A.V. Rodionov, V.V. Kotseruba, E.S. Kim, E.O. Punina, N.N. Nosov
Komarov Botanical Institute of the Russian Academy of Sciences, St.-Petersburg, Russia;
e-mail: krasnov@genebiology.ru
The mechanisms by which either diploid 2n or basal chromosome number x change during grass karyotype evolution have been discussed briefly in the paper.
