Common synonyms: I8-17, King's Ruby|
Species: V. vinifera
Country of origin: USA
Breeder: H.P. Olmo
Year released: 1968
Pedigree: Emperor x Pirovano 75
Berry color: Red
Use(s): Table grape
Seedless is a mid- to late-season red, seedless table grape developed by H.P.
Olmo at the
Ruby Seedless is known for its ability to mature extremely large
crops. The clusters are well filled to compact making it prone to bunch rot. It
resists sunburn, has moderate berry size and matures an abundant second crop. There
are approximately 1,800 hectares of Ruby Seedless in commercial production in
Foundation Plant Services at UC Davis is the source of Foundation grapevine material for the nursery industry, and the staff can provide information about possible sources for obtaining this stock.
The National Grape Registry (NGR) contains information about varieties of wine, juice, and table grapes, raisins, and grape rootstocks available in the United States. Growers, nurseries, winemakers and researchers can find background information and source contacts for those grape varieties in this single convenient location.