U.S. patent number PP19,165 [Application Number 11/800,782] was granted by the patent office on 2008-09-02 for ipomoea plant named `kyuikukan 4`.
This patent grant is currently assigned to Suntory Flowers Ltd. Invention is credited to Kazunari Iwaki, Yumi Kai, Kenji Katayama, Toru Kumagai, Yasuyuki Murakami, Hiroki Nakayama, Yoshinori Nakazawa, Tetsufumi Sakai, Yasuhiro Takahata, Masaru Tanaka, Masaru Yoshinaga.
United States Patent |
PP19,165 |
Takahata , et al. |
September 2, 2008 |
Ipomoea plant named `Kyuikukan 4`
Abstract
A new and distinct cultivar of Ipomoea plant named `Kyuikukan
4`, characterized by its compact and outwardly trailing growth
habit and dark green-colored foliage.
Inventors: |
Takahata; Yasuhiro (Miyakonojo,
JP), Yoshinaga; Masaru (Miyakonojo, JP),
Nakayama; Hiroki (Miyakonojo, JP), Tanaka; Masaru
(Miyakonojo, JP), Nakazawa; Yoshinori (Kumamoto,
JP), Kumagai; Toru (Tsukuba, JP), Kai;
Yumi (Miyakonojo, JP), Katayama; Kenji
(Miyakonojo, JP), Sakai; Tetsufumi (Miyakonojo,
JP), Murakami; Yasuyuki (Shiga, JP), Iwaki;
Kazunari (Kanagawa, JP) |
Assignee: |
Suntory Flowers Ltd (Tokyo,
JP)
|
Family
ID: |
39718535 |
Appl.
No.: |
11/800,782 |
Filed: |
May 7, 2007 |
Current U.S.
Class: |
PLT/258 |
Current CPC
Class: |
A01H
6/00 (20180501); A01H 5/02 (20130101) |
Current International
Class: |
A01H
5/00 (20060101) |
Field of
Search: |
;PLT/258 |
Primary Examiner: Bell; Kent L.
Assistant Examiner: Para; Annette H
Attorney, Agent or Firm: Whealy; C. A.
Claims
It is claimed:
1. A new and distinct Ipomoea plant named `Kyuikukan 4` as
illustrated and described.
Description
Botanical designation: Ipomoea batatas.
Cultivar denomination: `Kyuikukan 4`.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of
Ipomoea, botanically known as Ipomoea batatas, and hereinafter
referred to by the name `Kyuikukan 4`.
The new Ipomoea is a product of a planned breeding program
conducted by the Inventors in Miyazaki, Japan. The objective of the
breeding program is to create new compact Ipomoea cultivars with
attractive foliage shape and coloration.
The new cultivar originated from an open-pollination made by the
Inventors in September, 2000 of a proprietary selection of Ipomoea
batatas identified as code number KOP98211-2, not patented, as the
female, or seed, parent with an unknown selection of Ipomoea
batatas as the male, or pollen, parent. The cultivar Kyuikukan 4
was discovered and selected by the Inventors as a single plant
within the progeny of the stated open-pollination in a controlled
environment in Miyazaki, Japan.
Asexual reproduction of the new Ipomoea by terminal cuttings in a
controlled environment in Miyazaki, Japan since December, 2005, has
shown that the unique features of this new Ipomoea are stable and
reproduced true to type in successive generations.
SUMMARY OF THE INVENTION
The cultivar Kyuikukan 4 has not been observed under all possible
environmental conditions. The phenotype may vary somewhat with
variations in environment and cultural practices such as
temperature, daylength 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 `Kyuikukan 4`. These
characteristics in combination distinguish `Kyuikukan 4` as a new
and distinct cultivar of Ipomoea: 1. Compact and outwardly trailing
growth habit. 2. Dark green-colored foliage.
Plants of the new Ipomoea can be compared to plants of the female
parent selection. Plants of the new Ipomoea differ from plants of
the female parent selection primarily in flower production as
plants of the new Ipomoea are day-neutral whereas plants of the
female parent selection only flower under short day photoinductive
conditions.
Plants of the new Ipomoea can be compared to plants of the Ipomoea
batatas cultivar Sweet Caroline Bronze, disclosed in U.S. Plant
Pat. No. 15,437. In side-by-side comparisons conducted in Shiga,
Japan, plants of the new Ipomoea differed from plants of the
cultivar Sweet Caroline Bronze in the following characteristics: 1.
Plants of the new Ipomoea were taller and had longer internodes
than plants of the cultivar Sweet Caroline Bronze. 2. Plants of the
new Ipomoea and the cultivar Sweet Caroline Bronze differed in leaf
and petiole color. 3. Plants of the new Ipomoea had shorter leaf
petioles than plants of the cultivar Sweet Caroline Bronze. 4.
Plants of the new Ipomoea were day-neutral whereas plants of the
cultivar Sweet Caroline Bronze flowered only under short day
photoinductive conditions.
BRIEF DESCRIPTION OF THE PHOTOGRAPHS
The accompanying colored photographs illustrate the overall
appearance of the new Ipomoea, 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 Ipomoea.
