Nature of Tetraploidy in Matricaria inodora L

Abstract

A natural tetraploid form of Matricaria inodora L. is analysed both mitotically and meiotically. Its karyotype was consisted of nine quadruples of structurally similar chromosomes. The meiotic behaviour of M. inodora in respect to the multivalent formation is similar to that of observed in M. chamomilla colchiploid. The results suggest autoploid nature of the present material.