USPP14737P3 - Prunus tree rootstock named ‘Piku 1’ - Google Patents

Prunus tree rootstock named ‘Piku 1’ Download PDF

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Publication number
USPP14737P3
USPP14737P3 US10/136,465 US13646502V USPP14737P3 US PP14737 P3 USPP14737 P3 US PP14737P3 US 13646502 V US13646502 V US 13646502V US PP14737 P3 USPP14737 P3 US PP14737P3
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Prior art keywords
prunus
piku
color
new
new variety
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Expired - Lifetime
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US10/136,465
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US20030208807P1 (en
Inventor
Brigitte Wolfram
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Consortium Deutscher Baumschulen GmbH
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Consortium Deutscher Baumschulen GmbH
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Priority to US10/136,465 priority Critical patent/USPP14737P3/en
Assigned to CONSORTIUM DEUTSCHER BAUMSCHULEN GMBH reassignment CONSORTIUM DEUTSCHER BAUMSCHULEN GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WOLFRAM, BRIGITTE
Publication of US20030208807P1 publication Critical patent/US20030208807P1/en
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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
    • A01H6/7445—Cherries
    • 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 comprises a new and distinct cultivar of hybrid Prunus known by the varietal name ‘Piku 1’.
  • the new variety was discovered in 1972 in a selective breeding program designed to produce growth reducing rootstock for cherry trees in Dresden-Pillnitz, Germany as a cross between an unnamed, unpatented variety of Prunus avium rootstock seedling (female parent) and an unnamed, unpatented Prunus hybrid of Prunus canescens ⁇ Prunus tomentosa (male parent).
  • the new variety differs from its parents in its growth habit. The following characteristic distinguish the new variety from Prunus avium rootstock varieties:
  • the new variety was first asexually reproduced via green cuttings and tissue culture in 1975 in Dresden-Pillnitz, Germany and subsequent propagation therein has confirmed that the characteristics of the new variety are stable and are transmitted to subsequent generations.
  • FIG. 1 shows the tree of the new variety
  • FIG. 2 shows a branch with leaves
  • FIG. 3 shows a branch with flower buds
  • FIG. 4 shows a branch with opened flowers.
  • the following detailed description sets forth the characteristics of the new cultivar.
  • the data which defines these characteristics were collected by asexual reproductions via green cuttings and tissue culture carried out in Dresden-Pillnitz, Germany. The color designations were taken in outdoors Dresden-Pillnitz, Germany. Rootstocks were 6 to 7 years old when described. Color designations are noted with reference to standard P. avium rootstock.
  • the new variety is adaptable to soil and is free of PNRV and PDV. As a rootstock, it can be reproduced via softwood cuttings and tissue culture.
  • the new variety anchors well with few root sprouts, good compatibility with grafts and exhibits reduced growth.
  • Size Medium; having an average height of 2.60 m and an average width of 1.90 m.
  • Internode length About 1.8 cm.
  • Axial diameter 1-1.5 cm.
  • Seeds Surface color 159C/159D, having a smooth texture.

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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 Prunus rootstock compatible with other Prunus varieties and producing trees with reduced growth, hardiness to frost and high productivity.

