The rootstock was obtained as a result of breeding at the Research Institute of Horticulture in Skierniewice. The growth vigor of trees grafted onto P 67 is in the range between the indices of M.9 and M.26 rootstocks. The plants possess high productivity in the nursery and good rooting ability.
Mother plants are characterized by stiff, straight shoots of brown color with pubescence and a small number of thorns. Leaves are of medium or large size, light green in color. This form is distinguished by its adaptability to the climatic conditions of Poland, as well as resistance to low temperatures, scab, and powdery mildew.
Sources6
Loading…
Countries of admission
2 jurisdictions
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
This is a directory, not an official registry: data is based on public disclosures and may have changed.
More about sources