highly significantP < 0.01
The test probability was considered significant at P < 0.05 and highly significant at P < 0.01.
The test probability was considered significant at P < 0.05 and highly significant at P < 0.01.
The analysis of the content of t-heterochromatin in rye chromosomes and chromosome 1RS.1BL showed changes in its quantity, mainly a decreasing trend compared to parental chromosomes.