Because the production of potato planting material can not practically ensure the entire material required for seed of an area or a country from economic considerations – a very large volume of specific works influence the cost of production of seed tubers up to unprofitable values - the only acceptable way of an economic perspective for high maintaining of production potential and phyto-sanitary standard is the re-propagation of planting material in a number of years with respect to specific technical and organizational measures to prevent the virus infections.

potato; seed; potentially productive; standard; phyto-sanitary; re-propagation

Presentation: oral