USPP15000P2 - Compact floribunda rose plant named ‘POULac017’ - Google Patents

Compact floribunda rose plant named ‘POULac017’ Download PDF

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Publication number
USPP15000P2
USPP15000P2 US10/672,351 US67235103V USPP15000P2 US PP15000 P2 USPP15000 P2 US PP15000P2 US 67235103 V US67235103 V US 67235103V US PP15000 P2 USPP15000 P2 US PP15000P2
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Prior art keywords
yellow
group
color
poulac017
variety
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US10/672,351
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L. Pernille Olesen
Mogens N. Olesen
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Poulsen Roser AS
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Poulsen Roser AS
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Assigned to POULSEN ROSER A/S reassignment POULSEN ROSER A/S ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: OLESEN, L. PERNILLE, OLESEN, MOGENS N.
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H6/00Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
    • A01H6/74Rosaceae, e.g. strawberry, apple, almonds, pear, rose, blackberries or raspberries
    • A01H6/749Rosa, i.e. roses
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H5/00Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/02Flowers

Definitions

  • Botanical classification Rosa hybrida.
  • the present discovery constitutes a new and distinct variety of a compact floribunda pot rose plant which was discovered in a cultivated area.
  • the mutation resulted from ‘POULra015’, a miniature pot rose hybridized by the same inventors.
  • ‘POULra015’ is described and illustrated in U.S. Plant Pat. No. 14,309, and applied for on Sep. 17, 2002.
  • the new rose variety resulted from a naturally occurring mutation of unknown causation on a branch of ‘POULra015’.
  • the rose plant of the present discovery has a unique combination of characteristics which are outstanding in the new variety and which distinguish it from the original rose ‘POULra015’ as well as all other varieties which we are aware of.
  • the new variety has:
  • the resulting mutation was selected and evaluations were conducted on the resulting rose plants in a controlled environment.
  • FIG. 1 The accompanying color illustration shows as true as is reasonably possible to obtain in color photographs of this type, the typical characteristics of the buds, flowers, leaves, and stems of ‘POULac017’. Specifically illustrated in FIG. 1 :
  • FIG. 1.1 Opened flower
  • FIG. 1.2 Flower bud, closed, partially open and 1 ⁇ 4 open;
  • FIG. 1.3 Flower petals, detached
  • FIG. 1.4 Sepals, receptacle, and pedicel
  • FIG. 1.5 Juvenile leaves
  • FIG. 1.6 Leaves.
  • FIG. 1.7 Bare stem.
  • Size Upon opening, 22 mm in length from base of receptacle to end of bud.
  • Bud color As sepals unfold, Yellow Group 8B; Yellow Group 9D at 1 ⁇ 4 opening.
  • Receptacle Surface: Smooth and glabrous. Shape: Funnel shaped. Size: 6 mm (h) ⁇ 8 mm (w). Color: Yellow-Green Group 144A. Anthocyanin: None observed.
  • Peduncle Surface: Smooth and stipitate glands scant. Length: 75 mm to 90 mm average length. Color: Yellow-Green Group 144A. Strength: Strong.
  • Fragrance Moderic rose scent.
  • Duration The blooms have a duration on the plant of approximately 7 to 10 days. Petals fall cleanly away from plant.
  • Size Medium for a 15 cm pot rose. Average flower diameter is 40 to 50 mm when open. Average flower depth is 25 mm when open.
  • Form “Deep Cup. Shape of flower when viewed from the side: Upon opening, upper part: Flat. Upon opening, lower part: Flattened convex. Open flower, upper part: Flat. Open flower, lower part: Flattened convex.
  • Petalage —Semi double. Average range: 14 petals under normal conditions with 3 petaloids.
  • basal petal spots Upon opening, basal petal spots .—No distinctive coloration at petal base observed.
  • basal petal spots After opening, basal petal spots .—No distinctive coloration at petal base observed.
  • Petal edge Entire. Weak and undulations of margin.
  • Petaloids. 3 to 5. Petaloids are 25 mm long and 22 mm wide. Petaloid Shape: Irregular. Petaloid Color: Upper surface: Yellow 8C to 8A. Lower surface: Yellow 8C with intonations of Yellow-Orange Group 22B.
  • Thickness Average.
  • Stigmas Superior in location to anthers. Color: Greyed-Yellow Group 162D.
  • Plant growth Vigorous, compact, upright to bushy. When grown as a 15 cm pot plant, the average height of the plant itself is 27 cm and the average width is 18 cm.
  • Size 20 cm from flower to first branch. Stem diameter is 3 mm.
  • Internodal distance 40 mm (average.)
  • Plant foliage Typical number of leaflets on leaves in middle of the stem: 5 leaflets.
  • Compound leaf size 106 mm (l) ⁇ 73 mm (w).
  • Quantity Average, one leaf per each 4 cm of stem.
  • Color mature foliage Upper Leaf Surface: Yellow-Green Group 137A to 146A. Lower Leaf Surface: Yellow-Green Group 146C.
  • Color juvenile foliage Upper Leaf Surface: Yellow-Green Group 152D. Lower Leaf Surface: Yellow-Green Group 152D.
  • Plant leaves and leaflets Plant leaves and leaflets:

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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 compact floribunda rose plant which has abundant, light yellow to near white flowers and attractive foliage. The variety successfully propagates from softwood cuttings and is suitable for year round production in commercial glasshouses. This new and distinct variety has shown to be uniform and stable in the resulting generations from asexual propagation.

