USPP17258P2 - Peach tree named ‘Burpeachtwentytwo’ - Google Patents
Peach tree named ‘Burpeachtwentytwo’ Download PDFInfo
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- USPP17258P2 USPP17258P2 US11/291,432 US29143205V USPP17258P2 US PP17258 P2 USPP17258 P2 US PP17258P2 US 29143205 V US29143205 V US 29143205V US PP17258 P2 USPP17258 P2 US PP17258P2
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- 235000006040 Prunus persica var persica Nutrition 0.000 title claims abstract description 29
- 240000005809 Prunus persica Species 0.000 title abstract description 3
- 244000144730 Amygdalus persica Species 0.000 claims abstract description 28
- 238000003306 harvesting Methods 0.000 claims abstract description 7
- 235000011446 Amygdalus persica Nutrition 0.000 abstract description 2
- 235000013399 edible fruits Nutrition 0.000 description 36
- 239000004575 stone Substances 0.000 description 17
- 230000005070 ripening Effects 0.000 description 12
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- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- 235000003840 Amygdalus nana Nutrition 0.000 description 1
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- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
- A01H6/74—Rosaceae, e.g. strawberry, apple, almonds, pear, rose, blackberries or raspberries
- A01H6/7427—Prunus, e.g. almonds
- A01H6/7463—Peaches
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
- A01H5/08—Fruits
Definitions
- the present variety of peach tree resulted from an on-going program of fruit and nut tree breeding.
- the purpose of this program is to improve the commercial quality of deciduous fruit and nut varieties, and rootstocks, by creating and releasing promising selections of prunus, malus and regia species.
- To this end we make both controlled and hybrid cross pollinations each year in order to produce seedling populations from which improved progenies are evaluated and selected.
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physiology (AREA)
- Botany (AREA)
- Developmental Biology & Embryology (AREA)
- Environmental Sciences (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
A new and distinct variety of peach tree (Prunus persica), which is denominated varietally as ‘Burpeachtwentytwo’, and which produces an attractively colored yellow-fleshed, clingstone peach which is mature for harvesting and shipment approximately April 28 to May 8 under the ecological conditions prevailing in the San Joaquin Valley of central California.
Description
The present invention relates to a new, novel and distinct variety of peach tree, Prunus persica, and which has been denominated varietally as ‘Burpeachtwentytwo’.
The present variety of peach tree resulted from an on-going program of fruit and nut tree breeding. The purpose of this program is to improve the commercial quality of deciduous fruit and nut varieties, and rootstocks, by creating and releasing promising selections of prunus, malus and regia species. To this end we make both controlled and hybrid cross pollinations each year in order to produce seedling populations from which improved progenies are evaluated and selected.
The seedling, ‘Burpeachtwentytwo’ was originated by us and selected from a population of seedlings growing in our experimental orchards located near Fowler, Calif. The seedlings, grown on their own roots, were derived from a cross that we made in 2000 of an unnamed, un-patented, early ripening, yellow-fleshed, clingstone peach tree which was used as the seed parent; and the low chill ‘Tropic Beauty’ peach tree (un-patented), which was used as the pollen parent. The seeds were embryo cultured, in vitro, and then subsequently grown in a greenhouse to an appropriate stage. Subsequently, the new plants were field planted and grown for further evaluation. One seedling which is the present variety, exhibited especially desirable characteristics, and was designated as ‘J40.110’. This seedling was marked for subsequent observation. After the 2001 fruiting season, the new variety of peach tree was selected for advanced evaluation and repropagation.
Asexual reproduction of this new and distinct variety of peach tree was accomplished by budding the new peach tree to ‘Nemaguard’ Rootstock (un-patented). This was performed by us in our experimental orchard which is located near Fowler, Calif. Subsequent evaluations of these asexually reproduced plants have shown those asexual reproductions run true to the original tree. All characteristics of the original tree, and its fruit, were established, and appear to be transmitted through these succeeding asexual propagations.
‘Burpeachtwentytwo’ is a new and distinct variety of peach tree, which is considered of relatively large size, and which has vigorous growth. This new peach tree is also a regular and productive bearer of relatively large, firm, yellow-fleshed, clingstone fruit which have good flavor and eating qualities. This new tree has a low chilling requirement of approximately 250 hours, and further produces relatively uniformly sized fruit throughout the tree. In addition to the foregoing, the fruit of the new tree also appears to have good handling and shipping qualities. The ‘Burpeachtwentytwo’ peach tree bears fruit which are ripe for commercial harvesting and shipment on approximately April 28 to May 5 under the ecological conditions prevailing in the San Joaquin Valley of central California. In relative comparison with the ‘Tropic Beauty’ peach tree, which is the pollen parent, the present new variety of peach tree bears fruit which ripen about 10 or more days earlier at the same geographical location. In relative comparison to the unnamed peach which was the seed parent, the fruit of the present new variety of peach tree has larger fruit. In relative comparison to the peach, ‘Queencrest’ (U.S. Plant Pat. No. 6,025), which is the most similar variety known to the inventors at this time, the present new variety produces fruit which ripens 7 days or more earlier.
