the  axal region initially increased and then decreased the duration as the concentration  increased. The egg stage of the F1 and F2 generations were extended by 2.5 g/L fruit  peel and 25 g/L axal region, respectively (P < 0.05), but were unaffected in the other  groups. Fruit peel and axal region of T. sinensis extended the larval duration,  shortened the pupal duration, and increased the number of the offspring, without  affecting the sex ratio. These results suggested that the fruit peel and axal region of  T. sinensis could affect the developmental duration and improve fertility in D.  melanogaster, especially males.

Keywords: Axal region, Developmental duration, Drosophila melanogaster, Fecundity, Fruit peel, Toona sinensis

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