They are known in Argentina since the beginning of the viticulture, with great diversity of shapes and types. Their reproduction was done by planting seed and it has particular features with no connection to European grape stocks.
These are vigorous and high yield grape stocks, normally used for low quality wines, concentrated must or as table-grapes.
Vigorous grape stock with large production, which is rustic and resistant to salinity; however, it is sensitive to peronospora and rupture of grain grapes. This is used as rootstock to be grafted, because of the previously mentioned features, as it usually happens for example in San Juan, to graft the Moscatel of Alexandria or some other varieties.
Used for wines of little quality, especially for blends. These grape stocks are in all Cuyo regions. The bunches are big and plenty of branches, the berries are darker and smaller than those of the Cherry.
It is a vigorous and high yield grape stock, there exist several clones; some of them present biological defects due to their high tendency to the “slide” because the nature of their floral biology. Moreover it is rustic, of high yield production and very resistant to diseases. Due to its particular taste and bouquet and the present interest in wines with Moscatel taste, it is very appreciated in the important markets of the country.