THE COMPARISON OF UNSCHEDULED DNA SYNTHESIS IN GERMINATING WHEAT EMBRYOS TREATED BY Fe1+ IONS IMPLANTATION AND 60Co γ-RAYS IRRADIATION Effect of enhanced UV-B radiation on DNA damage, repair and protein content in soybean hypocotyls UNSCHEDULED DNA SYNTHESIS INDUCED BY ELECTRON BEAM AND γ IRRADIATION IN BARLEY EMBRYOS -RAY IRRADIATION EFFECTS ON DAN’S UNSCHEDULED SYNTHESIS AND REPLICATION OF BAARLEY EMBRYOS DURING THEIR IMBIBITION Autoradiographic Study of Gamma-Ray Induced Unscheduled DNA Synthesis in Bean Root Meristem Cells