Role Of Regeneration Mechanism In Radioadaptation Of Seedlings Of Pisum Sativum L.

Abstract

The experimental dates are obtained, that at modified by decapitation of the main root of seedlings on the base of the increase of radioresistance (radioadaptations), fixed on the various parameters of growth activity of lateral roots, simultaneously a capacity is substantially reduced for the repair of sublethal damages, exposed by the method of fractionating of an acute dose of gamma-irradiation. The obtained facts allow concluding such mechanism of radioadaptive effect of decapitation, in which main part is acted by ephycell mechanisms. Additional comparative research of cyto- and histological parameters of cells of apex meristem of lateral roots of controls (intact) and experimental (decapitation) confirmed this conclusion.