is study aims to present the disposal way of the horizontal roots mass for the Anna Spath plum tree, at Banu Mărăcine didactic plantation which was established in 1995. The research concerning Anna Spath plum variety engrafted on three rootstock (Oteşani 8, Pixy and Miroval), using the profile method, took place in 2007. It was established that most f the roots are spread within the Anna Spath bio-system, at the average depth of 0-60 cm and their thickness can reach almost 3 mm.

variety; rootstock; biosystem

Presentation: oral