USPP8068P - Prima Black Plum 8-15 - Google Patents

Prima Black Plum 8-15 Download PDF

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Publication number
USPP8068P
USPP8068P US07/633,317 US63331790V US8068P US PP8068 P USPP8068 P US PP8068P US 63331790 V US63331790 V US 63331790V US 8068 P US8068 P US 8068P
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plum
plum tree
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new
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US07/633,317
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Michael R. Gerawan
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Gerawan Farming LLC
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Assigned to GERAWAN FARMING LLC reassignment GERAWAN FARMING LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GERAWAN, MICHAEL R.
Assigned to ROYAL BANK OF CANADA reassignment ROYAL BANK OF CANADA SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GERAWAN FARMING LLC, WAWONA PACKING CO. LLC
Assigned to GERAWAN FARMING LLC, WAWONA PACKING CO. LLC reassignment GERAWAN FARMING LLC RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: ROYAL BANK OF CANADA, AS ADMINISTRATIVE AGENT
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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
    • A01H6/7472—Plums
    • 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 invention relates to a new and distinct variety of plum tree, hereinafter be denominated varietally as the "Prima Black Plum 8-15" plum tree, and more particularly to a plum tree which produces freestone fruit having a distinctive catawba coloration with flesh of a nankeen coloration with a mild subacid flavor, the fruit having a pronounced pistil point and being mature for harvesting and shipment approximately the first week of August in the San Joaquin Valley of central California.
  • the new variety of the present invention possesses a number of attributes which caused it to be selected for further development and which are believed to indicate a promising commercial life.
  • the fruit of the "Prima Black Plum 8-15" plum tree is freestone and of large size averaging between 66 mm and 71 mm in diameter.
  • the fruit exhibits a distinctively pronounced pistil point and has a particularly attractive coloration.
  • the skin coloration is catawba and the flesh is nankeen, the contrast being particularly attractive.
  • the fruit ripens for harvest about two weeks after the "Friar" plum tree, or about the first week of August in the San Joaquin Valley of central California.
  • the present variety of plum tree hereof was discovered in 1984 by the inventor as an open pollinated seedling in a cultivated area on the inventor's property Ranch 33 in Sanger in the San Joaquin Valley of central California.
  • the new variety was selected as the result of a mass breeding program.
  • the seedling was selected from this program, but its parentage is unknown.
  • Seeds collected for the mass breeding program came from several ranches encompassing nearly five thousand acres growing many varieties of tree fruit. No effort was made to retain the specific pedigree of any particular seed lot.
  • the inventor asexually reproduced the new variety by grafting and budding test trees on the same property. The test trees have been observed through several growing seasons and the inventor has witnessed that the progeny have characteristics identical to those observed in the parent.
  • the "Prima Black Plum 8-15" plum tree is characterized as to novelty by producing freestone fruit which are symmetrical in form being globose to slightly oblate with a pronounced pistil point.
  • the fruit of the new variety is of large size averaging from 66 mm to 71 mm in diameter and has a distinctive skin coloration of catawba with a flesh of nankeen and is ripe for commercial harvesting and shipment approximately the first week in August in the San Joaquin Valley of central California.
  • the accompanying drawing is a photograph showing the plum tree of the new variety including fruit of the new variety sectioned one with the stone removed to expose the pit cavity and the other with the stone left in place; a second in top plan view showing the apex end thereof; a third in side elevation showing the pronounced pistil point thereof; a fourth in bottom plan view to show the base thereof; and a fifth in top plan view with its natural waxy coating left in place; and representative foliage of the new variety.
  • Figure.--Upright The subject variety is upright to upright-spreading in form.
  • the asexually reproduced trees were pruned in a standard vase-shaped configuration.
  • Glandular characteristics 1 to 3, globose, opposite and alternate.
  • Leaf stipules present, two per leaf occurring at the base of the petiole. Stipules relatively long and lanceolate in form.
  • Leaf glands One to three on base of leaf margin. In addition, glands can occur on the petiole, variable in number from none to two.
  • Diameter.--Fully expanded averages from 14 mm (0.5511 inches) to 15 mm (0.5905 inches). At full maturity the flowers are slightly cupped inwards.
  • Shape --Variable from ovate to oval in form.
  • Petal margins Moderately undulate.
  • Petal Apices Variable but most often obtuse.
  • Pedicel Moderately long from 15 mm (0.5905 inches) to 16 mm (0.6299 inches).
  • Pedicel surface Glabrous.
  • Average diameter transverse in the suture plane --65 mm (2.6 inches) to 70 mm (2.8 inches).
  • Average diameter transverse and at right angles to the suture plane is--63 mm (2.52 inches) to 66 mm (2.64 inches).
  • Pistil point Pronounced, 3 mm (0.12 inches) to 5 mm (0.2 inches) in length.
  • the fruit of the subject variety is sweet with moderate acidity and a mild flavor.
  • Thickness --10 mm (0.4 inches).
  • plum tree possesses the described characteristics noted above as a result of the growing conditions prevailing near Sanger in the central San Joaquin Valley of California, it is to be understood that variations of the usual magnitude and characteristics incident to changes in growing conditions, fertilization, irrigation, pruning and pest control are to be expected.

