Plants – Rose – Climber
Plant Patent
1999-01-19
2001-02-13
Campell, Bruce R. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP011780
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct variety of Dahlia plant, botanically known as
Dahlia variabilis,
and hereinafter referred to by the cultivar name ‘Lisa Dark Pink’.
The new Dahlia is a naturally-occurring whole plant mutation of the
Dahlia variabilis
cultivar ‘Lisa’, not patented. The new Dahlia was discovered by the Inventor in September, 1996 in a controlled environment in Hillegom, The Netherlands, within a population of plants of ‘Lisa’. The selection of this plant was based on its unique ray floret color.
Asexual reproduction of the new Dahlia by terminal cuttings harvested in Hillegom, The Netherlands, has shown that the unique features of this new Dahlia are stable and reproduced true to type in successive generations.
BRIEF SUMMARY OF THE INVENTION
The new Dahlia has 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 variance in genotype.
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Lisa Dark Pink’. These characteristics in combination distinguish ‘Lisa Dark Pink’ as a new and distinct cultivar:
1. Large and numerous double inflorescences that are about 7.8 cm in diameter.
2. Dark pink ray florets.
3. Mostly upright, mounded and uniform growth habit.
4. Dark green leaves.
5. Strong peduncles that hold inflorescences above the foliage.
Compared to plants of the parent cultivar, ‘Lisa’, plants of the new Dahlia have dark pink ray florets whereas plants of the cultivar ‘Lisa’ have light pink ray florets. In addition, ray floret color of plants of the new Dahlia does not fade with development, whereas ray floret color of plants of the cultivar ‘Lisa’ fades significantly with development. Compared to plants of the cultivar ‘Lisa Burgundy’, disclosed in U.S. Plant patent application Ser. No. 09/233,133, in side-by-side comparisons conducted in De Lier, The Netherlands, plants of the new Dahlia are not as freely-flowering and differ in ray floret color. Compared to plants of the cultivar ‘Lisa Pearl’, disclosed in U.S. Plant patent application Ser. No. 09/233,135, in side-by-side comparisons conducted in De Lier, The Netherlands, plants of the new Dahlia are larger, have larger leaves, and differ in ray floret color.
REFERENCES:
patent: P.P. 11492 (2000-08-01), van Hee
Broertjes et al., Mutation Breeding ofDahlia variabilis,Euphytica, 16(2):171-176, 1967.
Boyer et al., American Dahlia Society 1976-1989 List of Dahlias, pp. 1-2, 43 and 125, 1989.
Das et al., New Dahlias Through Irradiation, Indian Horticulture, 23(1): 19 and 21, 1978.
Gottschalk et al., Induced Mutations in Plant Breeding, pp. 30-31 and 66-67, 1983.
GTITM UPOVROM Citation for ‘Lisa’ as per NL PBR DHL0016; Jan. 18, 1993.
GTITM UPOVROM Citation for ‘Lisa’ as per QZ PBR 952490; Feb. 22, 1996.
Bell Kent L.
Campell Bruce R.
Whealy C. A.
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