Plants – Rose – Climber
Plant Patent
1999-08-26
2001-08-14
Locker, Howard J. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012058
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Chrysanthemum plant, botanically known as
Dendranthema grandiflora
and hereinafter referred to by the cultivar name Honey Yogilroy.
The new Chrysanthemum is a product of a mutation induction breeding program conducted by the Inventor in Fort Myers, Fla., and Salinas, Calif. The objective of the program is to create new Chrysanthemum cultivars with desirable inflorescence form and floret colors, good substance, and excellent post-production longevity.
The new Chrysanthemum originated by exposing unrooted cuttings of the Chrysanthemum cultivar Gilroy, disclosed in U.S. Plant Pat. No. 10,252 to gamma-ray radiation at a level of 2,000 rads in September, 1995, in Fort Myers, Fla. Following the radiation treatment, the cuttings were rooted and terminal apices were removed (pinched) three times to promote lateral branch development. After lateral branches from the third pinch reached sufficient size, terminal cuttings were harvested, planted and flowered in a controlled environment in Salinas, Calif. The new Chrysanthemum was discovered and selected by the Inventor as a single flowering plant within this population in April, 1996. The selection of this plant was based on its desirable inflorescence form and ray floret color.
Asexual reproduction of the new Chrysanthemum by terminal cuttings harvested in a controlled environment in Salinas, Calif., has shown that the unique features of this new Chrysanthemum are stable and reproduced true to type in successive generations.
Asexual reproduction of the new Chrysanthemum by terminal cuttings harvested in a controlled environment in Fort Myers, Fla., has shown that the unique features of this new Chrysanthemum are stable and reproduced true to type in successive generations.
SUMMARY OF THE INVENTION
The cultivar Honey Yogilroy has not been observed under all possible environment 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 ‘Honey Yogilroy’. These characteristics in combination distinguish ‘Honey Yogilroy’ as a new and distinct Chrysanthemum:
1. Upright, outwardly spreading and uniformly mounded plant habit.
2. Compact growth habit.
3. Strong, dark green foliage.
4. Uniform flowering.
5. Early flowering, eight-week response time.
6. Large decorative-type inflorescences that are about 10.1 cm in diameter.
7. Light honey bronze-colored ray florets that may be more golden yellow under high day temperatures, that is, at temperatures above 27° C.
8. Good postproduction longevity with inflorescences and leaves maintaining good substance and color for about three weeks in an interior environment.
Compared to plants of the parent cultivar, Gilroy, plants of the new Chrysanthemum have lighter colored ray florets. Additionally, inflorescences of the new Chrysanthemum are more reflexed than inflorescences of the parent cultivar, Gilroy.
REFERENCES:
Datta, 1994, “Sensitivity of Mutant Genotype of Chrysanthemum to Gamma Rays”, J. Nuclear Agric. Biol., 23(4):251-254.*
“Mutation Studies on Chrysanthemum”, NBRI Newsletter, 1989, 16(1):2-3.*
Datta, 1991, “Evaluation of Recurrent Irradiation on Vegetatively Propagated Ornamentals: Chrysanthemum”, J. Nuclear Agric. Biol., 20(2):81-86.*
Banerji, et al., 1990, “Induction of Somatic Mutation in Chrysanthemum Cultivar ‘Anupam’”, J. Nuclear Agric. Biol., 19:252-256.*
Datta, 1985, “Gamma Ray Induced Mutant of a Mutant of Chrysanthemum”, J. Nuclear Agric. Biol., vol. 14: 131-133.*
Gosling, ed., 1979, “The Chrysanthemum Manual—6th Edition”, The National Chrysanthemum Society, Essex Telegraph Press, Ltd., London, pp. 329-336.*
Broertjes, et al., 1978, “Application of Mutation Breeding Methods in the Improvement of Vegetatively Propagated Crops”, Elsevier Sci Pub. Co., New York, pp. 162-175.*
Gupta, et al., 1978, Mutation Breeding of Chrysanthemum. II. Detection of Gamma Ray Induced Mutations in vM2, J. Nuclear Agric. Biol. 7(2): 50-54.*
Glazurina, et al., 1977, “Use of the Method of Artificial Mutagenesis in the Breeding of Flower Crops”, Cytology and Genetics, vol. 11(3):42-45.*
Das, et al., 1977, “Improvement of Some Vegetatively Propagated Ornamentals by Gamma Radiation”, Indian J. Horticulture, 34(2): 169-174.*
Dowrick, et al., 1966, “The Induction of Mutations in Chrysanthemum Using X- and Gamma Radiation”, Euphytica, 15:204-210.*
Broertjes, 1966, Mutation Breeding of Chrysanthemum, Euphytica, 15:156-162.
Locker Howard J.
Whealy C. A.
Yoder Brother's Inc.
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