Interphase Nuclear Behaviour of Triticum-Hordeum Hybrids

Research Article
Interphase Nuclear Behaviour of Triticum-Hordeum Hybrids

M.M. Rahaman, G. Kabir, A.M.S. Alam, N. Yasmin, S. Akhter and M.M. Ud-Deen

Pakistan Journal of Biological Sciences, 2006, 9(4), 755-758.

Abstract

The present study was carried out for making a keen observation on interphase nuclei of F₁s and their respective parents. Mean values for chromocentre number were found to be higher that of their respective Hordeum parents and but lower than that of their Triticum parents. The number of chromocentres were always less compared to their chromosome number in all the F₁s. The percentage of heterochromatin per nuclear area in different hybrids ranged from 24.69% (H. nudum x T. durum) to 28.38% (T. aestivum x H.nudum). Nuclear Volume (NV) and Interphase Chromosome Volume (ICV) were found to be proportionally related the number and size of chromosomes. Mean values for Interphase Chromosome Volume (ICV) in the hybrids were found to decrease when compared to Triticum species but increased when compared to Hordeum species.

ASCI-ID: 1-3932

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