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This paper highlights the way of behaviour in the growing proces of some plum varieties grafted on various rootstocks as part of a plantation located nearby the city of Craiova. Research was caried out on thre plum varieties during 2010-2012 – ‘Renclod Althan’, ‘Alina’ and ‘Valor’- grafted on 3 rootstocks – ‘Oteşani 8’, ‘Pixy’ and ‘Miroval’, looking at the surface of the trunk’s section ,the diameter of the crown, the volume of the crown, the height of the tres and the extent to which the land was ocupied. The findings from the conducted study indicate that the ‘Miroval’ rootstock imprints the studied plum varieties the biggest growth vigour, being folowed by the ‘Pixy’ rootstock, while the ‘Oteşani 8’ rootstock imprints the lowest vigour.