USPP16912P2 - Dahlia plant named ‘HS Party’ - Google Patents

Dahlia plant named ‘HS Party’ Download PDF

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Publication number
USPP16912P2
USPP16912P2 US11/146,231 US14623105V USPP16912P2 US PP16912 P2 USPP16912 P2 US PP16912P2 US 14623105 V US14623105 V US 14623105V US PP16912 P2 USPP16912 P2 US PP16912P2
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plants
dahlia
color
party
cultivar
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US11/146,231
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Aad W. M. Verwer
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Syngenta Crop Protection AG Switzerland
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Verwer Dahlias BV
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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
    • A01H6/14—Asteraceae or Compositae, e.g. safflower, sunflower, artichoke or lettuce
    • 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

Definitions

  • Botanical designation Dahlia hybrida.
  • the present Invention relates to a new and distinct cultivar of Dahlia plant, botanically known as Dahlia hybrida and hereinafter referred to by the name ‘HS Party’.
  • the new Dahlia is a product of a planned breeding program conducted by the Inventor in Lisse, The Netherlands.
  • the objective of the breeding program is to create new compact potted Dahlia cultivars that have a freely branching growth habit, dark green-colored foliage, early and freely flowering habit, daisy inflorescence form, attractive ray floret coloration, inflorescences that are not persistent, and good postproduction longevity and garden performance.
  • the new Dahlia originated from a chance open-pollination in 1998 of the Dahlia hybrida cultivar Classic Summertime, not patented, as the female, or seed, parent with an unknown selection of Dahlia hybrida as the male, or pollen, parent.
  • the new Dahlia was discovered and selected by the Inventor as a single flowering plant within the progeny of the stated open-pollination grown in a controlled environment in Lisse, The Netherlands in 1999.
  • the cultivar HS Party has not been observed under all possible environmental conditions.
  • the phenotype may vary somewhat with variations in environment such as temperature and light intensity without, however, any variance in genotype.
  • Plants of the new Dahlia differ primarily from plants of the female parent, the cultivar Classic Summertime in the following characteristics:
  • Plants of the new Dahlia can be compared to plants of the cultivar Sunshine, not patented. In side-by-side comparisons conducted in Lisse, The Netherlands, plants of the new Dahlia differed from plants of the cultivar Sunshine in the following characteristics:
  • the accompanying colored photograph illustrates the overall appearance of the new Dahlia showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photograph may differ from the color values cited in the detailed botanical description which accurately describe the colors of the new Dahlia.
  • the photograph comprises a side perspective view of a typical flowering plant of ‘HS Party’.

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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 cultivar of Dahlia plant named ‘HS Party’, characterized by its upright and outwardly spreading plant habit; freely branching growth habit; dark-colored foliage; early and freely flowering habit; daisy inflorescence form; large inflorescences with yellow-colored ray florets; and good postproduction longevity and garden performance.

