USPP15614P2 - Calibrachoa plant named ‘Kakegawa S64’ - Google Patents

Calibrachoa plant named ‘Kakegawa S64’ Download PDF

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USPP15614P2
USPP15614P2 US10/801,908 US80190804V USPP15614P2 US PP15614 P2 USPP15614 P2 US PP15614P2 US 80190804 V US80190804 V US 80190804V US PP15614 P2 USPP15614 P2 US PP15614P2
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rhs
kakegawa
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calibrachoa
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Masao Bessho
Toshimi Ohga
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Sakata Seed Corp
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Sakata Seed Corp
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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
    • A01H6/82—Solanaceae, e.g. pepper, tobacco, potato, tomato or eggplant
    • A01H6/821—Calibrachoa

Definitions

  • Genus/species Calibrachoa species.
  • ‘Kakegawa S64’ originated from a hybridization made in November 1998 in Kakegawa, Japan.
  • the female parent was a Calibrachoa ‘Liracashower Blue’ (U.S. Plant Pat. No. 9,885).
  • the male parent was a Calibrachoa breeding line with deep rose colored flowers and mounding habit and short internode length known as 97-1176 (not patented).
  • F 1 seed from this cross was sown and later transplanted outdoors in Kakegawa, Japan.
  • the F 1 plants were blue, rose or pink in flower color and ranged from semi-creeping to compact in habit.
  • Three, single-plant selections were made from the F 1 plants based on their blue flower color and intercrossed to create an F 2 generation.
  • seed from the F 2 generation was sown and later transplanted outdoors.
  • F 2 plants ranged from extra compact to mounding in habit and all flowers were violet-blue in flower color.
  • Two, single-plant selections were made from the F 2 generation based on their extra compact habit and vegetatively propagated.
  • August 2002 the two selections were evaluated in 9 cm hanging pots in a greenhouse as well as in an open field. One selection was chosen based on the trial.
  • This new Calibrachoa plant is illustrated by the accompanying photograph which shows blooms and foliage of the plant in full color. The colors shown being as true as can be reasonably obtained by conventional photographic procedures.
  • FIG. 1 shows a close-up view of flowers.
  • FIG. 2 shows the entire plant.
  • the genus Petunia was originally established in 1803 by A. L. Jussieu, who described both P. parviflora and P. nyctaginiflora as type species. Using a non-horticultural system that selected the first mentioned species as the type species (lectotype), N. L. Britton and H. A. Brown declared P. parviflora as the type species for Petunia in 1913.
  • Calibrachoa Classification of the current Petunia and Calibrachoa species is still in progress. New species are also being identified. Consequently, a proper description has not been written for the Calibrachoa genus. Calibrachoa can, however, be distinguished from Petunia based on the higher chromosome number, chromosome morphology, plant branching habit and type of flower bud aestivation. Whereas Petunia species bear a flower peduncle and one new stem from a node, Calibrachoa bear a flower peduncle and three stems. Petunia species have a cochlear corolla bud, a single outermost petal covers the other four, radially folded and terminally contorted petals. Calibrachoa flower buds are flat with all five petals linearly folded and the two lower petals forming a cover around the three other petals and fused together.
  • the terminal 1.0 to 1.5 inches of an actively growing stem was excised.
  • the vegetative cuttings were propagated in five to six weeks.
  • the base of the cuttings were dipped for 1 to 2 seconds in a 1:9 solution of DIP 'N GROW (1 DIP 'N GROW: 9 water) root-inducing solution immediately prior to sticking into the cell trays.
  • Cuttings were stuck into plastic cell trays having 98 cells and containing a moistened peat moss-based growing medium.
  • the cuttings were misted with water from overhead for 10 seconds every 30 minutes until sufficient roots were formed.
  • Rooted cuttings were transplanted and grown in 20 cm diameter plastic pots in a glass greenhouse located in Salinas, Calif. Pots contained a peat moss-based growing medium. Soluble fertilizer containing 20% nitrogen, 10% phosphorus and 20% potassium was applied once a day or every other day by overhead irrigation. Pots were top-dressed with a dry, slow release fertilizer containing 20% nitrogen, 10% phosphorus and 18% potassium. The typical average air temperature was 24° C.
  • ‘Kakegawa S64’ is a distinct variety of Calibrachoa owing to its short internode length, which leads to a compact growth habit, and lighter purple petal lobe color. ‘Kakegawa S64’ is most similar to the variety ‘Liracashower Blue’ (U.S. Plant Pat. No. 9,885); however, there are differences as shown in Table 1 below.

