Karyotypic Analysis of Safflower1
- R. S. N. Pillai,
- H. Kumar and
- R. B. Singh2
An efficient squash technique for resolving the somatic chromosomes of safflower (Carthamus tinctorius L.) was developed. It permitted the detailed analysis of the karyotype. The 12 pairs of chromosomes were classified and numbered from 1 to 12 on the basis of their descending order of length, centromere position and presence of satellites. The absolute chromosome length varied from 3.52 to 2.05 μ, the average being 2.90 μ. The arm ratios ranged from 1.25 to 4.50. The centromere was mostly median to submedian, being subterminal in two pairs of chromosomes. There were three pairs of satellite-chromosomes, the nucleolus being organized by the short arm. A karyotype formula has been suggested.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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