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The Journal of Heredity 1983:74(3):189-192
© 1983 The American Genetic Association 74:189-192

research-article

Melotic behavior of platinum-induced aneuploids in pearl millet

J. S. Dhesi, S. S. Sandhu, and M. D. Waters

North Carolina Central University Durham, NC 27707
Health Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park North Carolina 27711

Abstract

Cytotoxicity, measured by seed germination and seedling survival, and the clastogenic potential of platinum diarninodinitrodichloride were evaluated in pearl millet (Pennisetum americanum (k) Schum). The study was conducted under controlled climatic conditions. Presoaked seed of pearl millet were treated with cis-platinum diarninodinitrodichloride, and with maleic hydrazlde as a positive control in the study. The frequency of trisomy induced by diaminodinitrodichlorlde in the pollen mother cells of the tester plants was roughly equivalent to that induced by maleic hydrazide. The chiasma frequency between trisomics was found to be independent of chromosomal length.


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