USPP24361P2 - Forsythia plant named ‘Minfor6’ - Google Patents

Forsythia plant named ‘Minfor6’ Download PDF

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Publication number
USPP24361P2
USPP24361P2 US13/200,532 US201113200532V USPP24361P2 US PP24361 P2 USPP24361 P2 US PP24361P2 US 201113200532 V US201113200532 V US 201113200532V US PP24361 P2 USPP24361 P2 US PP24361P2
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forsythia
plants
new
habit
plant
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US13/200,532
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Patrick Pineau
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Hortival Diffusion SAS
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Pepinieres Minier SA
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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

Definitions

  • Botanical designation Forsythia ⁇ intermedia.
  • the present invention relates to a new and distinct cultivar of Forsythia plant, botanically known as Forsythia ⁇ intermedia and hereinafter referred to by the name ‘Minfor6’.
  • the new Forsythia plant is a product of a planned breeding program conducted by the Inventor in La Ménitré, Maine et Loire, France.
  • the objective of the breeding program was to develop new compact and freely flowering Forsythia plants.
  • the new Forsythia plant originated from an open-pollination in 2004 of Forsythia ⁇ intermedia ‘Courdijau’, disclosed in U.S. Plant Pat. No. 13,050, as the female, or seed, parent with an unknown selection of Forsythia ⁇ intermedia as the male, or pollen, parent.
  • the new Forsythia plant was discovered and selected by the Inventor in 2006 as a single flowering plant within the progeny of the stated open-pollination in a controlled environment in La Ménitré, Maine et Loire, France.
  • Plants of the new Forsythia have not been observed under all possible environmental conditions and cultural practices.
  • the phenotype may vary somewhat with variations in environmental conditions such as temperature and light intensity without, however, any variance in genotype.
  • Plants of the new Forsythia can be compared to plants of the female parent, ‘Courdijau’. In side-by-side comparisons, plants of the new Forsythia differ primarily from plants of ‘Courdijau’ in the following characteristics:
  • Plants of the new Forsythia can be compared to plants of Forsythia ⁇ intermedia ‘Courtacour’, not patented. In side-by-side comparisons, plants of the new Forsythia differed primarily from plants of ‘Courtacour’ in the following characteristics:
  • the photograph on the first sheet is a side perspective view of a typical plant of ‘Minfor6’ grown in a container.
  • the photograph on the second sheet is a close-up view of a typical flowering branch of a typical plant of ‘Minfor6’.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physiology (AREA)
  • Botany (AREA)
  • Developmental Biology & Embryology (AREA)
  • Environmental Sciences (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

A new and distinct cultivar of Forsythia plant named ‘Minfor6’, characterized by its compact, upright and rounded plant habit; vigorous growth habit; freely branching habit; dense and bushy growth habit; freely and continuous flowering habit; long flowering period; bright yellow-colored flowers; resistance to Phytophthora; and good garden performance.

