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Cherry tree named `Rosie Rainer`
PP19307 Cherry tree named `Rosie Rainer`
Patent Drawings:Drawing: PP19307-4    
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Inventor: Zaiger, et al.
Date Issued: October 7, 2008
Application: 11/645,272
Filed: December 26, 2006
Inventors: Zaiger; Gary Neil (Modesto, CA)
Gardner; Leith Marie (Modesto, CA)
Zaiger; Grant Gene (Modesto, CA)
Primary Examiner: Haas; Wendy C.
Assistant Examiner:
Attorney Or Agent:
U.S. Class: PLT/181
Field Of Search: PLT/181
International Class: A01H 5/00
U.S Patent Documents:
Foreign Patent Documents:
Other References:

Abstract: A new and distinct variety of cherry tree (Prunus avium). The following features of the tree and its fruit are characterized with the tree budded on `Mahaleb` Rootstock (non-patented), grown on Handford sandy loam soil with Storie Index rating 95, in USDA Hardiness Zone 9, near Modesto, Calif., with standard commercial fruit growing practices, such as pruning, thinning, spraying, irrigation and fertilization. Its novelty consist of the following combination of desirable features: 1. Vigorous upright growth. 2. Heavy and regular production of large size fruit. 3. Fruit with an attractive red blush over yellow-white skin. 4. Fruit with good flavor and eating quality. 5. The ability of the fruit to remain firm on the tree 6 to 7 days past maturity (shipping ripe). 6. Firm fruit with good handling and shipping qualities.
Claim: It is claimed:

1. A new and distinct variety of cherry tree, substantially as illustrated and described, characterized by its large size, vigorous upright growth and a regular and productivebearer of large size fruit with firm flesh that has the ability to remain firm on the tree for 6 to 7 days past maturity, the fruit is further characterized by having an attractive red blush over yellow-white skin, with good flavor and eating quality,and in comparison to its parent `Earlisweet` Cherry (U.S. Plant Pat. No. 9,783), the new variety has yellowish-white skin instead of red and ripens approximately 10 days later.
Description: Botanicalclassification: Prunus avium.

Variety denomination: `Rosie Rainer`.



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 plums, peaches, nectarines, apricots, cherries and interspecifics areexemplary. It was against this background of our activities that the present variety of cherry tree was originated and asexually reproduced by us in our experimental orchard located near Modesto, Stanislaus County, Calif.


Among the existing varieties of cherry trees, which are known to us, and mentioned herein, `Bing` Cherry (non-patented) and `Earlisweet` Cherry (U.S. Plant Pat. No. 9,783).


The new and distinct variety of cherry tree (Prunus avium) was originated by us in our experimental orchard located near Modesto, Calif. as an open pollinated seedling from our proprietary cherry selection with field identification number`181LB359`. The proprietary cherry `181LB359` originated from the crosses of the following cherry parents, `Bing` Cherry (non-patented) and `Earlisweet` Cherry (U.S. Plant Pat. No. 9,783). A large number of these open pollinated seedlings were buddedon older trees of `Mahaleb` Rootstock (non-patented) to induce earlier fruit production, one budded seedling exhibited desirable fruit and tree growth characteristics and was selected in 1997 for additional asexual propagation and commercialization.


Additional asexual reproduction of the new and distinct variety of cherry tree was by budding to `Mahaleb` Rootstock (non-patented), as performed by us in our experimental orchard located near Modesto, Calif., and shows that reproductions runtrue to the original tree and all characteristics of the tree and its fruit are established and transmitted through succeeding asexual propagations.


The new and distinct variety of cherry tree is of large size, vigorous upright growth and a regular and productive bearer of large size fruit with good flavor and eating quality. The fruit is further characterized by having an attractive redblush over yellowish-white skin and firm flesh that has the ability to hold firm on the tree 6 to 7 days past maturity (shipping ripe). In comparison to one of its parents, `Earlisweet` Cherry (U.S. Plant Pat. No. 9,783), the fruit of the new varietyhas highly blushed, yellow skin instead of red and is approximately 10 days later in maturity. In comparison to its other parent `Bing` Cherry (non-patented) the fruit of the new variety is approximately 8 days earlier in maturity.


The accompanying color photographic illustration shows typical specimens of the foliage and fruit of the present new cherry variety. The illustration shows the upper and lower surface of the leaves, an exterior and sectional view of a fruitdivided in its suture plane to show flesh color, pit cavity and the stone remaining in place. The photographic illustration was taken shortly after being picked (shipping ripe) and the colors are as nearly true as is reasonably possible in a colorrepresentation of this type.


