Plants – Fruit – Stone fruit tree
Plant Patent
2000-03-06
2002-06-11
Campell, Bruce R. (Department: 1661)
Plants
Fruit
Stone fruit tree
Plant Patent
active
PP012686
ABSTRACT:
BACKGROUND OF THE NEW VARIETY
The present invention relates to a new and distinct variety of peach (
Prunus persica
(L.) Batsch) tree which is named ‘Gulfprince’ and, more particularly to a peach tree which produces highly colored, good eating quality, clingstone, non-melting flesh fruit which are mature for fresh market in early June at Attapulgus, Ga. and which are produced on a tree adapted to a semi-mild winter climate. Asexual propagation was performed through 2 successive buddings at Gainesville, Fla. where the selection was made and trees were tested at Gainesville and at Attapulgus. Asexually propagated plants remained true to type. Contrast is made to ‘June Gold’ (unpatented) peach, a standard variety, for reliable description. This new variety is a promising candidate for commercial success in that it retains fruit firmness at the full flavor, tree ripe stage for 10 days on the tree.
ORIGIN OF THE VARIETY
This peach tree (genotype) originated in the fruit breeding program at the University of Florida, located at Gainesville, Fla. The seed parent was ‘Aztecgold’ (unpatented), a non-melting flesh peach [originated as an F
2
of ‘Sunred’ (unpatented) nectarineבMexican Cling’ (unpatented) peach]. The pollen parent was ‘Oro A’ (unpatented), a non-melting flesh peach that originated as a seed importation from Brazil. ‘Gulfprince’ peach was selected from about 50 sibs in 1993, it exhibited yellow, non-melting clingstone flesh, and was designated Fla. 93-14C. It was propagated as a uniform variety through standard asexual propagation by budding on ‘Flordaguard’ (unpatented) seedling rootstock for root-knot nematode control and determined at Attapulgus to have unique tree and fruit characteristics making it worthy for commercial fresh fruit production. There are no known effects of this rootstock on this scion cultivar.
SUMMARY OF THE VARIETY
The new and distinct variety of peach tree bears yellow, non-melting flesh fruit, and has a moderate-chilling dormancy requirement. ‘Gulfprince’ blooms about 10 days before ‘June Gold’ peach at Attapulgus, bearing red skin, non-melting and yellow flesh fruit. The estimated chilling requirement is 400 chill units as compared to ‘June Gold’ at 650 chill units.
The present invention resulting in ‘Gulfprince’ peach tree is characterized by non-melting flesh fruit of excellent flavor and eating quality on a tree adapted to medium chill winters. The trees are vigorous, productive and regular bearing. Trees attain in two years, a height of three meters and a spread of two meters at Attapulgus. Terminal growth of up to a meter annually is common on mature five-year-old trees with normal pruning to a vase shape. The first fruit ripen the first week of June at Attapulgus or in about 105 to 115 days from full bloom, which is about 10 to 14 days after ‘June Gold’. The fruit are uniformly large for an early-mid season peach. Ripe fruit have 45 to 55% solid (no stripes) red skin with a small amount of red pigment throughout the flesh on the sun exposed side of the fruit, especially on trees stressed during hot, dry weather. There is no red pigment in the flesh at the pit. The showy flowers are pink and the anthers are light red to yellow, a common characteristic of many standard peach and nectarine varieties.
Beckman Thomas G.
Krewer Gerard W.
Sherman Wayne B.
Campell Bruce R.
Para Annette H.
The United States of America as represented by the Secretary of
LandOfFree
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