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Chrysanthemum plant named `Yolace`
PP16813 Chrysanthemum plant named `Yolace`
Patent Drawings:Drawing: PP16813-4    Drawing: PP16813-5    
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(2 images)

Inventor: Vandenberg
Date Issued: July 11, 2006
Application: 11/122,815
Filed: May 5, 2005
Inventors: Vandenberg; Cornelis P. (Fort Myers, FL)
Assignee: Yoder Brothers Inc. (Barberton, OH)
Primary Examiner: Bell; Kent
Assistant Examiner: Para; Annette H
Attorney Or Agent: Whealy; C. A.
U.S. Class: PLT/288
Field Of Search: PLT/288
International Class: A01H 5/00
U.S Patent Documents:
Foreign Patent Documents:
Other References:









Abstract: A new and distinct cultivar of Chrysanthemum plant named `Yolace`, characterized by its upright cut Chrysanthemum that is usually grown as a natural spray; dark green-colored foliage; freely flowering habit; uniform inflorescence form and development; decorative-type inflorescences; quill to spoon-shaped and white-colored ray florets; response time about eleven weeks; strong peduncles; and good postproduction longevity.
Claim: It is claimed:

1. A new and distinct cultivar of Chrysanthemum plant named `Yolace`, as illustrated and described.
Description: Botanicaldesignation: Chrysanthemum.times.morifolium.

Cultivar denomination: `Yolace`.

BACKGROUND OF THE INVENTION

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

The new Chrysanthemum is a product of a planned breeding program conducted by the Inventor in Salinas, Calif. and Alva, Fla. The objective of the breeding program is to create new cut Chrysanthemum cultivars having inflorescences with desirablecolors and good inflorescence form and substance.

The new Chrysanthemum originated from a cross-pollination made by the Inventor in December, 1999, in Salinas, Calif., of the Chrysanthemum.times.morifolium cultivar Watch, disclosed in U.S. Plant Pat. No. 13,463, as the female, or seed, parentwith a proprietary selection of Chrysanthemum.times.morifolium identified as code number E620, not patented, as the male, or pollen, parent.

The cultivar Yolace was discovered and selected by the Inventor as a flowering plant within the progeny of the stated cross-pollination in a controlled environment in Alva, Fla., in March, 2001. The selection of this plant was based on itsdesirable inflorescence color and good inflorescence form and substance.

Asexual reproduction of the new Chrysanthemum by terminal cuttings in a controlled environment in Alva, Fla. since May, 2001, has shown that the unique features of this new Chrysanthemum are stable and reproduced true to type in successivegenerations.

SUMMARY OF THE INVENTION

Plants of the cultivar Yolace 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, any variancein genotype.

The following traits have been repeatedly observed and are determined to be the unique characteristics of `Yolace`. These characteristics in combination distinguish `Yolace` as a new and distinct cultivar: 1. Upright cut Chrysanthemum that isusually grown as a natural spray. 2. Dark green-colored foliage. 3. Freely flowering habit, about nine to ten inflorescences per flowering stem. 4. Uniform inflorescence form and development. 5. Decorative-type inflorescences that are about 8.3cm in diameter. 6. Attractive quill or spoon-shaped and white-colored ray florets. 7. Response time about 11.5 weeks. 8. Strong peduncles. 9. Good postproduction longevity with inflorescences and foliage maintaining good substance and color forabout two weeks in an interior environment.

Compared to plants of the female parent, the cultivar Watch, plants of the new Chrysanthemum have smaller inflorescences. In addition, plants of the new Chrysanthemum and the cultivar Watch differ in ray floret coloration as plants of thecultivar Watch have yellow-colored ray florets.

Compared to plants of the male parent selection, plants of the new Chrysanthemum have smaller inflorescences. In addition, plants of the new Chrysanthemum typically produce few to no disc florets whereas plants of the male parent selectionproduce numerous disc florets.

Plants of the new Chrysanthemum can be compared to plants of the Chrysanthemum.times.morifolium cultivar Starburst, not patented. In side-by-side comparisons conducted in Alva, Fla., plants of the new Chrysanthemum differed from plants of thecultivar Starburst in the following characteristics: 1. Plants of the new Chrysanthemum had stronger flowering stems than plants of the cultivar Starburst. 2. Plants of the new Chrysanthemum flowered about one week earlier than plants of the cultivarStarburst. 3. Plants of the new Chrysanthemum were more freely flowering than plants of the cultivar Starburst.

BRIEF DESCRIPTION OF THE PHOTOGRAPHS

The accompanying colored photographs illustrate the overall appearance of the new Chrysanthemum, 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.

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

The photograph on the second sheet comprises a close-up view of typical inflorescences of `Yolace`.