The following is a detailed botanical description of the new variety of cherry tree, its flowers, foliage and fruit, as based on observations of 7 year old specimens grown near Modesto, Calif., with color in accordance with Munsell Book of Color. Tree: Size.--Large. Usually pruned to 3 to 3.5 meters in height and width for economical harvesting of fruit. Vigor.--Moderately vigorous. Tree growth of 1.5 to 1.75 meters in height the first growing season. Varies with type of soil, culturalpractices and climatic conditions. Form.--Upright. Usually pruned to vase shape. Branching habit.--Upright crotch angle approximately, increases with heavy crop load. Productivity.--Productive. Produces adequate fruit set annually. Bearer.--Regular, adequate fruit set for 4 consecutive years. Amount of fruit set varies with number of pollinator trees per acre, climatic conditions and cultural conditions. Fertility.--Self-sterile, pollinator required. Density.--Medium dense. Pruned to vase shape to allow sunlight and air movement to center of tree to enhance fruit color and health of fruit spurs. Hardiness.--Hardy in all stone fruit growing areas of California. Tree grown in USDA Hardiness Zone 9. Winter chillingrequirement is approximately 850 hours at or below F. Trunk: Size.--Large. Measured 38.1 cm at 35.6 cm from the ground on a 7 year old tree. Stocky.--Medium stocky. Texture.--Medium rough, roughness increases with age. Color.--Varies from7.5YR 2/2 to 7.5YR 6/2. Branches: Size.--Medium. Average circumference 17.5 cm measured 1.5 meters above ground. Surface texture.--New growth smooth. Old growth medium rough, becomes rougher with age. Lenticels.--Average number 20 in a 25.8 sq cmsurface area of branch. Size -- average length 4.36 mm, average width 1.54 mm. Color varies from 5YR 5/8 to 7.5YR 5/10. Color.--New growth varies from 5GY 6/8 to 5GY 5/8. Old growth varies from 10R 3/2 to 2.5YR 3/2, varies with age of growth. Leaves: Size.--Large. Average length 167.1 mm. Average width 67.6 mm. Form.--Lanceolate. Apex.--Acuminate. Base.--Cuneate. Margin.--Doubly serrate. Thickness.--Medium. Surface texture.--Upper surface relatively smooth, slight indentations overmidrib and pinnate venation, glabrous. Lower surface smooth except for small ridges created by midrib and pinnate venation, glabrous. Petiole.--Average length 42.8 mm. Average width 2.3 mm. Color varies from 2.5GY 5/6 to 7.5R 2/4 where exposed tosunlight. Longitudinal groove, very shallow. Surface -- glabrous. Glands.--Reniform. Size -- large. Average length 2.9 mm. Average width 2.0 mm. Average number 2, varies from 1 to 3. Located primarily on the upper portion of the petiole. Colorvaries from 7.5R 3/8 to 7.5R 2/8. Color.--Upper surface varies from 5GY 4/8 to 5GY 3/6. Lower surface varies from 5GY 4/4 to 5GY 4/6. Midvein color varies from 10Y 7/6 to 2.5GY 7/6. Flower buds: Size.--Medium. Average length 15.4 mm. Averagediameter 8.6 mm. Hardiness.--Hardy with respect to California winters. Form.--Conical, becoming elongated before opening. Pedicel.--Average length 15.1 mm. Average width 1.1 mm. Color varies from 5GY 5/6 to 5GY 5/8. Color.--N 9.5/ (white). Numberof buds per spur.--Average 17, varies from 15 to 27. Flowers: Blooming period.--Date of First Bloom Mar. 8, 2005. Date of Petal Fall Mar. 15, 2005, varies slightly with climatic conditions. Size.--Medium. Average height 17.6 mm. Average diameter27.7 mm. Petals.--Number 5, alternately arranged to sepals. Size -- medium. Average length 14.8 mm. Average width 14.0 mm. Orbicular, narrows at point of attachment. Margin sinuate. Color N 9.5/ (white). Sepals.--Number 5, alternately arranged topetals. Size -- small to medium. Average length 5.9 mm. Average width 4.0 mm. Ovate, margin entire. Upper and lower surface glabrous. Color -- upper surface varies from 5GY 6/8 to 5GY 5/8. Lower surface varies from 5GY 6/10 to 5GY 5/8. Stamens.--Average number 38. Average filament length 11.1 mm. Filament color N 9.5/ (white). Anther color varies from 5Y 8.5/8 to 5Y 8/6. Pollen.