The accompanying drawing, which is provided, is a color photograph of the new peach tree variety. The photograph depicts two whole mature fruit, and one mature fruit dissected slightly above the equatorial plane at the basal end, and which reveals the flesh characteristics thereof. The external coloration of the fruit as shown in the photograph is sufficiently matured for harvesting and shipment. Additionally, the photograph displays a sample vegetative shoot bearing typical leaves. The colors in this photograph are as nearly true as is reasonably possible in a color representation of this type. Due to chemical development, processing and printing, the leaves and fruit depicted in these photographs may or may not be accurate when compared to the actual specimen. For this reason, future color references should be made to the color plates (Royal Horticultural Society) and descriptions provided hereinafter.
Referring more specifically to the pomological details of this new and distinct variety of peach tree, the following has been observed during the fourth fruiting season under the ecological conditions prevailing at orchards of the assignee which are located near the town of Fowler, county of Fresno, state of California. All major color code designations are by reference to The R.H.S. Colour Chart (Fourth Edition) provided by The Royal Horticultural Society of Great Britain. Common color names are also occasionally used.
- Tree:
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- Size.—Generally — Considered large as compared to other common commercial peach cultivars ripening in the late season of maturity. The tree of the present variety was pruned to a height of approximately 320.0 cm to about 330.0 cm at maturity.
- Vigor.—Considered vigorous. The present peach tree variety grew from about 175.0 cm to about 185.0 cm in height during the first growing season. The new variety was pruned to a height of approximately 150.0 cm during the first dormant season, and primary scaffolds were then selected for the desired tree structure.
- Productivity.—Productive. Fruit set varies from about 2.5 to several times more than the desired crop load. The fruit set is spaced by thinning to develop the remaining fruit into the desired market sized fruit. The number of the fruit set varies with the prevailing climatic conditions, and cultural practices employed during the bloom period, and is therefore not distinctive of the variety.
- Bearer.—Regular. Fruit set has been heavy during the previous years of observation, and thinning was necessary during the past 4 years on both the original seedling and also on the subsequent propagations.
- Form.—Upright, and pruned into a vase shape.
- Density.—Considered dense. It has been discovered that pruning the branches from the center of the tree to obtain a resulting vase shape allows for air movement and appropriate amounts of sunlight to enhance fruit color and renewal of fruiting wood throughout the tree.
- Hardiness.—The present tree was grown and evaluated in USDA Hardiness Zone 9. Winter chilling requirements of the new tree are approximately 250 hours below 7.0 degrees C. The variety appears to be hardy under typical central San Joaquin Valley climatic conditions. Because of its lower chilling requirement the present tree appears that it could be suitably grown in climates that have fewer chilling hours than that of USDA Hardiness Zone 9.
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- Trunk:
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- Diameter.—Approximately 10.6 cm in diameter when measured at a distance of approximately 15.24 cm above the soil level. This measurement was taken at the end of the fourth growing season.
- Bark texture.—Considered moderately rough, with numerous folds of papery scarfskin being present.
- Lenticels.—Numerous flat, oval lenticels are present. The lenticels range in size from approximately 4.0 millimeters in width, and about 1.0 millimeter in height.
- Lenticel color.—Considered an orange brown, (RHS Greyed-Orange Group N172 D).
- Bark coloration.—Variable, but it is generally considered to be a medium grey-brown, (RHS Greyed-Green Group 197 B).
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- Branches:
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- Size.—Considered medium for the variety.
- Diameter.—Average as compared to other peach varieties. The branches have a diameter of about 7.0 centimeters when measured during the fourth year after grafting.
- Surface texture.—Average, and appearing furrowed on wood which is several years old.
- Crotch angles.—Primary branches are considered variable and are between about 48 to about 54 degrees when measured from a horizontal axis. This particular characteristic is not considered distinctive of the variety, however.
- Current season shoots.—Surface texture — Substantially glabrous.
- Internode length.—Approximately 2.4 cm.
- Color of mature branches.—Grey brown, (RHS Greyed-Green group 197 C).
- Current seasons shoots.—Color — Light green, (RHS Yellow-Green Group 146 A). The color of new shoot tips is considered a bright and shiny green (RHS Green Group 141 B).
