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Chrysanthemum plant named `Dekcatta`
PP22906 Chrysanthemum plant named `Dekcatta`
Patent Drawings:Drawing: PP22906-4    Drawing: PP22906-5    
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(2 images)

Inventor: Dekker
Date Issued: July 31, 2012
Application: 12/932,495
Filed: February 25, 2011
Inventors: Dekker; Cornelis W. (Hensbroek, NL)
Assignee: Dekker Breeding B.V. (Hensbroek, NL)
Primary Examiner: Para; Annette
Assistant Examiner:
Attorney Or Agent: Whealy; C. A.
U.S. Class: PLT/287
Field Of Search: PLT/287
International Class: A01H 5/00
U.S Patent Documents:
Foreign Patent Documents:
Other References:









Abstract: A new and distinct cultivar of Chrysanthemum plant named `Dekcatta`, characterized by its relatively small semi-double type inflorescences with light purple-colored quilled ray florets; strong and upright flowering stems; short response time; uniform and freely flowering habit; and excellent postproduction longevity.
Claim: It is claimed:

1. A new and distinct Chrysanthemum plant named `Dekcatta` as illustrated and described.
Description: Botanical designation:Chrysanthemum.times.morifolium.

Cultivar denomination: `DEKCATTA`.

BACKGROUND OF THE INVENTION

The present invention relates to a new and distinct cultivar of Chrysanthemum plant, botanically known as Chrysanthemum.times.morifolium, commercially grown as a cut flower and hereinafter referred to by the name `Dekcatta`.

The new Chrysanthemum plant is a product of a planned breeding program conducted by the Inventor in Hensbroek, The Netherlands. The objective of the breeding program is to create new freely-flowering cut Chrysanthemum plants with semi-doubleinflorescences with quilled ray florets, strong flowering stems, short response time and excellent postproduction longevity.

The new Chrysanthemum plant originated from a cross-pollination made by the Inventor in Hensbroek, The Netherlands in May, 2007, of a proprietary selection of Chrysanthemum.times.morifolium identified as code number 04.42081.03, not patented, asthe female, or seed, parent with a proprietary selection of Chrysanthemum.times.morifolium identified as code number 05.39491.01, not patented. The new Chrysanthemum plant was discovered and selected by the Inventor as a single flowering plant fromwithin the progeny of the stated cross-pollination in a controlled greenhouse environment in Hensbroek, The Netherlands in November, 2007.

Asexual reproduction of the new Chrysanthemum plant by terminal cuttings in a controlled greenhouse environment in Hensbroek, The Netherlands since December, 2007 has shown that the unique features of this new Chrysanthemum plant are stable andreproduced true to type in successive generations.

SUMMARY OF THE INVENTION

Plants of the new Chrysanthemum have not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature, daylength and light intensity, without, however, anyvariance in genotype.

The following traits have been repeatedly observed and are determined to be the unique characteristics of `Dekcatta`. These characteristics in combination distinguish `Dekcatta` as a new and distinct Chrysanthemum plant: 1. Relatively smallsemi-double type inflorescences with light purple-colored quilled ray florets. 2. Strong and upright flowering stems. 3. Short response time. 4. Uniform and freely flowering habit. 5. Excellent postproduction longevity; plants maintain goodsubstance for about 26 days in an interior environment.

Plants of the new Chrysanthemum differ from plants of the female parent selection in the following characteristics: 1. Plants of the new Chrysanthemum have larger inflorescences than plants of the female parent selection. 2. Inflorescences ofplants of the new Chrysanthemum have more ray florets than inflorescences of plants of the female parent selection.

Plants of the new Chrysanthemum differ from plants of the male parent selection in the following characteristics: 1. Plants of the new Chrysanthemum are less vigorous than plants of the male parent selection. 2. Plants of the newChrysanthemum flower about 15 days earlier than plants of the male parent selection. 3. Plants of the new Chrysanthemum have smaller inflorescences than plants of the male parent selection. 4. Ray florets of plants of the new Chrysanthemum are darkerin color than ray florets of plants of the male parent selection.

Plants of the new Chrysanthemum can be compared to plants of Chrysanthemum.times.morifolium `Dekmaki`, disclosed in U.S. Plant patent application Ser. No. 12/799,433. In side-by-side comparisons conducted in Hensbroek, The Netherlands, plantsof the new Chrysanthemum differed from plants of `Dekmaki` in the following characteristics: 1. Plants of the new Chrysanthemum were not as vigorous as plants of `Dekmaki`. 2. Plants of the new Chrysanthemum flowered about two days later than plantsof `Dekmaki`. 3. Plants of the new Chrysanthemum and `Dekmaki` differed in ray floret color as plants of `Dekmaki` had white-colored ray florets.

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

The accompanying colored photographs illustrate the overall appearance of the new Chrysanthemum plant showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photographs may differslightly from the color values cited in the detailed botanical description which accurately describe the colors of the new Chrysanthemum plant.

The photograph on the first sheet comprises a side perspective view of a typical flowering stem of `Dekcatta` grown as a spray-type.

The photograph on the second sheet comprises close-up views of the upper (top of the photograph) and lower surfaces (bottom of the photograph) of typical inflorescences and leaves of `Dekcatta`.

