تصفح QU Ceased Journals حسب المؤلف "Halieem, A. S."
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Mitotic Disturbances Induced By The Drug "Novalgin" In Allium Cepa Root Tips
El Bayoumi, A. S. [عبد العزيز البيومي]; Halieem, A. S.; Habib, A. A. ( Qatar University , 1984 , Article)Growing root tips of Allium cepa are treated with seven concentrations of Novalgin ranging from 2.81 x 10 4 M to 1.5 x 10 4 M for 4, 8, 24,48 and 72 hours. The frequency of mitotic phases in the treated roots varies ...