Most cultivated varieties of grape are hermaphroditic meaning they are capable of fertilizing themselves. Most wild vines and a few cultivated types are female. Only the female vines are capable of bearing fruit so a male vine or hermaphroditic vine must be nearby to pollinate the female so it can set fruit.
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eViticulture and the Grape Community of Practice are funded by the NIFA-USDA Specialty Crops Research Initiative (SCRI) and eXtension.