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Abstract
‘Fiesta’ is an early maturing, white, seedless grape, Vitis vinifera Linn, released in December 1973. It was selected for its ability to produce high quality raisins and for its early maturity.
Abstract
More than 10,000 seedlings were studied to elaborate the mode of inheritance of seedlessness in grapes (Vitis spp.). Self-pollinations of seeded selections having seedlessness in their parentage gave 0 to 10.7% seedless progeny. Crosses between seeded selections with seedlessness in one or both parents gave similar proportions. Crosses of seeded × seedless selections gave 0-55% seedless. Results were extremely variable, without apparent correlation to normal genetic ratios. Seedlessness appeared to be largely controlled by recessive factors.