The photograph at the top of the sheet comprises a side perspective
view of a typical plant of `Kyuikukan 4` grown in a container.
The photograph in the middle of the sheet comprises a close-up view
of typical leaves of `Kyuikukan 4`.
The photograph at the bottom of the sheet is a close-up view of a
typical open flower of `Kyuikukan 4`.
DETAILED BOTANICAL DESCRIPTION
The photographs and following observations, measurements and values
describe plants grown in Shiga, Japan in a polyethylene-covered
greenhouse during the spring under conditions which closely
approximate commercial production. During the production of the
plants, day temperatures were about 25.degree. C. and night
temperatures were about 15.degree. C. Plants were about four months
old when the photographs and the description were taken. In the
detailed 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: Ipomoea batatas cultivar Kyuikukan 4.
Parentage: Female, or seed, parent.--Proprietary selection of
Ipomoea batatas identified as code number KOP98211-2, not patented.
Male, or pollen, parent.--Unknown selection of Ipomoea batatas, not
patented. Propagation: Type.--By terminal cuttings. Time to
initiate roots.--About three days at temperatures of 20.degree. C.
to 25.degree. C. Time to produce a rooted young plant.--About four
weeks at temperatures of 20.degree. C. to 25.degree. C. Root
description.--Thick, fleshy. Development of tubers, ellipsoidal in
shape and light brown in color, has been observed. Plant
description: Plant habit.--Compact and outwardly trailing plant
habit. Freely branching habit; pinching enhances lateral branch
development; vigorous growth habit. Plant height.--About 15.7 cm.
Plant diameter.--About 34.6 cm. Lateral branch description:
Length.--About 20.4 cm. Diameter.--About 3.5 mm. Internode
length.--About 2.2 cm. Strength.--Strong. Texture.--Pubescent.
Color.--N186C. Foliage description: Arrangement.--Alternate,
simple. Length.--About 11.2 cm. Width.--About 9.5 cm.
Shape.--Roughly palmate. Apex.--Acute. Base.--Truncate with cordate
tendencies. Margin.--Entire; deeply lobed. Texture, upper and lower
surfaces.--Sparsely pubescent. Venation pattern.--Palmate.
Color.--Developing foliage, upper surface: 144A; tinted with N77B.
Developing foliage, lower surface: 144B. Fully expanded foliage,
upper surface: Close to 147A; venation, 144A tinted with N186C.
Fully expanded foliage, lower surface: Close to 147B; venation,
144A tinted with N186C. Petiole.--Length: About 6.9 cm. Diameter:
About 2.2 mm. Texture, upper and lower surfaces: Sparsely
pubescent. Color, upper surface: N186C. Color, lower surface: N77B.
Flower description: Flower arrangement and habit.--Single
salverform flowers arising from leaf axils. Freely flowering habit
with usually about five to seven flowers and flower buds per
lateral branch. Flowers not persistent. Flowers face mostly
upright. Flowers not fragrant. Natural flowering season.--Plants of
the new Ipomoea flower year-round, but in the garden, from summer
to fall in Japan. Flowering longevity.--Individual flowers last
about one day on the plant. Flower diameter.--About 5.3 cm. Flower
length (depth).--About 4 cm. Throat diameter.--About 1.9 cm. Tube
diameter.--About 1.4 mm. Flower bud.--Shape: Lenticular. Length:
About 2.5 cm. Diameter: About 6.7 mm. Color: 76C.
Corolla.--Arrangement: Five petals fused at the base and opening
into a flared trumpet. Petal length from throat: About 1.6 cm.
Petal width: About 2.1 cm. Petal shape: Roughly spatulate. Petal
apex: Rounded acute. Petal margin: Entire. Petal texture, upper and
lower surfaces: Smooth, glabrous. Color: Petal, when opening, upper
and lower surfaces: Close to 76C; throat, N78A. Petal, fully
opened, upper and lower surfaces: Close 76C; tube, 76A.
Calyx.--Arrangement: One star-shaped calyx tube with five sepals
fused at the base per flower. Sepal length: About 1 cm. Sepal
width: About 3.5 mm. Sepal shape: Lanceolate. Sepal apex: Acute.
Sepal base: Obtuse. Sepal margin: Entire. Color, immature and
mature, upper surface: N144A. Color, immature and mature, lower
surface: N144A. Peduncles.--Length: About 3.4 cm. Diameter: About
2.6 mm. Angle: Upright. Texture: Smooth. Color: N186C. Reproductive
organs.--Stamens: Quantity/arrangement: Five per flower. Anther
shape: Ellipsoidal. Anther size: About 2 mm by 4 mm. Anther color:
155D. Pollen amount: Scarce. Pollen color: 155B. Pistils: Quantity:
One per flower. Pistil length: About 2 cm. Style color: Towards the
base, N80C: towards the apex, 155B. Stigma color: 155B. Seed/fruit:
Seed and fruit development have not been observed on plants of the
new Ipomoea. Temperature tolerance: Plants of the new Ipomoea have
been observed to tolerate temperatures from about 5.degree. C. to
about 35.degree. C. Pathogen/pest resistance: Plants of the new
Ipomoea have not been observed to be resistant to pests and
pathogens common to Ipomoea.
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