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Begonia plant named `BBSWEET`
PP21338 Begonia plant named `BBSWEET`
Patent Drawings:Drawing: PP21338-3    
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(1 images)

Inventor: Dummen
Date Issued: September 28, 2010
Application: 12/386,662
Filed: April 20, 2009
Inventors: Dummen; Tobias Gunter (Rheinberg, DE)
Assignee: Begonia Breeders Association B.V. (Rijsenhout, NL)
Primary Examiner: Para; Annette H
Assistant Examiner:
Attorney Or Agent: Whealy; C. A.
U.S. Class: PLT/348
Field Of Search: PLT/348
International Class: A01H 5/00
U.S Patent Documents:
Foreign Patent Documents:
Other References:









Abstract: A new and distinct cultivar of Begonia plant named `BBSWEET`, characterized by its upright and mounded plant habit; freely branching habit; numerous fragrant double flowers that are dark pink in color; and good postproduction longevity.
Claim: It is claimed:

1. A new and distinct Begonia plant named `BBSWEET` as illustrated and described.
Description: Botanical designation:Begonia.times.hiemalis.

Cultivar denomination: `BBSWEET`.

BACKGROUND OF THE INVENTION

The present invention relates to a new and distinct cultivar of Begonia plant, botanically known as Begonia.times.hiemalis, commercially known as Elatior Begonia, and hereinafter referred to by the name `BBSWEET`.

The new Begonia plant is a product of a planned breeding program conducted by the Inventor in Rijsenhout, The Netherlands. The objective of the breeding program is to develop new freely branching Begonia cultivars with attractive flower colorand fragrance.

The new Begonia plant originated from a cross-pollination made by the Inventor in December, 2005 of two unnamed proprietary selections of Begonia.times.hiemalis, not patented. The new Begonia was discovered and selected by the Inventor as asingle flowering plant from within the progeny of the stated cross-pollination in a controlled greenhouse environment in Rijsenhout, The Netherlands in May, 2006.

Asexual reproduction of the new Begonia plant by terminal cuttings in a controlled greenhouse environment in Rijsenhout, the Netherlands since the autumn of 2006, has shown that the unique features of this new Begonia plant are stable andreproduced true to type in successive generations.

SUMMARY OF THE INVENTION

Plants of the new Begonia have not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature 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 `BBSWEET`. These characteristics in combination distinguish `BBSWEET` as a new and distinct cultivar of Begonia: 1. Upright and moundedplant habit. 2. Freely branching habit. 3. Numerous fragrant double flowers that are dark pink in color. 4. Good postproduction longevity.

Plants of the new Begonia differ primarily from plants of the parent selections primarily in fragrance as plants of the parent selections are not fragrant. In addition, plants of the male parent selection have single flowers.

Plants of the new Begonia can also be compared to plants of Begonia.times.hiemalis `BBBON`, disclosed in U.S. Plant Pat. No. 18,587. In side-by-side comparisons conducted in Rijsenhout, The Netherlands, plants of the new Begonia differed fromplants of `BBBON` in the following characteristics: 1. Plants of the new Begonia had fewer tepals per flower than plants of `BBBON`. 2. Plants of the new Begonia and `BBBON` differed in flower color as plants of `BBBON` had lighter pink-coloredflowers. 3. Plants of the new Begonia were fragrant whereas plants of `BBBON` were not fragrant.

BRIEF DESCRIPTION OF THE PHOTOGRAPH

The accompanying colored photograph illustrates the overall appearance of the new Begonia, showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photograph may differ slightly fromthe color values cited in the detailed botanical description which accurately describe the colors of the new Begonia. The photograph comprises a side perspective view of a typical flowering plant of `BBSWEET` grown in a container.

