Variation of Telomeric Heterochromatin Among Inbred Lines in Diploid Rye (Secale cerealeL.)

摘要

AbstractThe amount of Telomeric C‐heterochromatin was investigated in 20 inbred lines of rye and their open‐pollinated source cultivars. In this short communication only the banding pattern of the chromosomes in the lines is presented. The inbred lines had an amount of heterochromatin similar to the source cultivars. Both groups carried some chromosomes with small telomeric C‐bands. The individual source cultivars were composed of 2—4 karyotypes having different amounts of telomeric heterochromatin. Most karyotypes were also identified in the respective inbred lines. Results suggest that the in breed in i: process was not related to a reduction of telomeric C‐hetrerochromatin in rye ch