Study on the karyotype of two Trigonella species from Iran

The karyotype of two Trigonella species from Ardabil was investigated. Chromosome characteristics of Trigonella caerulea was reported for the first time in Iran. AcetoChromosome characteristics including number, long arm, short arm lengths, total length of chromosome set, arm ratio index and relative chromosome length were made from 7 enlarged well-spread metaphases. The difference between the species and chromosomes were tested using factorial statistical model, based on completely randomized design. Results showed that these species were different in karyotype formula and karyotype characteristics. In the view point of stebbin’s symmetry class, Trigonella caerulea showed the most symmetric karyotype.