DETAILED BOTANICAL DESCRIPTION

Plants used for the aforementioned photograph and following observations and measurements were grown in Rijsenhout, The Netherlands in 13-cm containers and under commercial practice in a glass-covered greenhouse during the spring and summer. During the production of the plants, day and night temperatures ranged from 15.degree. C. to 20.degree. C. and light levels were about 18,000 lux. Plants used for the photograph and the description were 15 weeks old. In the following 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: Begonia.times.hiemalis `BBSWEET`. Commerical classification:Elatior Begonia. Parentage: Female, or seed, parent.--Unnamed proprietary selection of Begonia.times.hiemalis, not patented. Male, or pollen, parent.--Unnamed proprietary selection of Begonia.times.hiemalis, not patented. Propagation: Type.--Byterminal vegetative cuttings. Time to initiate roots.--About 15 days at temperatures of about 20.degree. C. Time to produce a rooted young plant.--About 14 to 18 days at temperatures of about 20.degree. C. Root description.--Medium in thickness,fibrous, white in color; plants of the new Begonia have not been observed to form tubers. Rooting habit.--Freely branching; moderately dense. Plant description: Plant form.--Compact, upright and mounded plant habit, inverted triangle; freely branchingwith good stem and stem base strength. Flowers are double and abundant. Moderately vigorous growth habit. Plant height.--About 20 cm to 25 cm. Plant width.--About 25 cm to 30 cm. Basal branch description.--Quantity: Freely basal branching with aboutfive to six basal branches developing per plant. Length: About 10 cm to 15 cm. Diameter: About 1 cm to 3 cm. Texture: Smooth, glabrous. Color: Close to 144B. Leaf description.--Arrangement: Simple, alternate. Length: About 8 cm to 10 cm. Width:About 5 cm to 6 cm. Shape: Deltoid to ovate. Apex: Acuminate. Base: Cordate. Margin: Serrate. Texture, upper and lower surfaces: Smooth, glabrous; velvety. Venation pattern: Palmate. Color: Developing and fully expanded leaves, upper surface:Close to 137A; venation, close to 141C. Developing and fully expanded leaves, lower surface: Close to 137B; venation, close to 141C. Petiole length: About 4 cm to 6 cm. Petiole diameter: About 4 mm. Petiole texture, upper and lower surfaces: Smooth,glabrous. Petiole color, upper and lower surfaces: Close to 138B. Flower description: Flowering habit.--Double flowers with numerous tepals arranged in axillary cymes; typically four to five open flowers per cyme; many cymes in flower simultaneously;flowers positioned upright and outwardly above the foliage. Fragrance.--Present; sweet, pleasant. Natural flowering season.--Plants will flower continuously year round in the greenhouse, however plants flower earlier and more abundantly during thesummer in The Netherlands. Postproduction longevity.--Good postproduction longevity, flowers last about four weeks on the plant; flowers persistent. Cyme height.--About 4 cm to 5 cm. Cyme diameter.--About 6 cm to 7 cm. Flowers.--Shape: Oval;rose-like. Diameter: About 4 cm to 6 cm. Depth (height): About 1 cm to 2 cm. Flower buds.--Shape: Elliptic. Length: About 1 cm to 2 cm. Diameter: About 1 cm to 2 cm. Tepals.--Arrangement: Rosette. Quantity per flower: Usually about six to eightper flower. Length: About 2 cm to 3 cm. Width: About 2 cm to 3 cm. Shape: Obovate. Apex: Rounded, obtuse. Base: Cordate. Margin: Entire; undulate. Texture, upper and lower surfaces: Smooth, glabrous; satiny. Color: When opening, upper and lowersurfaces: Close to 52A; color does not fade with development. Fully opened, upper and lower surfaces: Close to 52A. Flower bracts.--Quantity/arrangement: Two, opposite. Shape: Broadly ovate. Apex: Acute. Margin: Entire. Texture, upper and lowersurfaces: Smooth, glabrous. Color, upper surface: Close to 144D; at the margins, close to 52D. Color, lower surface: Close to 145B; at the margins, close to 52D. Peduncles.--Angle: Erect to about 30.degree. to 45.degree. from vertical. Length:About 4 cm to 5 cm. Diameter: About 3 mm to 4 mm. Texture: Smooth, glabrous. Color: Close to 144B. Pedicels.--Angle: About 30.degree. to 45.degree. from the peduncle. Length: About 2 cm to 3 cm. Diameter: About 2 mm to 3 mm. Texture: Smooth,glabrous. Color: Close to 146A. Reproductive organs.--Stamens: None observed. Pistils: None observed. Seed/fruit.--Seed and fruit production have not been observed. Disease/pest resistance: Resistance to pathogens and pests common to Begonia has notbeen observed. Temperature tolerance: Plants of the new Begonia have been observed to tolerate temperatures from about 10.degree. C. to about 35.degree. C.

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