Description

Classification: Prunus L.
Varietal denomination: ‘Piku 1’.
BACKGROUND OF THE INVENTION
The present invention comprises a new and distinct cultivar of hybrid Prunus known by the varietal name ‘Piku 1’. The new variety was discovered in 1972 in a selective breeding program designed to produce growth reducing rootstock for cherry trees in Dresden-Pillnitz, Germany as a cross between an unnamed, unpatented variety of Prunus avium rootstock seedling (female parent) and an unnamed, unpatented Prunus hybrid of Prunus canescens×Prunus tomentosa (male parent). The new variety differs from its parents in its growth habit. The following characteristic distinguish the new variety from Prunus avium rootstock varieties:
1. Three-way hybrid.
2. Reduces growth in grafted varieties by 30%.
3. Precocious, about 1-3 years.
4. Higher productivity.
5. Propagated by green cuttings or tissue culture.
6. High resistance to winter frost.
7. Leaf margins roll inwards.
The new variety was first asexually reproduced via green cuttings and tissue culture in 1975 in Dresden-Pillnitz, Germany and subsequent propagation therein has confirmed that the characteristics of the new variety are stable and are transmitted to subsequent generations.
DESCRIPTION OF THE DRAWINGS
The accompanying photographic drawings illustrate the new variety, with the color being as nearly true as is possible with color illustrations of this type.
FIG. 1 shows the tree of the new variety;
FIG. 2 shows a branch with leaves;
FIG. 3 shows a branch with flower buds; and
FIG. 4 shows a branch with opened flowers.
DESCRIPTION OF THE PLANT
The following detailed description sets forth the characteristics of the new cultivar. The data which defines these characteristics were collected by asexual reproductions via green cuttings and tissue culture carried out in Dresden-Pillnitz, Germany. The color designations were taken in outdoors Dresden-Pillnitz, Germany. Rootstocks were 6 to 7 years old when described. Color designations are noted with reference to standard P. avium rootstock. The new variety is adaptable to soil and is free of PNRV and PDV. As a rootstock, it can be reproduced via softwood cuttings and tissue culture. The new variety anchors well with few root sprouts, good compatibility with grafts and exhibits reduced growth.
TREE
Size: Medium; having an average height of 2.60 m and an average width of 1.90 m.
Form: Upright, broad.
Trunk:
Surface texture.—Exfoliating.
Bark color.—Middle brown to dark brown.
Diameter.—7.0 cm, measured at a height of 40 cm.
Branches:
Surface texture.—Smooth.
Bark color.—166A to 200B; similar to a birch tree.
New growth color.—Light-dark red.
Mature growth color.—Dark brown.
Average crotch angle.—45-50°.
Internode length.—About 1.8 cm.
Lenticels.—Diameter: 0.05-0.15 cm. Color: 160D. Amount per shoot: >100.
Bud.—Small.
Leaves:
Length.—9.1 cm.
Width.—4.0 cm.
Surface texture.—Fine, smooth.
Form.—Elongated, elliptical.
Color.—Upper Surface: 146A. Lower Surface: 146B.
Margin.—Rolls towards upper surface.
Petioles:
Length.—1.4 cm.
Thickness.—0.12 cm.
Leaf glands:
Quantity.—1-2.
Position.—On the end of the leaves.
Size.—0.15 cm.
Color.—Red-brown.
Stipules:
Quantity.—Rare.
Length.—1.0-1.5 cm.
Flowers:
Diameter.—2.50 cm.
Color.—Upper Surface: N155A. Lower Surface: N155A.
Number.—Many.
Petals.—Length: Approximately 1.2 cm. Width: Approximately 0.6 cm. Quantity per flower: 5.
Sexual characteristics.—Diploid.
Stamen number.—>10.
Pistil number.—1.
FRUIT
Maturity date/location: Early in Dresden, Pillnitz.
Size: Small; low crop yield.
Weight: 1-2 grams.
Axial diameter: 1-1.5 cm.
Fruit stone:
Length.—0.7 cm.
Diameter.—0.4 cm.
Skin: Thin, soft, colored 187A.
Flesh color: 187A.
Seeds: Surface color 159C/159D, having a smooth texture.
GENERAL
Weather hardiness: Tolerant to winter frost.
Disease resistance: Tolerant to Cytospora.

Claims (1)

I claim:
1. A new and distinct variety of Prunus rootstock named ‘Piku 1’ substantially as shown and described.
US10/136,465 2002-05-01 2002-05-01 Prunus tree rootstock named ‘Piku 1’ Expired - Lifetime USPP14737P3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/136,465 USPP14737P3 (en) 2002-05-01 2002-05-01 Prunus tree rootstock named ‘Piku 1’

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/136,465 USPP14737P3 (en) 2002-05-01 2002-05-01 Prunus tree rootstock named ‘Piku 1’

Publications (2)

Publication Number Publication Date
US20030208807P1 US20030208807P1 (en) 2003-11-06
USPP14737P3 true USPP14737P3 (en) 2004-04-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
US10/136,465 Expired - Lifetime USPP14737P3 (en) 2002-05-01 2002-05-01 Prunus tree rootstock named ‘Piku 1’

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USPP15995P3 (en) * 2002-01-11 2005-09-27 Varieties International, Llc Prunus plant named ‘VVA-1’
USPP15957P3 (en) * 2002-01-11 2005-09-13 Varieties International, Llc Prunus plant named ‘VSV-1’

Also Published As

Publication number Publication date
US20030208807P1 (en) 2003-11-06

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Owner name: CONSORTIUM DEUTSCHER BAUMSCHULEN GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WOLFRAM, BRIGITTE;REEL/FRAME:013301/0041

Effective date: 20020820

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