1.
Rühl EH, Manty F, Konrad H, Bleser E. The importance of pathogen-free grapevine propagation material in regards to clonal selection and rootstock breeding in Germany. Int. j. hortic. sci. [Internet]. 2011 Jun. 25 [cited 2024 May 5];17(3):11-13. Available from: https://ojs.lib.unideb.hu/IJHS/article/view/952