Wykorzystanie postepu hodowlano-nasiennego w produkcji ziemniakow

This paper evaluates the effectiveness of breeding and seed production influence on potato production. 573 family farms, keeping agricultural accountancy for the Institute of Agricultural and Food Economy were analysed. The consumption of certificated potatoes dropped rapidly within the last ten years. The quick dissemination of new potato varieties can be seen, hoever because of the demand barrier their seed production is not very large. If the exchange period of seed potatoes is one year longer, the crop yield is lowered by 8-10 dt · ha⁻¹.