Plants – Fruit – Stone fruit tree
Plant Patent
2002-01-15
2003-01-21
Campell, Bruce R. (Department: 1661)
Plants
Fruit
Stone fruit tree
Plant Patent
active
PP013502
ABSTRACT:
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not applicable.
BACKGROUND OF THE VARIETY
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, and of which almonds, apples, pears, plums, peaches, nectarines, apricots, cherries and interspecifics are exemplary. It was against this background of our activities that the present variety of interspecific tree [(
Prunus salicina×
(
Prunus salicina×Prunus armeniaca
))×
Prunus salicina
] was originated and asexually reproduced by us in our experimental orchard located near Modesto, Stanislaus County, Calif.
Prior Varieties
Among the existing varieties of plum trees which are known to us, and mentioned herein, are ‘Friar’ Plum (non-patented), ‘King David’ Plum (non-patented), ‘Mariposa’ Plum (U.S. Plant Pat. No. 2,111), ‘Ebony’ Plum (U.S. Plant Pat. No. 2,049) and ‘Red Beaut’ Plum (U.S. Plant Pat. No. 2,539).
ORIGIN OF THE VARIETY
The present new variety of interspecific tree [(
Prunus salicina×
(
Prunus salicina×Prunus armeniaca
))×
Prunus salicina
], was originated by us in our experimental orchard, located near Modesto, Calif., as a seedling from an open pollinated interspecific seedling which originated from a first generation cross between proprietary lines of the immediate parents with the field identification numbers 48ED292 and 105GD55. The maternal parent 48ED292 originated from an open pollinated seedling of ‘King David’ Plum (non-patented) crossed with a plumcot derived from a ‘Red Beaut’ Plum (U.S. Plant Pat. No. 2,539) crossed with an apricot of unknown parentage. The pollen parent 105GD55 derived as a seedling from crosses between the plum parents ‘Friar’ Plum (non-patented), ‘Mariposa’ Plum (U.S. Plant Pat. No. 2,111) and ‘Ebony’ Plum (U.S. Plant Pat. No. 2,049). We planted and grew a large number of these seedlings on their own root system and, under close and careful observation, we recognized the desirable fruit characteristics of the present variety and, in 1995, 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 to ‘Nemaguard’ Rootstock (non-patented), as performed by us in our experimental orchard located near Modesto, Calif., and shows that 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 NEW VARIETY
The present variety of interspecific tree [(
Prunus salicina×
(
Prunus salicina×Prunus armeniaca
))×
Prunus salicina
] is of large size, vigorous, upright growth and a regular bearer of large, firm, late maturing fruit with very good flavor and eating quality. The fruit is further characterized by holding firm on the tree 7 to 10 days after maturity, being relatively uniform in size throughout the tree and having excellent storage and shipping quality, having an attractive red skin color and having high soluble solids of 18.3° Brix. In comparison to ‘Friar’ Plum (non-patented), the new variety is cordate in shape with red skin color, compared to an oblate shape, with blue black skin color and the new variety is approximately 2 weeks later in maturity. In comparison to the ‘Ebony’ Plum (U.S. Plant Pat. No. 2,049), the new variety is cordate in shape compared to a round shape and is red in skin color compared to a deep purple blue color.
Gardner Leith Marie
Zaiger Gary Neil
Zaiger Grant Gene
Campell Bruce R.
Grünberg Anne Marie
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