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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

‘Kakegawa S64’ is a new variety of Calibrachoa plant. This new variety has lighter purple petal lobes and dark green foliage.

Description

Genus/species: Calibrachoa species.
Varietal denomination: ‘Kakegawa S64’.
BACKGROUND OF THE INVENTION
‘Kakegawa S64’ originated from a hybridization made in November 1998 in Kakegawa, Japan. The female parent was a Calibrachoa ‘Liracashower Blue’ (U.S. Plant Pat. No. 9,885). The male parent was a Calibrachoa breeding line with deep rose colored flowers and mounding habit and short internode length known as 97-1176 (not patented).
In February 1999, F1 seed from this cross was sown and later transplanted outdoors in Kakegawa, Japan. The F1 plants were blue, rose or pink in flower color and ranged from semi-creeping to compact in habit. Three, single-plant selections were made from the F1 plants based on their blue flower color and intercrossed to create an F2 generation. In August 1999, seed from the F2 generation was sown and later transplanted outdoors. F2 plants ranged from extra compact to mounding in habit and all flowers were violet-blue in flower color. Two, single-plant selections were made from the F2 generation based on their extra compact habit and vegetatively propagated. In August 2002, the two selections were evaluated in 9 cm hanging pots in a greenhouse as well as in an open field. One selection was chosen based on the trial.
The selection was further evaluated from new vegetative plants in Salinas, Calif. during 2003. The selection was subsequently named ‘Kakegawa S64’. ‘Kakegawa S64’ was asexually reproduced by stem cuttings in Salinas, Calif. and was determined to reproduce true to type in successive generations of asexual propagation.
DESCRIPTION OF PHOTOGRAPH
This new Calibrachoa plant is illustrated by the accompanying photograph which shows blooms and foliage of the plant in full color. The colors shown being as true as can be reasonably obtained by conventional photographic procedures.
FIG. 1 shows a close-up view of flowers.
FIG. 2 shows the entire plant.
 DESCRIPTION OF THE GENUS CALIBRACHOA LLAVE & LEX
The genus Petunia was originally established in 1803 by A. L. Jussieu, who described both P. parviflora and P. nyctaginiflora as type species. Using a non-horticultural system that selected the first mentioned species as the type species (lectotype), N. L. Britton and H. A. Brown declared P. parviflora as the type species for Petunia in 1913.
During the 1980's and 1990, H. J. Wijsman published a series of articles regarding the ancestry of P. hybrida, the Garden Petunia, and the inter-relationship of several species classified as Petunia. These studies discovered that P. hybrida and its ancestral species, P. nyctaginiflora (=P. axillaris) and P. violacea (=P. integrifolia), possessed 14 pairs of chromosomes while several other species, including P. parviflora, possessed 18 pairs of chromosomes. Since P. parviflora was the lectotype species for the Petunia genus, Wijsman and J. H. de Jong proposed transferring the 14 chromosome species to the genus Stimoryne. Horticulturists opposed reclassifying the Garden Petunia and in 1986, Wijsman proposed the alternative of making P. nyctaginiflora the lectotype species for Petunia and transferring the 18 chromosome species to another genus. The I. N. G. Committee adopted this proposal. By 1990, Wijsman had transferred several species, including P. parviflora (=C. parviflora) to Calibrachoa, originally established by Llave and Lexarza in 1825. Calibrachoa parviflora (=C. mexicana Llave & Lexarza) is now the type species for the genus Calibrachoa.
