Grapes are propagated by cuttings and due to the presence of diseases in the soil such as phylloxera, most grape vines are grafted and consist of two different varieties.
Mudiriva wu byariwa hikuva ku tsemiwa marhavi naswona hikokwalaho ka kutala ka mavabyi eka misava yofana na phylloxera, midiriva yotala ya hlanganisiwa kutani ku huma tinxaka timbirhi ta madiriva.