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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 plum tree producing fruit of catawba coloration which are mature for harvesting and shipment approximately the first week in August in the San Joaquin Valley of central California approximately two weeks after "Friar" plum tree and which have a mild, subacid taste with a pronounced pistil point and good shipping and handling characteristics.

Description

BACKGROUND OF THE NEW VARIETY
The present invention relates to a new and distinct variety of plum tree, hereinafter be denominated varietally as the "Prima Black Plum 8-15" plum tree, and more particularly to a plum tree which produces freestone fruit having a distinctive catawba coloration with flesh of a nankeen coloration with a mild subacid flavor, the fruit having a pronounced pistil point and being mature for harvesting and shipment approximately the first week of August in the San Joaquin Valley of central California.
There are a variety of attributes which tree fruit may possess which may distinguish the variety from other tree fruit in the marketplace. Commerical success is often dependent upon somewhat subtle distinctions. While ripening data is one of the more important considerations, within a given ripening period a host of rather subtle distinctions may prove important. While it might seem that only flavor would be of any concern, this is not in fact the case. Size, shape, texture, aroma and shelf lift may all be of significance. Similarly, the skin and flesh coloration may afford an appeal, or, conversely, a detraction such as to be controlling to significant segments of the purchasing public. In this regard, personal preference plays a substantial role in the equation. More technical considerations such as keeping quality, resistance to disease, shipping and handling quality and the like may control which varieties are selected for planting by the grower.
The new variety of the present invention possesses a number of attributes which caused it to be selected for further development and which are believed to indicate a promising commercial life. The fruit of the "Prima Black Plum 8-15" plum tree is freestone and of large size averaging between 66 mm and 71 mm in diameter. The fruit exhibits a distinctively pronounced pistil point and has a particularly attractive coloration. The skin coloration is catawba and the flesh is nankeen, the contrast being particularly attractive. The fruit ripens for harvest about two weeks after the "Friar" plum tree, or about the first week of August in the San Joaquin Valley of central California.
ORIGIN AND ASEXUAL REPRODUCTION OF THE NEW VARIETY
The present variety of plum tree hereof was discovered in 1984 by the inventor as an open pollinated seedling in a cultivated area on the inventor's property Ranch 33 in Sanger in the San Joaquin Valley of central California. The new variety was selected as the result of a mass breeding program. The seedling was selected from this program, but its parentage is unknown. Seeds collected for the mass breeding program came from several ranches encompassing nearly five thousand acres growing many varieties of tree fruit. No effort was made to retain the specific pedigree of any particular seed lot. The inventor asexually reproduced the new variety by grafting and budding test trees on the same property. The test trees have been observed through several growing seasons and the inventor has witnessed that the progeny have characteristics identical to those observed in the parent.
SUMMARY OF THE NEW VARIETY
The "Prima Black Plum 8-15" plum tree is characterized as to novelty by producing freestone fruit which are symmetrical in form being globose to slightly oblate with a pronounced pistil point. The fruit of the new variety is of large size averaging from 66 mm to 71 mm in diameter and has a distinctive skin coloration of catawba with a flesh of nankeen and is ripe for commercial harvesting and shipment approximately the first week in August in the San Joaquin Valley of central California.
BRIEF DESCRIPTION OF THE DRAWING
