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USPP25235P3 - Rhododendron rootstock named ‘Rhodunter 150’ - Google Patents

Rhododendron rootstock named ‘Rhodunter 150’ Download PDF

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Publication number
USPP25235P3
USPP25235P3 US13/694,107 US201213694107V USPP25235P3 US PP25235 P3 USPP25235 P3 US PP25235P3 US 201213694107 V US201213694107 V US 201213694107V US PP25235 P3 USPP25235 P3 US PP25235P3
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Prior art keywords
color
rhododendron
rhodunter
length
approximately
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US20140123354P1 (en
Inventor
Walter Preil
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INKARHO GmbH
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INKARHO GmbH
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Assigned to INKARHO GMBH reassignment INKARHO GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PREIL, WALTER, DR.
Publication of US20140123354P1 publication Critical patent/US20140123354P1/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
    • A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/02—Flowers
    • 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
    • A01H6/36—Ericaceae, e.g. azalea, cranberry or blueberry
    • A01H6/364—Rhododendron, e.g. Azalea

Definitions

  • Botanical classification Rhododendron hybrid.
  • the present invention comprises a new and distinct cultivar of Rhododendron hybrid used as a rootstock known by the varietal name ‘Rhodunter 150’.
  • the new variety was discovered in Ahrensburg, Germany.
  • the new variety is the result of a planned breeding program between an unnamed and unpatented Rhododendron fortunei variety (female parent) and Rhododendron cv. ‘Cunningham's White’ (unpatented male parent).
  • Rhodunter 150’ exhibits leaves and flowers that are more similar to its female parent than to its male parent. Additionally, ‘Rhodunter 150’ exhibits more vigorous growth when compared to its male parent. Further, the new variety differs from both parents in its improved tolerance to lime.
  • Rhodunter 150 has been trial and field tested and has been found to retain its distinctive characteristics and remain true to type through successive propagations.
  • FIG. 1 shows a view of the new variety grown to a flowering plant.

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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 Rhododendron hybrid plant used as a rootstock that exhibits a high lime tolerance and vigorous growth.

