Somatic chromosomes of Pennisetum typhoides (Burm.) S. and H

Virmani , SS and Gill , BS (1972) Somatic chromosomes of Pennisetum typhoides (Burm.) S. and H. Cytologia, 37 (2). pp. 257-260.

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Abstract

The somatic chromosomes of the inbred BIL4, which has been used for the development of trisomics and translocation stocks, were studied in detail. BIL4 is derived from the variety T55. The differences between the seven pairs of chromosomes of BIL4 were highly significant for long-arm length, total length of a chromosome, and relative length of a chromosome (in proportion to that of the total complement), and significant differences between chromosomes were found for short-arm length and arm ratio (short to long ratio). The chromosomes were numbered from 1 to 7 in order of their decreasing total length, chromosome 1 being 1.7 times longer than chromosome 7. On the basis of their arm ratios, chromosomes 1, 2, 3 and 5 were designated as median, chromosomes 4 and 6 as submedian and chromosome 7 as subterminal. Chromosome 7 was the nucleolar organizer.

Item Type: Article
Author Affiliation: Department of Plant Breeding, Punjab Agricultural University, Ludhiana, Punjab, India.
Subjects: Crop Improvement
Divisions: General
Depositing User: Library ICRISAT-InfoSAT
Date Deposited: 07 Mar 2012 13:30
Last Modified: 07 Mar 2012 13:30
URI: http://eprints.icrisat.ac.in/id/eprint/3649

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