Plants – Fruit – Stone fruit tree
Plant Patent
2002-11-21
2003-10-21
Campell, Bruce R. (Department: 1661)
Plants
Fruit
Stone fruit tree
Plant Patent
active
PP014247
ABSTRACT:
Botanical classification:
Prunus salicina.
Variety denomination: ‘August Yummy®’.
BACKGROUND OF THE VARIETY
In a continuing effort to improve the quality of shipping fruits, I, the inventor, typically hybridize a large number of peach, nectarine, plum, apricot, and cherry seedlings each year. I also grow a lesser number of open pollinated seeds of each of these fruits. The present invention relates to a new and distinct variety of plum tree, which has been denominated varietally as ‘August Yummy®’. Yummy® is a U.S. Trademark, application Ser. No. 75/618,722, owned by Johnny Appleseed Holdings Limited, Saint Georges Road South RD2, Hastings, New Zealand. Permission to use has been granted to the applicant by contract.
During a typical blooming season I isolate as seed parents both individual and groups of different plum trees by covering them with screen houses. A hive of bees is placed inside each such house and bouquets to provide pollen from different plum, apricot, and plum-apricot hybrid trees are placed near the trees approximately every three days for the duration of the bloom. During 1996 one such house with a tree of ‘Grand Rosa’ (U.S. Plant Pat. No. 1,756) was crossed by me in this manner. To pollinate this ‘Grand Rosa’ tree, I selected bouquets from several sources that season without keeping written details. Upon reaching maturity the fruit from this ‘Grand Rosa’ tree was harvested and the seeds were removed, cracked, stratified and germinated as a group with the label “42PH11”. They were grown as seedlings on their own root in my greenhouse and, upon reaching dormancy, transplanted to a cultivated area of my experimental orchard at Bradford Farms near Le Grand, Calif. in Merced County (San Joaquin Valley). During the summer of 2000, the present variety was selected as a single plant from the group of seedlings described above. Therefore, the variety was developed as a first generation cross using ‘Grand Rosa’ (U.S. Plant Pat. No. 1,756) plum as the selected seed parent and an undetermined plum as the pollen parent. Subsequent to origination of the present variety of plum tree, I asexually reproduced it by budding and grafting in the experimental orchard described above, and such reproduction of plant and fruit characteristics were true to the original plant in all respects. The reproduction of the variety included the use of ‘Nemaguard’ (unpatented) rootstock upon which the present variety was compatible and true to type.
The present variety is most similar to its seed parent, ‘Grand Rosa’ (U.S. Plant Pat. No. 1,756), by being self-unfruitful and by producing plums that are globose to oblate in shape, mostly red in skin color, and yellow with some red bleeding in flesh color but is distinguished therefrom and an improvement thereon by producing plums that are clingstone instead of semi-freestone, that are smoother in skin surface, that are sweeter in flavor, that do not have a tendency to tip crack, and that mature about 3 weeks later.
SUMMARY OF VARIETY
The present plum variety is characterized by a medium size, vigorous, hardy, and usually productive tree. Being self-unfruitful, the present variety requires cross pollinization from another plum that blooms during the mid season, such as ‘Blackamber’ (unpatented). The present variety's abundance of blossoms and pollen entices strong bee activity to facilitate pollination. The fruit matures under the ecological conditions described during mid August, with first picking on Aug. 11, 2002, but will hang on the tree for nearly twenty more days. The fruit is uniformly large in size, dark red in skin color, clingstone in type, yellow with some red bleeding in flesh color, very firm and crisp in texture, very good in flavor, and holds well in cold storage for more than thirty days.
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