Description

Botanical classification: Rhododendron hybrid.
Varietal denomination: ‘Rhodunter 150’.
BACKGROUND OF THE INVENTION
The present invention comprises a new and distinct cultivar of Rhododendron hybrid used as a rootstock known by the varietal name ‘Rhodunter 150’. The new variety was discovered in Ahrensburg, Germany. The new variety is the result of a planned breeding program between an unnamed and unpatented Rhododendron fortunei variety (female parent) and Rhododendron cv. ‘Cunningham's White’ (unpatented male parent). ‘Rhodunter 150’ exhibits leaves and flowers that are more similar to its female parent than to its male parent. Additionally, ‘Rhodunter 150’ exhibits more vigorous growth when compared to its male parent. Further, the new variety differs from both parents in its improved tolerance to lime. In fact, such improved lime tolerance (no Fe-deficiency symptoms on soils up to 6.9 pH) distinguishes the new variety from other Rhododendron varieties known to the breeder and satisfied the purpose of the breeding program. ‘Rhodunter 150’ has been trial and field tested and has been found to retain its distinctive characteristics and remain true to type through successive propagations.
DESCRIPTION OF THE DRAWING
The accompanying photographic drawing illustrates the new variety, with the color being as nearly true as is possible with color illustrations of this type:
FIG. 1 shows a view of the new variety grown to a flowering plant.
 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 performed via cuttings or in vitro culture carried out in Ahrensburg, Germany. The color readings and measurements were taken outside under natural daylight on plants grown in containers. Color references are primarily to The R.H.S. Colour Chart of The Royal Horticultural Society of London.
PLANT
  • Time to develop roots: About 90 days at 22-25° C.
  • Time to produce a finished flowering plant from a rooted cutting: About 4 years in the field.
  • Rooting habit: Spreading.
  • Height: 50 cm. at 3 years.
  • Diameter: 40 cm. at 3 years.
  • Vigor: Strong.
  • Branching habit: Compact.
  • Disease, temperature, and drought resistance: No observations made to date.
  • Trunk:
      • Diameter.—3 cm. at 5 cm. above soil height at 4 years.
      • Bark color.—174A to 174C.
      • Texture.—Hard.
      • Pubescence.—Absent.
      • Form.—Erect.
  • Lateral branches:
      • Diameter.—5-7 mm.
      • Internode length.—1-2 cm.
      • Texture.—Hard.
      • Pubescence.—Absent.
      • Color.—174A to 174C.
  • Leaves:
      • Nature.—Evergreen.
      • Arrangement.—Alternate.
      • Length.—15 cm. maximum.
      • Width.—5.5 cm. maximum.
      • Shape.—Oblanceolate.
      • Apex.—Broad.
      • Base.—Tapering.
      • Margin.—Entire.
      • Texture.—Hard.
      • Pubescence.—Absent.
      • Color.—Upper surface: 147B for young leaves and 147A for mature leaves. Lower surface: 147C for both young and mature leaves.
      • Margins.—Entire.
      • Venation pattern.—Dense venation with a pronounced central vein.
      • Vein color.—Upper surface: 144A. Lower surface: 145C.
      • Stipules.—None present.
      • Bracts.—None present.
      • Pedicels.—General description: Round. Length: 3-5 cm. Diameter: 1.5-2 mm. Color: 145A.
      • Petiole.—Length: 3 cm. Diameter: 4-5 mm. Color: 147C.
  • Flower:
      • Natural flowering season.—Beginning of May until the end of May in Northern Germany.
      • Form.—Round spike.
      • Lastingness of bloom.—From one to two weeks.
      • Average number of blooms on a plant.—Approximately 20 on a plant with a diameter of 40 cm.
      • Fragrance.—Typical of Rhododendron fortunei.
      • Buds (described before bursting).—Shape: Oblong. Width: 20 mm. Length: 40 mm. Color: 34C.
      • Spike.—Number of flowers per spike: 10-15. Length: 15 cm. Diameter: 15 cm.
      • Corolla petals.—Form: Zygomorphic. Shape: Widely funnel-shaped. Number: 7. Length: Approximately 55 mm. Width: Approximately 50 mm. Margin: Undulate. Texture: Wax-like. Color (both surfaces): 11B when opening and fully opened.
      • Corolla throat.—Tube length: Approximately 20 mm. Color: 1C. Texture: Wax-like.
      • Sepals.—Fused; 144B in color.
  • Reproductive organs:
      • Stamens.—Number: 14.
      • Filament length.—Approximately 30 mm.
      • Anthers.—Shape: Normal Rhododendron type. Color: 11B. Length: 5 mm.
      • Pollen.—Amount of pollen: Average. Color of pollen: 158C.
      • Pistil.—Number: 1. Length: Approximately 35 mm. Style: Color: 150B. Length: Approximately 30 mm.; filiform. Stigma: Shape: Undivided. Color: 145A.
  • Seeds:
      • Production.—Seed capsules mature in November when pollinated in May.
      • Length.—2 mm.
      • Color.—167B to 167C.
      • Number.—Approximately 200 per capsule.

Claims (1)

I claim:
1. A new and distinct variety of Rhododendron hybrid plant, as is herein illustrated and described.
US13/694,107 2012-10-30 2012-10-30 Rhododendron rootstock named ‘Rhodunter 150’ Active USPP25235P3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/694,107 USPP25235P3 (en) 2012-10-30 2012-10-30 Rhododendron rootstock named ‘Rhodunter 150’

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/694,107 USPP25235P3 (en) 2012-10-30 2012-10-30 Rhododendron rootstock named ‘Rhodunter 150’

Publications (2)

Publication Number Publication Date
US20140123354P1 US20140123354P1 (en) 2014-05-01
USPP25235P3 true USPP25235P3 (en) 2015-01-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
US13/694,107 Active USPP25235P3 (en) 2012-10-30 2012-10-30 Rhododendron rootstock named ‘Rhodunter 150’

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AS Assignment

Owner name: INKARHO GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PREIL, WALTER, DR.;REEL/FRAME:030961/0775

Effective date: 20120828