--Present, pollinator required, not self fruitful. Color varies from 2.5Y 7/10 to 5Y 7/10. Pistil.--Normally 1. Surface -- glabrous. Average length 13.7 mm. Position of stigma even in height with the anthers. Color varies from 2.5GY 8/6 to 2.5GY 7/8. Fragrance.--Slight fragrance. Color.--N 9.5/ (white). Number flowers per flowerbud.--Average 5, varies from 5 to 7. Pedicel.--Average length 20.3 mm. Average width 1.2 mm. Color varies from 5GY 5/6 to 5GY 4/8. Fruit: Maturity when described.--Firm ripe. Date of first picking.--May 10, 2005. Date of last picking.--May 17,2005, varies slightly with climatic conditions. Size.--Large. Average diameter axially 26.5 mm. Average transversely in suture plane 26.6 mm. Average weight 12.8 grams, varies slightly with fertility of the soil, cultural practices and climaticconditions. Form.--Globose to slightly oblate. Suture.--Shallow, relatively smooth, extends from base to apex. Ventral surface.--Nearly rounded. Apex.--Rounded to slight depression. Base.--Retuse. Cavity.--Rounded. Average depth 1.5 mm. Averagediameter 5.5 mm. Stem: Size.--Large. Average length 45.5 mm. Average diameter 1.7 mm. Color.--Varies from 5GY 5/6 to 5GY 4/8. Flesh: Ripens.--Relatively even. Texture.--Firm. Fibers.--Few, small and tender. Aroma.--Moderate. Amydgalin.--Undetected. Eating quality.--Good. Flavor.--Good. Good balance between sugar and acid. Juice.--Moderate amount, enhances flavor. Brix.--Average Brix, varies slightly with amount of fruit per tree and climatic conditions. Color.--Varies from 5Y 9/2 to 5Y 9/4. Pit cavity varies from 2.5Y 8/4 to 2.5Y 8/6. Skin: Thickness.--Medium. Surface.--Smooth. Bloom.--Wanting. Tendency to crack.--None during dry weather. Slight tendency to crack during wet weather, varies withstage of fruit maturity. Color.--Ground color varies from 5Y 8.5/4 to 5Y 8/4. Where the fruit is exposed to sunlight a blush develops which color varies from 5R 4/12 to 7.5R 3/12. Tenacity.--Tenacious to flesh. Astringency.--None. Stone: Type.--Semifreestone, slight adherence of flesh along ventral edge. Size.--Average length 11.4 mm. Average width 10.5 mm. Average thickness 8.3 mm. Form.--Obovoid. Base.--Flat to slightly rounded. Apex.--Rounded to slight apical point. Length 0.3 mm. Surface.--Smooth with slight ridges along each side of the suture. Sides.--Varies from equal to unequal. Some stones having one side extending a greater distance from the suture plane. Ridges.--Two very small narrow ridges running along each side ofthe suture. Tendency to split.--None. Color.--Varies from 10YR 6/4 to 10YR 5/6 when dry. Kernal: Form.--Ovate. Taste.--Bitter. Viability.--Viable, complete embryo development. Size.--Average length 7.8 mm. Average width 6.0 mm. Average depth 5.0mm. Skin.--Color varies from 5Y 9/4 to 7.5Y 9/4 when dry. Use: Dessert. Market, local and long distance. Keeping quality: Good, held firm in storage 2 weeks at to F. without shriveling, internal breakdown of flesh orappreciable loss of eating quality. Shipping quality: Good, minimal bruising or scarring in packing and shipping trials. Plant/fruit disease resistance/susceptibility: No specific testing for relative plant/fruit disease resistance/susceptibility hasbeen designed. Under close observation during planting, growing, and harvesting of fruit, under normal cultural and growing conditions near Modesto, Calif., no particular plant/fruit disease resistance or susceptibility has been observed. Any varietyor selection observed during indexing of plant characteristics with abnormal fungus, bacterial, virus or insect susceptibility is destroyed and eliminated from our breeding program.

The present new variety of cherry tree, its flowers, foliage and fruit herein described may vary in slight detail due to climate, soil conditions and cultural practices under which the variety may be grown. The present description is that of thevariety grown under the ecological conditions prevailing near Modesto, Calif.

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