Description

Botanical designation: Forsythia×intermedia.
Cultivar denomination: ‘MINFOR6’.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Forsythia plant, botanically known as Forsythia×intermedia and hereinafter referred to by the name ‘Minfor6’.
The new Forsythia plant is a product of a planned breeding program conducted by the Inventor in La Ménitré, Maine et Loire, France. The objective of the breeding program was to develop new compact and freely flowering Forsythia plants.
The new Forsythia plant originated from an open-pollination in 2004 of Forsythia×intermedia ‘Courdijau’, disclosed in U.S. Plant Pat. No. 13,050, as the female, or seed, parent with an unknown selection of Forsythia×intermedia as the male, or pollen, parent. The new Forsythia plant was discovered and selected by the Inventor in 2006 as a single flowering plant within the progeny of the stated open-pollination in a controlled environment in La Ménitré, Maine et Loire, France.
Asexual reproduction of the new Forsythia plant by softwood cuttings in a controlled greenhouse environment in La Ménitré, Maine et Loire, France since May, 2006 has shown that the unique features of this new Forsythia plant are stable and reproduced true to type in successive generations of asexual reproduction.
SUMMARY OF THE INVENTION
Plants of the new Forsythia have not been observed under all possible environmental conditions and cultural practices. The phenotype may vary somewhat with variations in environmental conditions 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 ‘Minfor6’. These characteristics in combination distinguish ‘Minfor6’ as a new and distinct Forsythia plant:
    • 1. Compact, upright and rounded plant habit.
    • 2. Vigorous growth habit.
    • 3. Freely branching habit; dense and bushy growth habit.
    • 4. Freely and continuous flowering habit.
    • 5. Long flowering period.
    • 6. Bright yellow-colored flowers.
    • 7. Resistant to Phytophthora.
    • 8. Good garden performance.
Plants of the new Forsythia can be compared to plants of the female parent, ‘Courdijau’. In side-by-side comparisons, plants of the new Forsythia differ primarily from plants of ‘Courdijau’ in the following characteristics:
    • 1. Plants of the new Forsythia are more erect than plants of ‘Courdijau’.
    • 2. Plants of the new Forsythia are more vigorous than plants of ‘Courdijau’.
    • 3. Plants of the new Forsythia are more freely branching than plants of ‘Courdijau’.
    • 4. Plants of the new Forsythia are more freely flowering than plants of ‘Courdijau’.
    • 5. Plants of the new Forsythia flower later than plants of ‘Courdijau’.
    • 6. Plants of the new Forsythia flower for a longer period of time than plants of ‘Courdijau’.
    • 7. Plants of the new Forsythia and ‘Courdijau’ differ in flower color.
    • 8. Plants of the new Forsythia are more resistant to Phytophthora than plants of ‘Courdijau’.
Plants of the new Forsythia can be compared to plants of Forsythia×intermedia ‘Courtacour’, not patented. In side-by-side comparisons, plants of the new Forsythia differed primarily from plants of ‘Courtacour’ in the following characteristics:
    • 1. Plants of the new Forsythia were more erect than plants of ‘Courtacour’.
    • 2. Plants of the new Forsythia were more vigorous than plants of ‘Courtacour’.
    • 3. Plants of the new Forsythia were more freely branching than plants of ‘Courtacour’.
    • 4. Plants of the new Forsythia were more freely flowering than plants of ‘Courtacour’.
    • 5. Plants of the new Forsythia flowered later than plants of ‘Courtacour’.
    • 6. Plants of the new Forsythia and ‘Courtacour’ differed in flower color.
    • 7. Plants of the new Forsythia were more resistant to spring frost than plants of ‘Courtacour’.
BRIEF DESCRIPTION OF THE PHOTOGRAPHS
The accompanying colored photographs illustrate the overall appearance of the new Forsythia plant showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photographs may differ slightly from the color values cited in the detailed botanical description which accurately describe the colors of the new Forsythia plant.
The photograph on the first sheet is a side perspective view of a typical plant of ‘Minfor6’ grown in a container.
The photograph on the second sheet is a close-up view of a typical flowering branch of a typical plant of ‘Minfor6’.
 DETAILED BOTANICAL DESCRIPTION
The aforementioned photographs and following observations, measurements and values describe plants grown in Grand Haven, Mich. during the spring and summer in an outdoor nursery and under conditions which closely approximate commercial Forsythia production. Plants were three years old when the photographs and the description were taken. In the description, color references are made to The Royal Horticultural Society Colour Chart, 2001 Edition, except where general terms of ordinary dictionary significance are used.
  • Botanical classification: Forsythia×intermedia ‘Minfor6’.
