Plants – Fruit – Stone fruit tree
Plant Patent
2002-01-25
2003-01-28
Campell, Bruce R. (Department: 1661)
Plants
Fruit
Stone fruit tree
Plant Patent
active
PP013526
ABSTRACT:
BACKGROUND OF THE VARIETY
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not applicable.
Field of the Invention
In the field of plant genetics, we conduct an extensive and continuing plant-breeding program including the organization and asexual reproduction of orchard trees, of which almonds, apples, apricots, cherries, peaches, plums, nectarines and interspecifics are exemplary. It is against this background of our activities that the present variety of interspecific tree was originated and asexually reproduced by us in our experimental orchard located near Modesto, Stanislaus County, Calif.
PRIOR VARIETIES
Among the existing varieties of interspecific, nectarine and plum trees, which are known to us and mentioned herein, are ‘Autumn Grand’ Nectarine (U.S. Plant Pat No. 2,894), ‘Royal Giant’ Nectarine (U.S. Plant Pat. No. 4,107) and Interspecific tree ‘Citation’ (U.S. Plant Pat. No. 5,112).
ORIGIN OF THE VARIETY
The new and distinct variety of interspecific tree [
Prunus persica
var.
nucipersica×
((
Prunus persica×
(
Prunus salicina×Prunus persica
))] was developed by us in our experimental orchard as an open pollinated seedling from seed collected from the proprietary parent with field identification number 27RC248. The maternal parents of 27RC248 originated from a cross between the nectarines ‘Autumn Grand’ Nectarine (U.S. Plant Pat. No. 2,894) and ‘Royal Giant’ Nectarine (U.S. Plant Pat. No. 4,107). The paternal parent of 27RC248 originated from a non-melting peach seedling of unknown parentage crossed with the Interspecific tree ‘Citation’ (U.S. Plant Pat. No. 5,112). A large number of these open pollinated seedlings were planted and grown on their own root system, during which time we recognized the potential of the desirable fruit characteristics for processing as a non-melting, clingstone interspecific and, in 1992, selected it for asexual propagation and commercialization.
ASEXUAL REPRODUCTION OF THE VARIETY
Asexual reproduction of the new and distinct variety of interspecific tree was by budding, in 1992, to ‘Nemaguard’ Rootstock (non-patented) as performed by us in our experimental orchard located near Modesto, Calif., and shows that all reproductions run true to the original tree and all characteristics of the tree and its fruit are established and transmitted through succeeding asexual propagations.
SUMMARY OF THE VARIETY
The present new interspecific tree [
Prunus persica
var.
nucipersica×
(
Prunus persica×
(
Prunus salicina×Prunus persica
))] is of large size, vigorous upright growth and a productive and regular bearer of medium size, non-melting, yellow flesh, clingstone fruit, maintaining an excellent shape, texture, appearance and flavor after being canned. The fruit is further characterized by having very firm flesh, ripening relatively uniform throughout the tree and having good shipping and storage quality. After the fruit is cut and exposed to the air, it has a very low tendency toward browning or discoloration of flesh. In comparison to the paternal non-melting peach parent, it has greater production of more uniform fruit. In comparison to the ‘Autumn Grand’ and ‘Royal Giant’ nectarines, it has non-melting flesh, compared to melting flesh and the skin has pubescence compared to glabrous skin.
Gardner Leith Marie
Zaiger Gary Neil
Zaiger Grant Gene
Campell Bruce R.
Grünberg Anne Marie
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