Chromosomal aberrations induced by chemical mutagens in allium

The effect of chemical mutagens on the induction of mitotic chromosomal aberrations in diploid Allium cepa and tetraploid Allium vineale has been studied. In inducing chromosomal aberrations in case of both diploid and tetraploid Allium all the mutagens were found to be effective. Mitotic irregulari...

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Bibliographic Details
Published in:Pakistan journal of biological sciences 2000-07, Vol.3 (7), p.1187-1189
Main Authors: Hassan, L. (Bangladesh Agricultural Univ., Mymensingh (Bangladesh). Dept. of Genetics and Plant Breeding), Ahmad, S.D
Format: Article
Language:English
Subjects:
ABERRACION CROMOSOMICA
ABERRATION CHROMOSOMIQUE
ALLIUM
CHROMOSOME ABERRATIONS
EMS
INDUCED MUTATION
MUTACION INDUCIDA
MUTAGENE
MUTAGENOS
MUTAGENS
MUTATION PROVOQUEE
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Summary:The effect of chemical mutagens on the induction of mitotic chromosomal aberrations in diploid Allium cepa and tetraploid Allium vineale has been studied. In inducing chromosomal aberrations in case of both diploid and tetraploid Allium all the mutagens were found to be effective. Mitotic irregularities were higher in tetraploid species as compared with the diploid species. All types of chemical mutagens were found to be effective for the induction of chromosomal aberrations but chromosomal aberrations are increased due to the effect of Ethyl Methyl Sulphonate (EMS) in comparison to the other chemical mutagens. In explaining the concentration of EMS application of 0.20 % of the chemical may be the highest dose whereas 0.05 % may be considered as a lower dose.
ISSN:1028-8880
DOI:10.3923/pjbs.2000.1187.1189