Influence of strong magnetic fields on genetic endpoints in Tradescantia tetrads and stamen hairs
Inflorescences from Tradescantia clones 4430 and 02 were subjected to mean magnetic field intensities of 0.16 or 0.76 to 0.78 tesla for 6 to 11 days. Following exposures to both intensities, damage to pollen mother cell chromosomes at early prophase was determined by scoring the frequency of micronuclei in early tetrads. Pink mutations in stamen hair cells of clone 4430 were scored for 15 days after a 6-day exposure to the higher intensity level while clone 02 was scored during and for 6 days after an 11-day exposure to the 0.16 tesla field. Comparison of micronuclei results from exposed groups to those for control groups that were scored concurrently showed that there was no significant difference in frequency for either clone or either field intensity (P values in contingency table analyses were between 0.42 and 0.6); similarly, pink mutation frequencies for clone 4430 exposed and control groups did not differ significantly (a contingency test yielded chi/sup 2/ = 1.4 and P = 0.26).
- Research Organization:
- Brookhaven National Lab., Upton, NY
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 7188380
- Journal Information:
- Environ. Mutagen.; (United States), Vol. 6:1
- Country of Publication:
- United States
- Language:
- English
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