100–300 Gy Dose Experiment
The total percentage of females mated showed a high degree of irradiation dose-dependent effects (R2¼ 0.82; Table 2). Evidence of mating was observed for all females regardless for those crossed with the non-irradiated males or with males treated with doses of 100–150Gy (Table 2). Above 200 Gy doses treatments the percentage of mated females progressively decreased for both total matings and females that mated twice, while the occurrence of unmated females and those that mated once progressively increased.
Female fecundity in total eggs laid was not significantly affected in the first experimental series using 100–300 Gy doses (R2¼ 0.19; Table 3). Male exposure to dose levels of ≥ 100Gy resulted in significantly (R2¼ 0.77) fewer eggs showing visible embryonic development (VED; e.g., developing to and beyond the “red” color stage) compared to controls. In contrast, numbers of eggs laid did not differ significantly for those eggs showing no visible embryonic development (NVED; R2¼ 0.02). Significant increases in the percentage of NVED eggs laid and complementary decreases in percentage of VED eggs laid occurred with all irradiation doses ≥ 100 Gy compared to the non-irradiated controls (R2¼ 0.91). Fertility of females in both numbers of larvae hatched and percentage of total eggs hatched showed a high degree of irradiation dose dependency (R2¼ 0.76 and 0.89, respectively). The frequency of hatching was significantly reduced at the 100Gy irradiation of males compared to controls, with only nine neonates hatching from 15 females mated with irradiated males compared with 918 neonates produced from the crossing of females with non-irradiated males (Table 3). Moreover, no neonates hatched with the ≥ 150Gy doses and no eggs developed to the prehatch stage with ≥ 200 Gy doses.
100–300 Gy Dose ExperimentThe total percentage of females mated showed a high degree of irradiation dose-dependent effects (R2¼ 0.82; Table 2). Evidence of mating was observed for all females regardless for those crossed with the non-irradiated males or with males treated with doses of 100–150Gy (Table 2). Above 200 Gy doses treatments the percentage of mated females progressively decreased for both total matings and females that mated twice, while the occurrence of unmated females and those that mated once progressively increased. Female fecundity in total eggs laid was not significantly affected in the first experimental series using 100–300 Gy doses (R2¼ 0.19; Table 3). Male exposure to dose levels of ≥ 100Gy resulted in significantly (R2¼ 0.77) fewer eggs showing visible embryonic development (VED; e.g., developing to and beyond the “red” color stage) compared to controls. In contrast, numbers of eggs laid did not differ significantly for those eggs showing no visible embryonic development (NVED; R2¼ 0.02). Significant increases in the percentage of NVED eggs laid and complementary decreases in percentage of VED eggs laid occurred with all irradiation doses ≥ 100 Gy compared to the non-irradiated controls (R2¼ 0.91). Fertility of females in both numbers of larvae hatched and percentage of total eggs hatched showed a high degree of irradiation dose dependency (R2¼ 0.76 and 0.89, respectively). The frequency of hatching was significantly reduced at the 100Gy irradiation of males compared to controls, with only nine neonates hatching from 15 females mated with irradiated males compared with 918 neonates produced from the crossing of females with non-irradiated males (Table 3). Moreover, no neonates hatched with the ≥ 150Gy doses and no eggs developed to the prehatch stage with ≥ 200 Gy doses.
การแปล กรุณารอสักครู่..