Classification of the current Petunia and Calibrachoa species is still in progress. New species are also being identified. Consequently, a proper description has not been written for the Calibrachoa genus. Calibrachoa can, however, be distinguished from Petunia based on the higher chromosome number, chromosome morphology, plant branching habit and type of flower bud aestivation. Whereas Petunia species bear a flower peduncle and one new stem from a node, Calibrachoa bear a flower peduncle and three stems. Petunia species have a cochlear corolla bud, a single outermost petal covers the other four, radially folded and terminally contorted petals. Calibrachoa flower buds are flat with all five petals linearly folded and the two lower petals forming a cover around the three other petals and fused together.
In U.S. Plant Pat. No. 9,885, the Genus for ‘Liracashower Blue’ was identified as Petunia. Since that time, as discussed above, the inventors have learned that the Genus Petunia had been split by the I. N. G., and this particular variety, because of its chromosome number and bud aestivation is more accurately characterized as a member of the Calibrachoa Genus.
ENVIRONMENTAL CONDITIONS FOR PLANT GROWTH
The terminal 1.0 to 1.5 inches of an actively growing stem was excised. The vegetative cuttings were propagated in five to six weeks. The base of the cuttings were dipped for 1 to 2 seconds in a 1:9 solution of DIP 'N GROW (1 DIP 'N GROW: 9 water) root-inducing solution immediately prior to sticking into the cell trays. Cuttings were stuck into plastic cell trays having 98 cells and containing a moistened peat moss-based growing medium. The cuttings were misted with water from overhead for 10 seconds every 30 minutes until sufficient roots were formed.
Rooted cuttings were transplanted and grown in 20 cm diameter plastic pots in a glass greenhouse located in Salinas, Calif. Pots contained a peat moss-based growing medium. Soluble fertilizer containing 20% nitrogen, 10% phosphorus and 20% potassium was applied once a day or every other day by overhead irrigation. Pots were top-dressed with a dry, slow release fertilizer containing 20% nitrogen, 10% phosphorus and 18% potassium. The typical average air temperature was 24° C.
DETAILED DESCRIPTION OF THE NEW PLANT
Data below collected on plants four months from rooted cutting and transplanted into 20.0 cm diameter pots. Color references are to the R.H.S. Colour Chart of The Royal Horticultural Society of London (R.H.S.). The following traits and characteristics describe the new variety.
  • Classification:
      • Family.—Solanaceae.
      • Species.—Calibrachoa sp.
      • Common names.—Calibrachoa.
  • Parentage:
      • Female parent.—Calibrachoa ‘Liracashower Blue’ (U.S. Plant Pat. No. 9,885).
      • Male parent.—Breeding line 97-1176 (not patented).
  • Growth:
      • Habit.—Decumbent.
      • Height.—13.0-15.0 cm.
      • Spread.—40.0-45.0 cm for one plant when grown in a 20.0 cm diameter pot.
      • Life cycle.—Perennial.
      • Form.—Branching, dense, compact (shorter internode lengths).
      • Time to produce a rooted cutting.—6 weeks.
      • Time to bloom from propagation.—10 weeks.
      • Flowering requirements.—Will flower so long as day length is greater than 12 hours and temperatures exceed 13° C.
      • Resistance/susceptibility.—Excellent resistance to rain, heat and drought. Will not tolerate temperature below 10° C. Plants are susceptible to Botrytis, powdery mildew, various stem and root rots and certain viruses, like Tobacco Mosaic Virus and Impatiens Necrotic Spotted Virus. Plants can be infested with aphids, leafminer, whitefly and various Lepidoptera.
  • Stems:
      • Stem color.—RHS 144B (yellow-green).
      • Anthocyanin color.—RHS N77A (purple).
      • Pubescence.—Heavy.
      • Pubescence color.—RHS N155A (white).