  • Parentage:
      • Female, or seed, parent.—Forsythia×intermedia ‘Courdijau’, disclosed in U.S. Plant Pat. No. 13,050.
      • Male, or pollen, parent.—Unknown selection of Forsythia×intermedia, not patented.
  • Propagation:
      • Type.—By softwood cuttings.
      • Time to initiate roots, summer.—About 25 days at 16° C.
      • Time to produce a rooted young plant, summer.—About three months at 16° C.
      • Root description.—Fine; white in color.
      • Rooting habit.—Freely branching; dense.
  • Plant description:
      • Plant form and growth habit.—Perennial shrub; upright, compact and rounded plant habit; vigorous growth habit.
      • Branching habit.—Freely branching habit, dense and bushy growth habit, about 36 lateral branches develop per plant.
      • Plant height.—About 120 cm.
      • Plant diameter (area of spread).—About 200 cm.
  • Lateral branch description:
      • Length.—About 60 cm.
      • Diameter.—About 5 mm.
      • Internode length.—About 1.5 cm.
      • Aspect.—Upright to outwardly spreading.
      • Texture, developing.—Smooth, glabrous.
      • Texture, developed.—Woody.
      • Color.—Developing: Close to 146B. Fully developed: Close to 199C.
  • Foliage description:
      • Arrangement.—Opposite, simple.
      • Length.—About 6.5 cm.
      • Width.—About 2.1 cm.
      • Shape.—Elliptical to oblanceolate.
      • Apex.—Acute.
      • Base.—Cuneate to attenuate.
      • Margin.—Serrulate.
      • Texture, upper and lower surfaces.—Smooth, glabrous.
      • Venation pattern.—Pinnate.
      • Color.—Developing leaves, upper and lower surfaces: Close to 143B. Fully expanded leaves, upper surface: Close to 141A; venation, close to 141C. Fully expanded leaves, lower surface: Close to 141B; venation, close to 141C.
      • Petiole.—Length: About 1 cm. Diameter: About 1.5 mm. Texture, upper and lower surfaces: Smooth, glabrous. Color, upper and lower surfaces: Close to 141C.
  • Flower description:
      • Flower appearance/arrangement.—Single star-shaped flowers; freely flowering habit with about eight to twelve flowers per axillary node; flowers face upright and outwardly.
      • Fragrance.—None detected.
      • Flower longevity.—Flowers last for about three to six weeks on the plant and for about two to three weeks as a cut flower; flowers not persistent.
      • Natural flowering season.—Late flowering time, plants begin flowering in early May in Michigan.
      • Flower diameter.—About 3 cm.
      • Flower depth.—About 2 cm.
      • Flower bud.—Length: About 6 mm. Diameter: About 3 mm. Shape: Oblong. Color: Close to 146B to 146C.
      • Petals.—Arrangement/quantity: Single whorl of four petals fused at the base. Length: About 1.7 cm. Width: About 9 mm. Shape: Oblong. Apex: Obtuse. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous. Color: When opening and fully opened, upper surface: Close to 7A; color does not fade with development. When opening and fully opened, lower surface: Close to 7A; color does not fade with development.
      • Sepals.—Arrangement/quantity: Single whorl of four to five sepals fused at the base; calyx, star-shaped. Length: About 3 mm. Width: About 2 mm. Shape: Ovate. Apex: Acute. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous. Color, upper and lower surfaces: Close to 144B.
      • Peduncles.—Length: About 6 mm. Diameter: About 1 mm. Strength: Strong. Texture: Smooth, glabrous. Angle: About 20° to 60° from vertical. Color: Close to 144B.
      • Reproductive organs.—Stamens: Quantity per flower: One to four. Anther size: About 1 mm by 2 mm. Anther shape: Oblong. Anther color: Close to 7A. Pollen amount: Abundant. Pollen color: Close to 7A. Pistils: Quantity per flower: One. Pistil length: About 1 mm to 2 mm. Stigma shape: Rounded, two-lobed. Stigma color: Close to 144C. Style length: About 1 mm. Style color: Close to 144C. Ovary color: Close to 144C. Seeds and fruits: Seed and fruit development has not been observed on plants of the new Forsythia.
  • Garden performance: Plants of the new Forsythia have been observed to have good garden performance and to tolerate rain, wind and to tolerate temperatures ranging from about −20° C. to about 40° C.
  • Pathogen/pest resistance: Plants of the new Forsythia have been shown to be resistant to Phytophthora. Plants of the new Forsythia have not been shown to be resistant to pests and other pathogens common to Forsythia plants.

Claims (1)

It is claimed:
1. A new and distinct Forsythia plant named ‘Minfor6’ as illustrated and described.
US13/200,532 2011-09-23 2011-09-23 Forsythia plant named ‘Minfor6’ Active 2031-11-23 USPP24361P2 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USPP13050P2 (en) * 2001-01-18 2002-10-01 Agri Obtentions S.A. Forsythia plant named ‘Courdijau’

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USPP13050P2 (en) * 2001-01-18 2002-10-01 Agri Obtentions S.A. Forsythia plant named ‘Courdijau’

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