Description

Botanical classification: Rosa hybrida.
Variety denomination: ‘POULac017’.
SUMMARY OF THE INVENTION
The present discovery constitutes a new and distinct variety of a compact floribunda pot rose plant which was discovered in a cultivated area. The mutation resulted from ‘POULra015’, a miniature pot rose hybridized by the same inventors. ‘POULra015’ is described and illustrated in U.S. Plant Pat. No. 14,309, and applied for on Sep. 17, 2002. The new rose variety resulted from a naturally occurring mutation of unknown causation on a branch of ‘POULra015’.
The rose plant of the present discovery has a unique combination of characteristics which are outstanding in the new variety and which distinguish it from the original rose ‘POULra015’ as well as all other varieties which we are aware of. For example, the new variety has:
1. Uniform and abundant near white to light yellow flowers with rose fragrance;
2. Vigorous and compact growth;
3. Year-round flowering under glasshouse conditions;
4. Suitability for production from softwood cuttings in pots;
5. Durable flowers and foliage which make a variety suitable for distribution in the floral industry.
This combination of qualities is not present in previously available commercial cultivars of this type and distinguish ‘POULac017’ from all other varieties of which we are aware.
The resulting mutation was selected and evaluations were conducted on the resulting rose plants in a controlled environment.
Asexual reproduction of ‘POULac017’ by cuttings and traditional budding was first done by L. Pernille and Mogens N. Olesen in their nursery in Fredensborg, Denmark in 1999. This initial and other subsequent propagations conducted in controlled environments have demonstrated that the characteristics of ‘POULac017’ are true to type and are transmitted from one generation to the next.
BRIEF DESCRIPTION OF THE DRAWING
The accompanying color illustration shows as true as is reasonably possible to obtain in color photographs of this type, the typical characteristics of the buds, flowers, leaves, and stems of ‘POULac017’. Specifically illustrated in FIG. 1:
FIG. 1.1; Opened flower;
FIG. 1.2; Flower bud, closed, partially open and ¼ open;
FIG. 1.3; Flower petals, detached;
FIG. 1.4; Sepals, receptacle, and pedicel;
FIG. 1.5; Juvenile leaves;
FIG. 1.6; Leaves.
FIG. 1.7; Bare stem.
DETAILED DESCRIPTION OF THE VARIETY
The following is a description of ‘POULac017’, as observed in its growth in glasshouses in, Burlington Ontario. Observed plants were grown for 10 months in 15 cm pots. Color references are made using The Royal Horticultural Society (London, England) Colour Chart, 1995, except where common terms of color are used.
For a comparison, several physical characteristics of the rose variety ‘POULgret’, a rose variety from the same inventors described and illustrated in U.S. Plant Pat. No. 10,729 and issued on Dec. 22, 1998, are compared to ‘POULac017’ in Chart 1.
CHART 1
‘POULac017’ ‘POULgret’
Petal Color Outermost Petals: Outermost Petals:
Open Flower Yellow Group 11D White 155B
Petal Count 14 under normal 25 to 28 under
conditions. normal conditions.
Petal Spot None observed. Yellow Group 4C.
FLOWER AND FLOWER BUD
Blooming habit: Continuous.
Flower bud:
Size.—Upon opening, 22 mm in length from base of receptacle to end of bud.
Bud form.—Broad based.
Bud color.—As sepals unfold, Yellow Group 8B; Yellow Group 9D at ¼ opening.
Sepals.—Upper Surface: Green Group 146B to 145B. Lower Surface: Yellow-Green Group 146B. Anthocyanin: Medium amount. Greyed-Orange Group 176A. Additional Observations: Strong foliaceous appendages on three of the five sepals. Surfaces of sepals slightly pubescent. Stipitate glands are scant. Shape: Sepal apex is cirrose. Base is flat at union with receptacle. Size: 35 mm long×5 mm wide.
Receptacle.—Surface: Smooth and glabrous. Shape: Funnel shaped. Size: 6 mm (h)×8 mm (w). Color: Yellow-Green Group 144A. Anthocyanin: None observed.
Peduncle.—Surface: Smooth and stipitate glands scant. Length: 75 mm to 90 mm average length. Color: Yellow-Green Group 144A. Strength: Strong.
Borne.—Singularly.
Anthocyanin.—Strong.
Flower bloom:
Fragrance.—Moderate rose scent.
Duration.—The blooms have a duration on the plant of approximately 7 to 10 days. Petals fall cleanly away from plant.
Size.—Medium for a 15 cm pot rose. Average flower diameter is 40 to 50 mm when open. Average flower depth is 25 mm when open.
Form.—Deep Cup. Shape of flower when viewed from the side: Upon opening, upper part: Flat. Upon opening, lower part: Flattened convex. Open flower, upper part: Flat. Open flower, lower part: Flattened convex.