The accompanying drawing is a photograph showing the plum tree of the new variety including fruit of the new variety sectioned one with the stone removed to expose the pit cavity and the other with the stone left in place; a second in top plan view showing the apex end thereof; a third in side elevation showing the pronounced pistil point thereof; a fourth in bottom plan view to show the base thereof; and a fifth in top plan view with its natural waxy coating left in place; and representative foliage of the new variety.
DETAILED DESCRIPTION
Referring more specifically to the pomological details of this new and distinct variety of plum tree, the following has been observed under the ecological conditions prevailing at a ranch which is located in Sanger, Calif. All major color code designations are by reference to the Dictionary of Color, by Maerz and Paul, First Edition, 1930. Common color names are also employed occasionally.
TREE
Generally:
Size.--Medium.
Figure.--Upright. The subject variety is upright to upright-spreading in form. The asexually reproduced trees were pruned in a standard vase-shaped configuration.
Productivity.--Productive.
Regularity of bearing.--Regular.
Trunk:
Size.--Stocky.
Surface texture.--Medium shaggy.
Branches:
Size.--Medium.
Surface texture.--Medium shaggy.
Color.--Base -- Page 39, Plate 8 C-11 Bark Mocha+. Streak Color - Page 33, Plate 5, B-11, Cocoa Br.
Lenticels.--Numerous.
Size.--1 mm (0.04 inches) by 3 mm (0.12 inches) by 6 mm (0.24 inches).
LEAVES
Size:
Generally.--Medium.
Average length.--97 mm (3.88 inches) to 102 mm (4.08 inches).
Average width.--38 mm (1.52 inches) to 43 mm (1.72 inches).
Form: Ovate.
Color:
Upwardly disposed surface.--Page 71, Plate 24, L-1, Yew Green.
Downwardly disposed surface.--Page 67, Plate 22, B-5, Mistletoe.
Marginal form: Double serrate.
Glandular characteristics: 1 to 3, globose, opposite and alternate.
Petiole:
Length.--15 mm (0.6 inches) to 17 mm (0.68 inches).
Thickness.--2 mm (0.08 inches).
Stem glands:
Number.--From none to two.
Arrangement.--Alternate and opposite.
Type.--Globose.
Size.--Small.
Color.--Green.
Stipules: Leaf stipules present, two per leaf occurring at the base of the petiole. Stipules relatively long and lanceolate in form.
Leaf glands: One to three on base of leaf margin. In addition, glands can occur on the petiole, variable in number from none to two.
FLOWERS
The following description was prepared from bloom taken from trees of the subject variety growing in a test planting near Sanger, Calif. in early March, 1992. The number of chilling hours below 45 degrees Fahrenheit in this fruit growing area of Fresno County, Calif. in the 1991-1992 winter season was nearly 1200 hours. This represents an above average accumulation of cold hours for this location in 1992.
Flower buds:
Size.--medium, conic in form, plump and slightly appressed to the stem. The buds are hardy under typical climatic conditions in the San Joaquin Valley of California.
Surface texture.--Very slightly pubescent.
Scales.--Color -- Coromandel Brown (7-L-11).
Shape.--Obtuse.
Pedicle: Medium.
Stamens: Numerous.
Pistil: One.
Date of bloom: Slightly past mid-season, about with the "Wickson" plum tree. The date of bloom is approximately medium in timing in relation to other standard plum varieties and approximately simultaneous with the "Santa Rose", "El Dorado" and "Wickson" plum trees. In 1992 the first bloom was February 25 and full bloom March 2. No pollination tests have been conducted, but it is believed the new variety requires pollination as in conventional varieties. This is achieved by proximity to other varieties blooming at the same time such as the "Santa Rose", "El Dorado" and "Wickson" plum trees.
Flower:
Size.--Medium.
Diameter.--Fully expanded averages from 14 mm (0.5511 inches) to 15 mm (0.5905 inches). At full maturity the flowers are slightly cupped inwards.
Bloom:
Quantity.--Very Abundant.
Flower buds:
Number.--Varies from 6 to 10 per node.
Petals:
Number.--Five.
Size.--Medium.
Length.--Averaging from 9 mm (0.3543 inches) to 10 mm (0.3937 inches).