DETAILED BOTANICAL DESCRIPTION

In the following description, color references are made to The Royal Horticultural Society Colour Chart, 1995 Edition, except where general terms of ordinary dictionary significance are used. The aforementioned photographs and followingobservations and measurements describe plants grown in Salinas, Calif., under conditions which approximate commercial practice in a polyethylene-covered greenhouse. Two-week old rooted cuttings were planted on Nov. 3, 2004 and received four weeks oflong day/short nights followed by short day/long nights until flowering. Plants were grown as single-stem natural spray cut Chrysanthemums. During the production time, the following environmental conditions were measured: day temperatures, 24 to27.degree. C.; night temperatures, 10 to 16.degree. C.; and light levels, 2,000 to 4,000 foot-candles. Measurements and numerical values represent averages for six to ten typical flowering stems and were taken about twelve weeks after the start ofshort days. Botanical classification: Chrysanthemum.times.morifolium cultivar Yolace. Commercial classification: Decorative-type cut Chrysanthemum. Parentage: Female or seed parent.--Chrysanthemum.times.morifolium cultivar Watch, disclosed in U.S. Plant Pat. No. 13,463. Male or pollen parent.--Proprietary selection of Chrysanthemum.times.morifolium identified as code number E620, not patented. Propagation: Type.--Terminal tip cuttings. Time to rooting.--About 10 to 14 days with soiltemperatures of 18 to 21.degree. C. Root description.--Fine, fibrous; white in color. Rooting habit.--Freely branching. Plant description: Appearance.--Herbaceous decorative-type cut flower that is typically grown as a natural spray. Flowering stemdescription.--Aspect: Erect. Length: About 107 cm. Spray diameter: About 17 cm. Stem diameter: About 7.5 mm. Internode length: About 3.7 cm. Texture: Pubescent; longitudinally ridged. Color: Close to 146A. Foliage description.--Arrangement:Alternate. Length: About 8.1 cm. Width: About 5.2 cm. Apex: Cuspidate. Base: Attenuate to truncate. Margin: Palmately lobed; sinuses mostly divergent. Texture: Upper and lower surfaces, pubescent and leathery; veins prominent on lower surface. Color: Developing and fully expanded foliage, upper surface: Close to 147A. Developing and fully expanded foliage, lower surface: Close to 147B. Venation, upper surface: Close to 147A. Venation, lower surface: Close to 147B to 146A. Petiole: Length:About 2.1 cm. Diameter: About 3.5 mm. Texture, upper and lower surfaces: Pubescent. Color, upper and lower surfaces: 146A to 146B. Flowering description: Appearance.--Decorative-type inflorescence form with elongated oblong-shaped ray florets. Inflorescences borne on terminals, arising from leaf axils. Ray florets develop acropetally on a capitulum. 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 least 13.5 hours of darkness). Plants exposed to three to four weeks of long day/short night conditions after planting followed by photoinductive shortday/long night conditions flower about 11.5 weeks later when grown as a natural spray. Inflorescences uniform in form and development. Postproduction longevity.--In an interior environment, inflorescences and foliage will maintain good color andsubstance for about two weeks in an interior environment. Quantity of inflorescences.--Freely flowering habit, about nine to ten inflorescences per stem develop. Fragrance.--None detected. Inflorescence size.--Diameter: About 7.3 cm. Depth (height):About 2.5 cm. Disc diameter: No disc florets observed. Receptacle diameter: About 6.5 mm. Receptacle height: About 7 mm. Inflorescence buds.--Height: About 6 mm. Diameter: About 7 mm. Shape: Oblate. Color: Close to 146A to 147A. Rayflorets.--Shape: Quilled or spoon-shaped. Length: About 3.6 cm. Width, apex: About 4.5 mm. Width, tube: About 3 mm. Corolla tube length: About 2.75 cm. Apex: Emarginate, retuse or acute. Base: Fused. Texture: Smooth, glabrous; satiny;longitudinally ridged. Aspect: Initially erect; when mature, mostly straight and about 45.degree. from vertical, eventually perpendicular to the peduncle. Number of ray florets per inflorescence: About 225 in numerous whorls. Color: When opening,upper and lower surfaces: Close to 144A to 144B. Fully opened, upper and lower surfaces: Close to 155D. Phyllaries.--Quantity per inflorescence: About 26 in about two or three whorls. Length: About 8 mm. Width: About 3.5 mm. Shape: Lanceolate. Apex: Acute. Base: Truncate. Margin: Entire. Texture, upper surface: Smooth, waxy. Texture, lower surface: Pubescent. Color, upper surface: Close to 146A. Color, lower surface: Close to 146A to 147A. Peduncles.--Length: First peduncle: About 13cm. Fourth peduncle: About 19.51 cm. Seventh peduncle: About 27.25 cm. Diameter: About 2 mm. Angle: About 35 to 40.degree. from vertical. Strength: Strong. Texture: Pubescent. Color: Close to 146A. Reproductive organs.--Gynoecium: Style length:About 5 mm. Style color: Close to 144B to 144C. Stigma color: Close to 9A. Seed/fruit.--Seed and fruit production has not been observed. Disease/pest resistance: Resistance to pathogens and pests common to Chrysanthemums has not been observed onplants grown under commercial conditions. Temperature tolerance: Plants of the new Chrysanthemum have demonstrated good tolerance to low temperatures of 7.degree. C. and high temperatures high temperatures of 38.degree. C.

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