Petalage.—Semi double. Average range: 14 petals under normal conditions with 3 petaloids.
Color:
Upon opening, petals.—Outermost petals: Outer Side: Yellow Group 8D, middle to marginal zone. Intonations of: Yellow Group 13C at basal zone. Inner Side: Yellow Group 8D, middle to marginal zone. Intonations of 8C to 8A at basal zone. Innermost petals: Outer Side: Yellow Group 8C with intonations of Yellow-Orange Group 22B. Inner Side: Yellow Group 8C with intonations of 8A at basal zone.
Upon opening, basal petal spots.—No distinctive coloration at petal base observed.
After opening, petals.—Outermost petals: Outer Side: Yellow Group 11D with intonations of Yellow Group 8A at the basal zone. Inner Side: Yellow Group 11D with intonations of Yellow Group 8A at the basal zone. Innermost petals: Outer Side: Yellow Group 8D with intonations of Yellow 8A at the basal zone. Inner Side: Yellow Group 8D with intonations of Yellow 8A at the basal zone.
After opening, basal petal spots.—No distinctive coloration at petal base observed.
General tonality: On open flower Yellow Group 8D with intonations of Yellow-Orange Group 14D. No change in the general tonality at the end of the 10th day.
Petals:
Petal reflex.—Somewhat.
Petal edge.—Entire. Weak and undulations of margin.
Apex shape.—Round with point in center of margin.
Base shape.—Rounded.
Size.—Length 30 mm, width 52 mm.
Petaloids.—3 to 5. Petaloids are 25 mm long and 22 mm wide. Petaloid Shape: Irregular. Petaloid Color: Upper surface: Yellow 8C to 8A. Lower surface: Yellow 8C with intonations of Yellow-Orange Group 22B.
Thickness.—Average.
Arrangement.—Formal.
Reproductive organs:
Pistils.—Length: 6 mm long. Quantity: 68 actual count.
Pollen.—None observed.
Anthers.—Size: 2 mm long. Color: Yellow Group 13C. Quantity: 54 (actual count.)
Filaments.—Color: Yellow Group 6C. Length: 4 to 5 mm.
Stigmas.—Superior in location to anthers. Color: Greyed-Yellow Group 162D.
Styles.—Color: Greyed-Purple Group 58A.
Seed formation.—Hips not observed.
PLANT
Plant growth: Vigorous, compact, upright to bushy. When grown as a 15 cm pot plant, the average height of the plant itself is 27 cm and the average width is 18 cm.
Stems:
Color.—Young wood: Yellow-Green Group 146A to 146B. Older wood: Yellow-Green Group 146A to 146B.
Thorns.—Incidence: None observed.
Size.—Average length: 20 cm from flower to first branch. Stem diameter is 3 mm.
Internodal distance.—40 mm (average.)
Surface texture.—Young wood: Smooth. Older wood: Smooth.
Plant foliage: Typical number of leaflets on leaves in middle of the stem: 5 leaflets.
Compound leaf size.—106 mm (l)×73 mm (w).
Quantity.—Average, one leaf per each 4 cm of stem.
Color mature foliage.—Upper Leaf Surface: Yellow-Green Group 137A to 146A. Lower Leaf Surface: Yellow-Green Group 146C.
Color juvenile foliage.—Upper Leaf Surface: Yellow-Green Group 152D. Lower Leaf Surface: Yellow-Green Group 152D.
Anthocyanin intonation.—Yes. Location: Juvenile leaves. Color: Greyed-Orange Group 176A.
Plant leaves and leaflets:
Stipules.—Size: 7 mm (l) by 2 mm (w). Presence of stipitate glands: Few.
Petiole.—Length: 23 mm. Width: 1 mm. Color: Yellow-Green Group 146C. Underneath: Thorns and few stipitate glands.
Rachis.—Length: 29 mm. Color: Yellow-Green Group 146C. Anthocyanin: None. Underneath: Thorns and few stipitate glands.
Leaflet.—Edge: Finely serrated. Shape: Ovate. Terminal Leaflet Size: 56 mm long×29 mm wide. Vein Color: Yellow-Green Group 146C. Texture: Smooth. Thickness: Medium. Arrangement: Old pinnate. Venation: Reticulate. Leaf surface: Matte finish.
Disease resistance: Above average resistance to mildew, black spot, and Botrytis under normal growing conditions in Burlington, Canada.

Claims (1)

We claim:
1. A new and distinct variety of rose plant of the compact floribunda class, substantially as herein illustrated and described as a distinct and novel rose variety due to its abundant, light yellow to near white flowers, vigorous growth, compact habit, suitability for production from softwood cuttings in pots, and durable flowers and foliage which make the variety suitable for distribution in the floral industry.
US10/672,351 2003-09-25 2003-09-25 Compact floribunda rose plant named ‘POULac017’ Expired - Lifetime USPP15000P2 (en)

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Owner name: POULSEN ROSER A/S, DENMARK

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:OLESEN, L. PERNILLE;OLESEN, MOGENS N.;REEL/FRAME:014047/0995

Effective date: 20031010