Plants – Rose – Climber
Plant Patent
1999-08-26
2001-08-14
Locker, Howard J. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012059
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Chrysanthemum plant, botanically known as
Dendranthema grandiflora
and referred to by the cultivar name Yellow Spokane.
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 inflorescences form and floret colors, good substance, and good postproduction longevity.
The new Chrysanthemum originated by exposing uprooted cuttings of the Chrysanthemum cultivar Spokane, disclosed in U.S. Plant Pat. No. 10,604, to X-ray radiation at a level of 2,000 rads on Aug. 3, 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 March, 1996. The selection of this plant was based on its desirable inflorescence form and floret colors and good postproduction longevity.
Asexual reproduction of the new Chrysanthemum by terminal cuttings taken in a controlled environment in Alva, 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 Yellow Spokane 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 ‘Yellow Spokane’. These characteristics in combination distinguish ‘Yellow Spokane’ as a new and distinct cultivar:
1. Large quilled decorative-type inflorescences that are about 8.3 cm in diameter.
2. Attractive yellow ray florets.
3. Freely flowering.
4. Early flowering, response time is about 52 days.
5. Dark green foliage.
6. Strong stems.
7. Good postproduction longevity with inflorescences maintaining good substance and color for about three weeks in an interior environment.
REFERENCES:
patent: 4616099 (1986-10-01), Sparkes
Chan, 1996, “Chrysanthemum and rose mutations induced by x-rays”, Am. Soc. Hort. Sci. Proc., pp. 613-620.*
Broertjes, 1966, “Mutation breeding of chrysanthemums”, Euphytica, 15:156-162.*
Dowrick, et al., 1966, “The induction of mutations in Chrysanthemum using x-and gamma radiation”, Euphytica, 15:204-210.*
Broertjes, et al., 1980, A mutant of a mutant of a mutant of a . . . Irradiation of progressive radiation-induced mutants in a mutation breeding programme withChrysanthemum morifolium, Euphytica 29:525-530.*
Gosling, ed., 1979, The Chrysanthemum Manual—6thedition, The National Chrysanthemum Society, London, Essex Telegraph Press, Ltd., 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.*
Searle, et al., 1968, “Chrysanthemums the Year Round”, Blanford Press, London, pp. 27-29, 320-327.
Locker Howard J.
Whealy C. A.
Yoder Brother's Inc.
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