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Cytogenetic effects of separate and combined effect of thorium-232 and potassium nitrates on Tradescantia (clone 02)

Evseeva, T.I.; Geras'kin, S.A.

Tsitologiia 42(8): 822-828

2000

ISSN/ISBN: 0041-3771
PMID: 11033868
Document Number: 525872
Under both separate and combined influence of 232nd-nitrate and potassium nitrate a study was made of the yield of somatic mutation frequencies, the level of morphologically abnormal cells and the loss of reproduction integrity in the stamen hairs of Tradescantia (clone 02). All investigated concentrations of 232nd-nitrate and potassium nitrate exerted statistically significant genotoxic effects and increased the level of morphological cell abnormalities in the stamen hairs of Tradescantia. Also, 0.36 mg/l 232nd and 0.51 mg/l KNO3 concentrations cause a statistically significant loss of reproduction integrity in the stamen hair. The combined action of 232nd-nitrate and potassium nitrate in all investigated concentrations and parameters causes a statistically significant effect.

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