All of the rootstocks are virus-free and they are all certificated with a quality label by NAKT (Netherlands Inspection Service of Horticulture). This quality label is unique in the world and it is the label that certifies the accuracy of related variety’s origin and that all rootstocks are virus-free.

NAKT is an institution of undoubted reputation worldwide which conducts virus-free production and continues its inspections in places to where NAKT exports said products.

Thanks to the controlled production ensured by the pomological inspections conducted by NAKT - to which provide our products through our partners - ; obtain guaranteed, unmutateable basic materials and rootstocks.