Description

Botanical designation: Dahlia hybrida.
Cultivar denomination: ‘HS Party’.
BACKGROUND OF THE INVENTION
The present Invention relates to a new and distinct cultivar of Dahlia plant, botanically known as Dahlia hybrida and hereinafter referred to by the name ‘HS Party’.
The new Dahlia is a product of a planned breeding program conducted by the Inventor in Lisse, The Netherlands. The objective of the breeding program is to create new compact potted Dahlia cultivars that have a freely branching growth habit, dark green-colored foliage, early and freely flowering habit, daisy inflorescence form, attractive ray floret coloration, inflorescences that are not persistent, and good postproduction longevity and garden performance.
The new Dahlia originated from a chance open-pollination in 1998 of the Dahlia hybrida cultivar Classic Summertime, not patented, as the female, or seed, parent with an unknown selection of Dahlia hybrida as the male, or pollen, parent. The new Dahlia was discovered and selected by the Inventor as a single flowering plant within the progeny of the stated open-pollination grown in a controlled environment in Lisse, The Netherlands in 1999.
Asexual reproduction of the new Dahlia by cuttings was first conducted in Lisse, The Netherlands during the spring of 2000. Asexual reproduction by cuttings has shown that the unique features of this new Dahlia are stable and reproduced true to type in successive generations.
SUMMARY OF THE INVENTION
The cultivar HS Party has not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature and light intensity without, however, any variance in genotype.
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘HS Party’. These characteristics in combination distinguish ‘HS Party’ as a new and distinct Dahlia cultivar:
    • 1. Upright and outwardly spreading plant habit.
    • 2. Freely branching growth habit.
    • 3. Dark-colored foliage.
    • 4. Early and freely flowering habit.
    • 5. Daisy inflorescence form.
    • 6. Large inflorescences with yellow-colored ray florets.
    • 7. Good postproduction longevity and garden performance.
Plants of the new Dahlia differ primarily from plants of the female parent, the cultivar Classic Summertime in the following characteristics:
    • 1. Plants of the new Dahlia are more compact and stronger than plants of the cultivar Classic Summertime.
    • 2. Plants of the new Dahlia and the cultivar Classic Summertime differ in leaf coloration.
    • 3. Plants of the new Dahlia and the cultivar Classic Summertime differ in inflorescence form.
Plants of the new Dahlia can be compared to plants of the cultivar Sunshine, not patented. In side-by-side comparisons conducted in Lisse, The Netherlands, plants of the new Dahlia differed from plants of the cultivar Sunshine in the following characteristics:
    • 1. Plants of the new Dahlia were larger than plants of the cultivar Sunshine.
    • 2. Plants of the new Dahlia were more freely flowering than plants of the cultivar Sunshine.
    • 3. Ray florets of plants of the new Dahlia were yellow in color whereas ray florets of plants of the cultivar Sunshine were yellow orange in color.
    • 4. Plants of the new Dahlia had more and larger disc florets per inflorescence than plants of the cultivar Sunshine.
    • 5. Plants of the new Dahlia had longer peduncles than plants of the cultivar Sunshine.
BRIEF DESCRIPTION OF THE PHOTOGRAPH
The accompanying colored photograph illustrates the overall appearance of the new Dahlia showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photograph may differ from the color values cited in the detailed botanical description which accurately describe the colors of the new Dahlia. The photograph comprises a side perspective view of a typical flowering plant of ‘HS Party’.
 DETAILED BOTANICAL DESCRIPTION
In the following description, color references are made to The Royal Horticultural Society Colour Chart, 1995 Edition, except where general terms of ordinary dictionary significance are used. The aforementioned photograph and the following observations and measurements describe plants grown and flowered during the summer and early autumn in Lisse, The Netherlands, in an outdoor nursery and under conditions which approximate those generally used in commercial production. During the production of the plants, day temperatures ranged between 15 and 30° C. and night temperatures ranged between 10 and 20° C. Plants were pinched one time about three to four weeks after planting rooted cuttings. Plants were about four months old when the photographs and the description were taken.
  • Botanical classification: Dahlia hybrida cultivar HS Party.
  • Parentage:
      • Female, or seed, parent.—Dahlia hybrida cultivar Classic Summertime, not patented.
      • Male, or pollen, parent.—Unknown selection of Dahlia hybrida, not patented.
  • Propagation:
      • Type.—By vegetative cuttings.
      • Time to initiate roots.—Summer: About three days at 17° C. Winter: About four days at 17° C.
      • Time to produce a rooted young plant.—Summer: About 12 days at 17° C. Winter: About 15 days at 17° C.
      • Root description.—Fine, fibrous; older roots, fleshy.
      • Rooting habit.—Freely branching; dense.
      • Tuber description.—Tuber development has not been observed.
  • Plant description:
      • Appearance.—Perennial daisy-type potted Dahlia. Upright and outwardly spreading plant habit; inverted triangle. Freely branching habit, about six lateral branches; dense and full plants. Moderately vigorous growth habit.
