摘要：A comparative study over 3 years has been carried out in the experimental lots of INCDBH Ştefăneşti on the mainvarieties apirens . A special attention has been drawn by the Canner variety, the variety apiren with medium ripening.The identification of the biotypes (clones) having superior quality and production characteristics which manifestconstantly, has been achieved through the study of the elites chosen in comparative fields, using the method of repeateddeterminations in groups of years, under specific vineyard conditions. Canner is a variety obtained by OLMO in 1969,by cross-breeding the varieties Hunisa and Sultanina. It is a variety with white, large, oval, seedless grapes which canbe used mainly in obtaining raisins, jam and compote
关键词：clone selection; phyto-sanitary testing; plantation mother; comparative study