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- Leaves:
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- Size.—Considered medium large for the species. Leaf measurements have been taken from vigorous, upright, current-season growth at approximately mid-shoot.
- Leaf length.—Approximately 158.0 to about 181.0 millimeters.
- Leaf width.—Approximately 35.0 to about 45.0 millimeters.
- Leaf base shape.—Considered reasonably uniform in margin symmetry relative to the leaf longitudinal axis.
- Leaf form.—Lancelolate.
- Leaf tip form.—Acuminate.
- Leaf color.—Upper Leaf Surface — Dark green, (approximately RHS Green Group 139 A).
- Leaf texture.—Glabrous.
- Leaf color.—Lower Surface — Medium green, (RHS Green Group 137 C).
- Leaf venation.—Pinnately veined.
- Mid-vein.—Color— Considered a light yellow-green, (RHS Yellow-Green Group 154 C) in the early to mid period of the growing season. After such time, and with advancing senescence, the mid-vein begins to redden and turns to a purple red color (RHS Greyed-Purple Group 184 C). The mid-vein reddening characteristic is often typical of early ripening selections.
- Leaf margins.—Slightly undulating.
- Form.—Considered finely crenate.
- Uniformity.——Considered generally uniform.
- Leaf petioles.—
- Size.—Considered medium long.
- Length.—About 6.0 to about 12.0 mm.
- Diameter.—About 1.5 to about 2.0 mm.
- Color.—Pale green, (RHS Yellow-Green Group 152 B).
- Leaf glands.—
- Size.—Considered small. Approximately 1.0 mm in length, and about 1.0 mm in height.
- Number.—Generally one gland per margin side. Occasionally two glands per margin side.
- Type.—Reniform.
- Color.—Considered a dark tan (RHS Grey-Brown Group 166 C).
- Leaf stipules.—
- Size.—Medium large for the variety.
- Number.—Typically 2 per leaf bud and up to 6 per shoot tip.
- Form.—Lanceolate in form and having a serrated margin.
- Color.—Green, (RHS Green Group 139 A) when young, but graduating to a brown color, (RHS Greyed-Orange group 174 B) with advancing senescence. The stipules are considered to be early deciduous.
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- Flowers:
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- Flower buds.—Generally — Depending upon the stage of development, the flower buds are approximately 9.0 millimeters wide; about 14.0 millimeters long; conic in form; and slightly appressed relative to the bearing shoot.
- Flower buds.—Color — This characteristic is dependent upon the proximity to bloom. The bud scales are deep purple, (approximately RHS Greyed-Purple Group N186 C). The buds are considered hardy under typical central San Joaquin Valley climatic conditions.
- Hardiness.—No winter injury has been noted during the last several years of evaluation in the central San Joaquin Valley. The current variety has not been intentionally subjected to drought or heat stress, and therefore this information is not available.
- Date of first bloom.—Observed on Jan. 15, 2004.
- Blooming time.—Considered early in relative comparison to other commercial peach cultivars grown in the central San Joaquin Valley. The date of full bloom was observed on Jan. 20, 2004. The date of full bloom varies slightly with climatic conditions and prevailing cultural practices.
- Duration of bloom.—Approximately 8 days. This characteristic varies slightly with the prevailing climatic conditions.
- Flower type.—The variety is considered to have a showy type flower.
- Flower size.—The flower diameter at full bloom is approximately 44.0 to about 53.0 millimeters.
- Bloom quantity.—Considered abundant.
- Flower bud frequency.—Normally 1 to 2 flower buds appear per node.
- Petal size.—Generally — Considered medium for the species.
- Length.—Approximately 22.0 to about 24.0 millimeters.
- Width.—Approximately 18.0 to about 21.0 millimeters.
- Petal form.—Considered ovate.
- Petal count.—Nearly always 5.
- Petal texture.—Glabrous.
- Petal color.—Light pink, (RHS Red-Purple Group 65 C) to a medium pink, (RHS Red-Purple Group 65 A).
- Fragrance.—Slight.
- Petal claw.—.
- Form.—The claw is considered generally ovoid, and has a medium size when compared to other varieties.
- Length.—Approximately 8.0 to about 12.0 millimeters.
- Width.—Approximately 7.0 to about 10.0 millimeters.
- Petal margins.—Generally considered variable, from nearly smooth to slightly ruffled, and moderately undulate to ruffled.
- Petal apex.—Generally — The petal apices generally appear entire at the tip with occasional notching located at the apices.
- Flower pedicel.—
- Length.—Considered medium-long, and having an average length of approximately 5.0 to about 6.0 millimeters.