Width.--6 mm (0.2362 inches) to 7 mm (0.2755 inches).
Shape.--Variable from ovate to oval in form.
Color.--White (1-A-1).
Petal claw:
Form.--Truncate and short.
Petal margins: Moderately undulate.
Petal Apices: Variable but most often obtuse.
Pedicel: Moderately long from 15 mm (0.5905 inches) to 16 mm (0.6299 inches).
Thickness.--Average 1.0 mm (0.0393 inches).
Color.--Light green 18-I-4).
Pedicel surface: Glabrous.
Calyx:
Surface.--Glabrous.
Color.--Light green (19-J-3).
Nectaries:
Color.--Brownish-green (Cloudy Amber 12-K-3). Nectaries darken wtih age to (12-K-5).
Anthers:
Size.--Medium.
Color.--Golden yellow (Golden Glow 9-L-6) both dorsally and ventrally.
Pollen: Moderately abundant.
Color.--Yellow (Sunflower yellow 9-L-4).
Stamens:
Length.--Variable. Stamens equal to slightly longer in length than the pistil. From 7 mm (0.2755 inches) to 8 mm (0.3149 inches).
Color.--White (1-A-1).
Pistil:
Surface.--Glabrous.
Length.--From 8 mm (0.3149 inches) to 9 mm (0.3543 inches).
Color.--Light green (17-G-2).
FRUIT
Maturity when described: Ripe for commercial harvesting and shipment approximately the first week of August near Sanger, Calif., about two weeks after the "Friar" plum tree. The new variety requires thinning as with other varieties of plum trees.
Size:
Average diameter.--66 mm (2.64 inches) to 71 mm (2.84 inches).
Average diameter transverse in the suture plane.--65 mm (2.6 inches) to 70 mm (2.8 inches).
Average diameter transverse and at right angles to the suture plane.--63 mm (2.52 inches) to 66 mm (2.64 inches).
Form:
Uniformity.--Uniform.
Symmerical.--Globose to slightly oblate with pronounced pistil point.
Suture:
Generally.--Distinct line, slightly depressed.
Length.--95 mm (3.8 inches) to 100 mm (4 inches).
Ventral surface:
Generally.--Smooth.
Stem cavity:
Generally.--Obtuse.
Depth.--15 mm (0.6 inches) by 25 mm (1.0 inches) by 10 mm (0.4 inches).
Stem:
Caliper.--3 mm (0.12 inches).
Caliper -- length.--10 mm (0.4 inches).
Apex:
Shape.--Rounded.
Base: Flat.
Pistil point: Pronounced, 3 mm (0.12 inches) to 5 mm (0.2 inches) in length.
Skin:
Thickness.--Medium.
Texture.--Medium.
Tendency to crack.--None.
Color.--Page 135, Plate 56, J-10, Catawba.
Pubescence.--None.
Flesh:
Color.--Page 43, Plate 10, F3, Nankeen.
Surface of pit cavity.--Smooth.
Color of pit well.--Same as flesh.
Amygdalin.--None.
Juice production.--Juicy.
Flavor.--Subacid, mild. The fruit of the subject variety is sweet with moderate acidity and a mild flavor.
Aroma.--None.
Texture.--Tender.
Fibers.--Moderate.
Ripening.--Even.
Eating quality.--Good.
Stone:
Attachment.--Freestone.
Fibers.--None.
Size.--Length -- 26 mm (1.04 inches.)
Width. --19 mm (0.76 inches).
Thickness.--10 mm (0.4 inches).
Form.--Generally -- Oval.
Color.--Page 43, Plate 10, I-b 9, Jacinthe.
Base.--Shape -- Flat.
Sides.--Fairly smooth.
Ridges.--A few near base, rounded.
Grooves.--None.
Dorsal edge.--Narrow with slight groove near middle.
Ventral edge.--Slight wing from middle to apex.
Tendency to split.--None.
Use: Fresh.
Keeping quality: Good.
Shipping and Handling Qualities: good.
Although the new variety of plum tree possesses the described characteristics noted above as a result of the growing conditions prevailing near Sanger in the central San Joaquin Valley of California, it is to be understood that variations of the usual magnitude and characteristics incident to changes in growing conditions, fertilization, irrigation, pruning and pest control are to be expected.

Claims (1)

Having thus described and illustrated my new variety of plum tree, what I claim as new and desire to be secured by Plant Letters Patent is:
1. A new and distinct variety of plum tree substantially as illustrated and described and which produces freestone fruit of a catawba coloration with a very pronounced pistil point which are mature for commercial harvesting and shipment approximately the first week of August in the San Joaquin Valley of central California about or two weeks after the "Friar" plum tree.
US07/633,317 1990-12-24 1990-12-24 Prima Black Plum 8-15 Expired - Lifetime USPP8068P (en)

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