“…Tree cytogenetics has been extensively studied during the past few years (PAVLICA et al, 2000;PRUS-GL ⁄ OWACKI et al, 2006;RIBEIRO et al, 2008;LICINA et al, 2013;SIL-VESTRINI et al, 2013;MURATOVA et al, 2007;MILYUTIN et al, 2004;OUDALOVA and GERAS'KIN, 2012;KALASHNIK and YASOVIEVA, 2012). Cytogenetic methods have been proven to be both informative and sensitive (BORZAN et al, 1996;BUTORINA and EVSTRATOV, 1996;LUOMAJOKI, 1996;MIILLER and GRILL, 1996).…”