Grapevine plant named ‘13-21-12’

Details Grapevine plant named ‘13-21-12’ Grapevine plant named ‘13-21-12’

2002-10-24

2004-05-11

Bell, Kent (Department: 1661)

Plants

Fruit

Grape

Plant Patent

active

PP014773

ABSTRACT:

Genus and species:
Vitis vinifera.
BACKGROUND AND SUMMARY OF THE INVENTION
The new grape plant named ‘13-21-12’ is of
Vitis vinifera
parentage and resulted from a twenty year breeding program which had as its goal the development of a late ripening, white, seedless table grape. The female parent was the variety ‘Calmeria’ (unpatented). The male parent of the cross is an unnamed, seedless grapevine resulting from a series of crosses involving ‘Emperor’ (unpatented), ‘Thompson Seedless’ (unpatented), and ‘Calmeria’ (unpatented). The hybridization resulting in ‘13-21-12’ was made near McFarland, Calif. in 1992. The seedling was selected from a population of 218 seedlings of like parentage in 1996. It was then propagated by cuttings and grafting to ‘Freedom’ (unpatented) rootstock. Those resulting plants were stable and typical of the original vine.
COMPARISON WITH PARENTAL CULTIVAR
The new grape plant named ‘13-21-12’ somewhat resembles the standard variety ‘Calmeria’ (unpatented), its female parent, but differs from it by bearing seedless berries. The new variety resembles its unnamed male parent but differs from it by bearing elongate rather than spherical berries.

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