DETAILED BOTANICAL DESCRIPTION

The aforementioned photographs and following observations and measurements describe plants grown during the winter in ground beds in a glass-covered greenhouse in Hensbroek, The Netherlands and under commercial cut Chrysanthemum culturalpractices. Plants were initially given two weeks of long day/short night treatments followed by short day/long night treatments to induce flower initiation and development. During the production of the plants, day temperatures ranged from 18.degree. C. to 25.degree. C., night temperatures ranged from 20.degree. C. to 22.degree. C. and light levels were about 7,000 lux. Plants were 7.5 weeks old when the photographs and the description were taken. In the following description, color referencesare made to The Royal Horticultural Society Colour Chart, 2007 Edition, except where general terms of ordinary dictionary significance are used. Botanical classification: Chrysanthemum.times.morifolium `Dekcatta`. Parentage: Female, or seed,parent.--Proprietary selection of Chrysanthemum.times.morifolium identified as code number 04.42081.03, not patented. Male, or pollen, parent.--Proprietary selection of Chrysanthemum.times.morifolium identified as code number 05.39491.01, not patented. Propagation: Type.--Terminal vegetative cuttings. Time to initiate roots, summer.--About four days at 20.degree. C. Time to initiate roots, winter.--About six days at 20.degree. C. Time to produce a rooted young plant, summer.--About 13 days at20.degree. C. Time to produce a rooted young plant, winter.--About 15 days at 20.degree. C. Root description.--Fine, fibrous; light brown in color. Rooting habit.--Freely branching, medium density. Plant description: Appearance and growthhabit.--Herbaceous semi-double type cut flower that is typically grown as a spray-type; moderately vigorous growth habit. Flowering stem description.--Aspect: Erect. Strength: Strong. Length: About 60 cm. Stem diameter: About 4 mm. Spray diameter:About 18 cm. Internode length: About 1.5 cm to 2.5 cm. Texture: Finely pubescent; longitudinally ridged. Color: Close to 146B. Foliage description.--Arrangement: Alternate; simple. Length: About 5 cm to 9 cm. Width: About 3 cm to 4 cm. Apex:Cuspidate. Base: Attenuate. Margin: Palmately lobed, serrate; sinuses parallel to divergent. Texture, upper and lower surfaces: Pubescent, slightly rough; veins prominent on lower surface. Venation pattern: Pinnate, reticulate. Color: Developingleaves, upper surface: Close to N137A. Developing leaves, lower surface: Close to 147B. Fully developed leaves, upper surface: Close to 147A; venation, close to 146B to 146C. Fully developed leaves, lower surface: Close to 147B; venation, close to146C. Petiole: Length: About 1 cm to 1.5 cm. Diameter: About 2 mm to 3 mm. Texture, upper and lower surfaces: Slightly rough. Color, upper surface: Close to 146B to 146C. Color, lower surface: Close to 146C. Inflorescence description:Appearance.--Semi-double type inflorescence form with quilled ray florets and tubular disc florets; inflorescences borne perpendicular to axillary laterals (peduncles); ray and disc florets develop acropetally on a capitulum. Fragrance.--Moderatelyfragrant. Flowering response.--Under natural conditions, plant flower in the autumn/winter in the Northern Hemisphere; at other times of the year, inflorescence initiation and development can be induced under short day/long night conditions (at least13.5 hours of darkness); uniform flowering habit and short response time, plants exposed to two weeks of long day/short night conditions after planting followed by photoinductive short day/long night conditions flower about 37 days later when grown as aspray-type. Postproduction longevity.--Excellent postproduction longevity; in an interior environment, inflorescences and foliage will maintain good color and substance for about 26 days; inflorescences persistent. Quantity of inflorescences.--Freelyflowering habit; when grown as a spray type, about 40 inflorescences develop. Inflorescence size.--Diameter: About 3.5 cm. Depth (height): About 2 cm. Disc diameter: About 1 cm. Receptacle height: About 3 mm. Receptacle diameter: About 5 mm. Receptacle color: Close to 145A. Inflorescence buds.--Shape: Flattened spherical. Height: About 3 mm. Diameter: About 4 mm to 5 mm. Color: Close to 147D and 150D. Ray florets.--Length: About 1.8 cm. Width: About 2 mm to 3 mm. Shape: Quilled tospatulate. Apex: Emarginate to tri-dentate. Base: Fused into a narrow tube. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous; satiny. Number per inflorescence: About 75 arranged in about three whorls. Aspect: About 45.degree. from horizontal. Color: When opening, upper surface: Close to 76B to 76C. When opening, lower surface: Close to 76C. Fully opened, upper surface: Close to 76B. Fully opened, lower surface: Close to 76C to 76D. Disc florets.--Shape: Fused tubular,erect and elongated. Apex: Dentate. Length: About 5 mm. Diameter: About 1 mm. Number per inflorescence: About 225 massed at the center of the receptacle in numerous whorls. Color, when opening: Apex: Close to 145A. Mid-section: Close to 12B. Base:Close to 145D. Color, fully opened: Apex and mid-section: Close to 9B. Base: Close to 145D. Involucral bracts.--Length: About 4 mm to 8 mm. Width: About 1 mm to 4 mm. Shape: Oval-shaped. Apex: Rounded. Base: Rounded to truncate. Margin: Entire. Texture, upper and lower surfaces: Smooth, glabrous. Number per inflorescence: About 30 arranged in about two to three whorls. Color, upper and lower surfaces: Close to 137A. Peduncles.--Length, terminal peduncle: About 3 cm. Length, fourth peduncle:About 5 cm. Length, seventh peduncle: About 6 cm. Diameter: About 1.5 mm to 2 mm. Strength: Moderately strong. Angle: About 30.degree. from the flowering stem axis. Texture: Pubescent. Color: Close to 146A to 146B. Reproductiveorgans.--Androecium: Not observed. Gynoecium: Present on both ray and disc florets. Style length: About 4 mm. Style color: Greenish yellow. Stigma color: Close to 13B. Seed/fruit.--Seed and fruit production have not been observed. Disease/pestresistance: Resistance to pathogens and pests common to Chrysanthemums has not been observed on plants grown under commercial conditions.

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