      • Plant height.—About 65 cm.
      • Plant diameter.—About 40 cm.
      • Lateral branch description.—Length: About 25 to 50 cm. Diameter: About 2 to 3 mm. Internode length: About 20 to 25 cm. Strength: Strong. Texture: Glabrous, smooth. Color: 187A.
      • Foliage description.—Arrangement: Leaves opposite; leaves may be single or compound with three or five leaflets. Shape: Ovate. Apex: Acuminate. Base: Attenuate. Margin: Serrate; sinuses divergent. Length: Single leaves: About 10 cm. Compound leaves with three leaflets: About 17 cm. Compound leaves with five leaflets: About 21 cm. Width: Single leaves: About 5.5 cm. Compound leaves with three leaflets: About 16 cm. Compound leaves with five leaflets: About 20 cm. Venation pattern: Pinnate. Texture, upper and lower surfaces: Smooth, glabrous. Color: Developing foliage, upper surface: 137A. Developing foliage, lower surface: 191B. Fully expanded foliage, upper surface: 137A overlain with 200A. Fully expanded foliage, lower surface: 148B. Venation, upper and lower surfaces: 59A. Petiole length: Single leaves: About 4 cm. Compound leaves with three leaflets: About 4 cm. Compound leaves with five leaflets: About 4 cm. Petiole diameter: Single leaves: About 3 mm. Compound leaves with three leaflets: About 3 mm. Compound leaves with five leaflets: About 3 mm. Petiole color, upper surface: 59A. Petiole color, lower surface: 59B.
  • Inflorescence description:
      • Appearance.—Daisy inflorescence form; inflorescences rotate. Inflorescences borne on terminals, arising from leaf axils, positioned above the foliage. Ray and disc florets develop acropetally on the receptacle. Inflorescences not fragrant. Inflorescences persistent.
      • Flowering response.—Flowering recurrent to continuous during the summer and autumn in The Netherlands. Early flowering habit, plants start flowering about 70 days after planting.
      • Postproduction longevity.—On the plant, inflorescences maintain good color and substance for about 25 days in an outdoor environment. As cut flowers, inflorescences maintain good color and substance for about six days in an indoor environment.
      • Quantity of inflorescences per flowering stem.—About 50 inflorescences and inflorescence buds per plant.
      • Inflorescence size.—Diameter: About 9 cm. Depth (height): About 2 cm. Diameter of disc: About 2.2 cm. Receptacle diameter: About 2.4 cm. Receptacle height: About 1.2 cm.
      • Inflorescence buds.—Length: About 1.4 cm. Diameter: About 1.8 cm. Shape: Oblate. Color: Towards the apex, 161A; towards the base, 200A.
      • Ray florets.—Number of ray florets per inflorescence: About eight in a single whorl. Length, fully developed: About 4.4 cm. Width, fully developed: About 3 cm. Orientation: Initially upright, eventually close to perpendicular to the peduncle; mostly flat. Shape: Ovate. Apex: Obtuse to acute. Base: Attenuate. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous; satiny. Venation pattern: Parallel. Color: When opening, upper surface: 7A. When opening, lower surface: 7A; along the veins, 164A. Fully opened, upper surface: 9A; faintly along the veins, 164A. Fully opened, lower surface: 7A; along the veins, 164A.
      • Disc florets.—Number of disc florets per inflorescence: About 130. Length: About 1.9 cm. Width, at the apex: About 2 mm. Width, at the base: About 0.5 mm. Shape: Tubular, elongated. Apex: Pentafid. Base: Attenuate. Color: Immature: 150C. Mature: Apex: 17A. Mid-section: 2C. Base: 150C.
      • Phyllaries.—Quantity/arrangement: One whorl with about seven phyllaries per inflorescence. Length: About 2.2 cm. Width: About 8 mm. Shape: Ovate. Apex: Acute. Base: Attenuate. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous; leathery. Color, upper surface: 146A overlain with 187A. Color, lower surface: 187A.
      • Peduncles.—Length, terminal peduncle: About 30 cm. Length, fourth peduncle: About 35 cm. Diameter: About 3 mm. Angle: Erect to about 20° from vertical. Strength: Strong. Texture: Glabrous, smooth. Color: 187B.
      • Reproductive organs. —Androecium: Present on disc florests only. Stamen quantity: About five per floret. Anther shape: Linear. Anther length: About 5 mm. Anther color: 16B. Pollen amount: Moderate. Pollen color: 23A. Gynoecium: Present on ray and disc florets. Pistil quantity: One per floret. Pistil length: About 6 mm. Stigma shape: Lanceolate. Stigma color: 12A. Style length: About 5.5 mm. Style color: 150B. Ovary color: 8A.
      • Seeds.—Length: About 9 mm. Diameter: About 1.3 mm. Color: 199A.
  • Disease/pest resistance: Resistance to pathogens and pests common to Dahlias has not been observed on plants grown under commercial greenhouse or outdoor conditions.
  • Weather tolerance: Plants of the new Dahlia have been observed to be very tolerant to wind, rain and full sun conditions. Plants of the new Dahlia have been observed to tolerate temperatures from 0 to 40° C.

Claims (1)

1. A new and distinct cultivar of Dahlia plant named ‘HS Party’, as illustrated and described.
US11/146,231 2005-06-06 2005-06-06 Dahlia plant named ‘HS Party’ Active 2025-06-20 USPP16912P2 (en)

Priority Applications (1)

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AS Assignment

Owner name: VERWER DAHLIA S BV, NETHERLANDS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VERWER, AAD W.M.;REEL/FRAME:016670/0013

Effective date: 20050216