- Diameter.—Considered average, approximately 3.0 millimeters.
- Color.—A medium brown, (RHS Grey-Brown Group N199 C).
- Floral nectaries.—
- Color.—A dull orange, (RHS Greyed-Orange Group N172 D).
- Calyx.—
- Surface texture.—Generally glabrous.
- Color.—A dull purple, (approximately RHS Greyed-Purple Group 187 C).
- Sepals.—
- Surface texture.—The surface of the sepals have a short, fine pubescent texture.
- Size.—Average, and ovate in form.
- Color.—A dull red, (approximately RHS Greyed-Red Group 182 B).
- Anthers.—
- Generally.—Average in length.
- Color.—A bright golden yellow, (approximately RHS Yellow Group 9 C).
- Pollen production.—Pollen is abundant, and has a yellow color, (approximately RHS Yellow-Orange Group 17 B).
- Fertility.—No pollinator is required.
- Filaments.—
- Size.—Length is variable, approximately 12.0 to about 15.0 millimeters long.
- Color.—Considered white but turns to a light pink, (RHS Red Group 55 D).
- Pistil.—
- Number.—Usually 1, occasionally 2.
- Generally.—Average in size.
- Length.—Approximately 16.0 to about 19.0 millimeters including the ovary.
- Color.—Considered a very pale green, (approximately RHS Yellow-Green Group 145 C).
- Surface texture.—The variety has a long pubescent pistil.
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- Fruit:
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- Maturity when described.—Firm ripe condition (shipping ripe).
- Date of first picking.—Apr. 28th, 2004. Date of last picking — May 5, 2004. The date of harvest varies slightly with the prevailing climatic conditions.
- Size.—Generally — Considered large, and uniform.
- Average cheek diameter.—Approximately 68.0 to about 74.0 millimeters.
- Average axial diameter.—Approximately 67.0 to about 72.0 millimeters.
- Typical weight.—Approximately 185.0 grams. This characteristic is highly dependent upon the prevailing cultural practices, and therefore is not particularly distinctive of the variety.
- Fruit form.—Generally — Considered rounded. The fruit is generally uniform in symmetry. It should be noted that occasional asymmetry can occur in the axial hemispheres of the fruit.
- Fruit suture.—Very shallow and appearing almost non-indented. The fruit suture extends from the base to the apex. Slight grooving is typically observed toward the apex. No apparent callousing or stitching exists along the suture line.
- Suture.—Color —Generally blushed to the same degree as the skin, (approximately RHS Red Group 46 B).
- Ventral surface.—Form — Only slightly indented.
- Apex.—Rounded.
- Base.—Gently retuse.
- Stem cavity.—Generally rounded and uniform. Average depth of the stem cavity is about 5.0 mm. Average width of the stem cavity is about 10 mm.
- Fruit skin.—
- Thickness.—Considered medium in thickness, and tenacious to the flesh.
- Texture.—Short, fine and pubescent. The pubescence is moderately abundant.
- Taste.—Non-astringent.
- Tendency to crack.—None observed.
- Color.—
- Blush color.—Generally speaking, a red blush exists on a majority of the skin of the fruit (approximately RHS Red Group 46 B), and is typically more present on the basal portions of the fruit. The blush covers approximately 70-80% of the fruit skin surface. The percentage of the blush on the fruit skin surface can vary, and is generally dependent upon the prevailing ecological and cultural conditions under which the fruit is grown.
- Ground color.—Yellow, (approximately RHS Yellow Group 11 C).
- Fruit stem.—Medium in length, approximately 6.0 to about 8.0 millimeters.
- Diameter.—Approximately 2.0 to about 3.0 millimeters.
- Color.—Pale yellow-green, (approximately RHS Yellow-Green Group N144 D).
- Flesh.—
- Ripening.—Considered even.
- Texture.—Firm, juicy and dense. Considered firm-melting.
- Fibers.—Few are found.
- Aroma.—Very slight.
- Eating quality.—Considered very good.
- Flavor.—Considered sweet and mildly acidic. The flavor is considered both pleasant and balanced.
- Juice production.—Moderate.
- Brix.—About 14.0 degrees. This characteristic varies slightly with the number of fruit per tree; prevailing cultural practices; and the surrounding climatic conditions.
- Flesh color.—Pale yellow-orange, (approximately RHS Yellow-Orange Group 20D).
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- Stone:
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- Type.—Clingstone.
- Size.—Considered medium-large for the variety. The stone size varies significantly depending upon the tree vigor, crop load and prevailing growing conditions.
- Length.—Average, about 26.0 to about 30.0 millimeters.
