Plants – Rose – Climber
Plant Patent
2000-01-06
2001-11-20
Locker, Howard J. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012214
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 Zesty Yojean.
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 inflorescences with desirable inflorescence forms, attractive floret colors and good garden performance.
The new Chrysanthemum originated by exposing unrooted cuttings of the Chrysanthemum cultivar Jean, disclosed in U.S. Plant Pat. No. 10,901, to gamma-ray radiation in Feb., 1996, 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 July, 1996. The selection of this plant was based on its desirable inflorescence form, attractive ray floret color and excellent garden performance.
Asexual reproduction of the new cultivar by terminal cuttings taken 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.
SUMMARY OF THE INVENTION
The cutlivar Zesty Yojean 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 ‘Zesty Yojean’. These characteristics in combination distinguish ‘Zesty Yojean’ as a new and distinct cultivar:
1. Uniformly mounded plant habit.
2. Freely branching, dense, full plants.
3. Uniform and early flowering.
4. Decorative-type inflorescences that are about 4.5 cm in diameter.
5. Attractive coral peach-colored ray florets.
6. Numerous inflorescences per plant.
7. Excellent garden performance.
Compared to plants of the parent cultivar, Jean, plants of the new Chrysanthemum flower a few days later under artificially-manipulated photoperiodic conditions and differ in ray floret color as plants of ‘Jean’ have light pink-colored ray florets.
REFERENCES:
Datta, 1994, “Sensitivity of mutant genotypes 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 ornamental 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—6thedition”, 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 mutants in vM2”, J. Nuclear Agric. Biol. 7(2):50-54.*
Glazurina, et al., 1977, “Use 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 chrysanthemums”, Euphytica, 15:156-162.
Locker Howard J.
Whealy C. A.
Yoder Brother's Inc.
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