      • Stem description.—Round.
      • Stem length.—2.5 cm-3.0 cm.
      • Stem diameter.—2.0 mm.
      • Internode length.—0.5-1.0 cm.
  • Leaves:
      • Leaf arrangement.—Alternate.
      • Leaf shape.—Elliptical.
      • Leaf tip.—Mucronate.
      • Leaf base.—Decurrent.
      • Leaf margin.—Entire.
      • Leaf surface.—Rough, dull.
      • Leaf length.—1.0 cm.
      • Leaf width.—0.5 cm.
      • Leaf color.—Upper: RHS 137A (green); Lower: RHS 138B (green).
      • Leaf surface pubescence.—Slight.
      • Leaf surface pubescence color.—RHS N155B (white).
      • Petiole length.—2.0 mm.
      • Petiole color.—RHS 138B (green).
      • Venation.—Pinnate.
  • Flowers:
      • Inflorescence type.—Solitary.
      • Flowering habit.—Indeterminate.
      • Duration of flower life.—5 days.
      • Shape.—The flowers are funnel shaped with five fissures.
      • Flower depth.—2.0 cm-2.5 cm.
      • Floral tube length.—0.8 cm-1.0 cm.
      • Floral tube diameter.—0.4 cm-0.5 cm.
      • Flower diameter.—2.0 cm.
      • Calyx.—5 sepals, free.
      • Sepal shape.—Lanceolate.
      • Sepal apex.—Mucronate.
      • Sepal margin.—Entire.
      • Sepal color.—RHS 143A (green).
      • Bud shape.—Ovate.
      • Bud length.—1.5 cm.
      • Bud diameter.—0.4 cm-0.5 cm.
      • Bud surface.—Pubescent.
      • Bud color.—RHS 68A (violet).
      • Peduncle length.—1.0 cm.
      • Peduncle color.—RHS 144C (yellow-green).
      • Ovary.—Superior.
      • Pistil number.—1.
      • Stigma color.—RHS 150C (yellow).
      • Style color.—RHS 149B (yellow-green).
      • Corolla.—5 petals, fused.
      • Petal shape.—Spatulate.
      • Petal apex.—Truncate.
      • Petal margin.—Entire.
      • Petal pubescence.—Glabrous.
      • Petal size.—1.0 cm×2.0 cm.
      • Petal color.—Lobes: upper RHS 86A (violet) with RHS 83A (violet) veins; lower about lighter than RHS 86A (violet) with RHS 83A (violet) veins; Corolla tube: inner RHS 14D (yellow-orange) with RHS 83A (violet) veins; outer RHS 10D (yellow) with RHS 83A (violet) veins.
      • Stamen number.—5, free.
      • Stamen color.—RHS 150C (yellow-green).
      • Pollen color.—RHS 9B (yellow).
      • Fragrance.—Absent.
      • Seed production.—None.
COMPARISON WITH MOST SIMILAR VARIETY
‘Kakegawa S64’ is a distinct variety of Calibrachoa owing to its short internode length, which leads to a compact growth habit, and lighter purple petal lobe color. ‘Kakegawa S64’ is most similar to the variety ‘Liracashower Blue’ (U.S. Plant Pat. No. 9,885); however, there are differences as shown in Table 1 below.
TABLE 1
‘Kakegawa S64’ ‘Liracashower Blue’
Internode 0.5-1.0 cm 1.5-2.0 cm
Length
Petal Color RHS 86A (violet) is the RHS 88A (violet) is the
Upper upper petal color. It has upper petal color, that is
more blue in it when compared more purple compared to
to ‘Liracashower Blue’. ‘Kakegawa S64’. Fades
The corolla tube base is slightly into RHS 88B
RHS 14D (yellow-orange) (violet) with aging.
with veins running through of Throat shows pale white
RHS 83A (violet). to cream to light green
yellow tones.
Some differences between ‘Kakegawa S64’ and its parental lines are shown in Table 2 below.
TABLE 2
Male Female
Characteristic ‘Kakegawa S64’ (97-1176) (‘Liracashower Blue’)
Petal Color RHS 86A (violet) Deep rose RHS 88A (violet)
Habit Decumbent Mounding Decumbent
Internode 0.5-1.0 cm 0.5-1.0 cm 1.5-2.0 cm
Length

Claims (1)

1. A new and distinct cultivar of Calibrachoa plant as shown and described herein.
US10/801,908 2004-03-16 2004-03-16 Calibrachoa plant named ‘Kakegawa S64’ Expired - Lifetime USPP15614P2 (en)

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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BESSHO, MASAO;OHGA, TOSHIMI;REEL/FRAME:015113/0073;SIGNING DATES FROM 20040212 TO 20040301