- Width.—Average, about 22.0 to about 25.0 millimeters.
- Diameter.—Average, about 15.0 to about 18.0 millimeters.
- Form.—Ovoid.
- Base.—The stone is usually rounded and considered narrow or slightly elongated relative to the general shape.
- Apex.—Shape — The stone apex is slightly lobed and generally without a prominent apical tip.
- Stone surface.—
- Surface texture.—Generally speaking, in view of the early ripening nature of the present variety, the stone of the present variety normally does not have sufficient time to develop and mature when compared to the stones of medium or later ripening varieties. Additionally, because lignification has just begun to occur when the present variety has ripened, few dependable descriptors can be assigned to the stones characteristics. Consequently, the characteristics as described, hereinafter, can vary widely. Consequently, the description which follows cannot be considered a full and complete description of the characteristics of this plant.
- Ridges.—Because of the early ripening nature of the present variety, the stone normally does not have sufficient time to develop and mature when compared to the stones of medium or later ripening varieties. Additionally, because lignification has just begun to occur when the present variety has ripened, few dependable descriptors can be assigned to the stones characteristics.
- Ventral edge.—Because of the early ripening nature of the present variety, the stone normally does not have sufficient time to develop and mature when compared to med or later ripening varieties. Additionally because lignification has just begun to occur when the present variety has ripened, few dependable descriptors can be assigned to the stones characteristics.
- Dorsel edge.—Shape. Because of the early ripening nature of the present variety, the stone normally does not have sufficient time to develop and mature when compared to medium or later ripening varieties. Additionally because lignification has just begun to occur when the present variety has ripened, few dependable descriptors can be assigned to the stones characteristics.
- Stone color.—The color of the dry stone is generally considered a pale yellow white, (approximately Yellow Group RHS 11 D). This is variable however, and may be affected by oxidation. In view of this variability, this characteristic cannot be considered distinctive of the variety.
- Tendency to split.—Splitting has occasionally been noted.
- Kernel.—
- Size.—The kernel is considered medium-small.
- Form.—Considered generally ovoid but as the immature embryo and its cotyledons have not fully developed, the kernel form is generally considered shriveled and underdeveloped especially on the basal end.
- Pellicle.—Slightly pubescent.
- Color.—(RHS Yellow-Orange Group 19 D).
- Use.—The subject variety ‘Burpeachtwentytwo’ is considered to be a peach tree of the early season of maturity, and which produces fruit which are considered to be firm, attractively colored, and which are useful for both local and long distance shipping.
- Keeping quality.—Appears excellent. Fruit has stored well up to 25 days after harvest at 1.0 degree Celsius.
- Shipping quality.—Good. The fruit of the new peach tree variety showed minimal bruising of flesh or skin damage after being subjected to normal harvest and packing procedures.
- Resistance to insects and disease.—No particular susceptibilities were noted. The present variety has not been tested to expose or detect any susceptibilities or resistances to any known plant and/or fruit diseases.
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Although the new variety of peach tree possesses the described characteristics when grown under the ecological conditions prevailing near Fowler, Calif., in the Central part of the San Joaquin Valley of California, it should be understood that variations of the usual magnitude and characteristics incident to changes in growing conditions, fertilization, pruning, pest control and horticultural management are to be expected.
Claims (1)
1. A new distinct variety of peach tree, substantially as illustrated and described, and which is characterized principally as to novelty by producing an attractively colored yellow-fleshed, clingstone peach which is mature for harvesting and shipment approximately April 28 to May 5 under the ecological conditions prevailing in the San Joaquin Valley of central California.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/291,432 USPP17258P2 (en) | 2005-12-01 | 2005-12-01 | Peach tree named ‘Burpeachtwentytwo’ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/291,432 USPP17258P2 (en) | 2005-12-01 | 2005-12-01 | Peach tree named ‘Burpeachtwentytwo’ |
Publications (1)
Publication Number | Publication Date |
---|---|
USPP17258P2 true USPP17258P2 (en) | 2006-12-05 |
Family
ID=37480764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/291,432 Active 2025-12-09 USPP17258P2 (en) | 2005-12-01 | 2005-12-01 | Peach tree named ‘Burpeachtwentytwo’ |
Country Status (1)
Country | Link |
---|---|
US (1) | USPP17258P2 (en) |
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2005
- 2005-12-01 US US11/291,432 patent/USPP17258P2/en active Active
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Date | Code | Title | Description |
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AS | Assignment |
Owner name: BURCHELL NURSERY, INC., THE, CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SLAUGHTER, JOHN K.;GERDTS, TIMOTHY J.;REEL/FRAME:017294/0644 Effective date: 20051130 |