Plants – Rose – Climber
Plant Patent
1999-01-04
2001-06-05
Locker, Howard J. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP011912
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 Golden Spotlight.
The new cultivar is a product of a mutation induction breeding program conducted by the inventor in Fort Myers, Fla., and Salinas, Calif. The objective of the breeding program is to create new garden-type Chrysanthemum cultivars having with desirable inflorescence form and color and good garden performance.
The new cultivar originated by exposing unrooted cuttings of the Chrysanthemum cultivar Empire Spotlight (disclosed in U.S. Plant Pat. No. 9,933) to X-ray radiation at a level of 2,000 rads in November, 1994. 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 cultivar Golden Spotlight was discoveed and selected by the inventor as a single flowering plant within this population in June, 1995. The selection of this plant was based on its desirable ray floret color.
Asexual reproduction of the new cultivar by terminal cuuttings taken in a controlled environment in Salinas, Calif., has shown that the unique features of this new Chrysanthemum are stable and reproduced true as type in successive generations.
SUMMARY OF THE INVENTION
The cultivar Golden Spotlight 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 ‘Golden Spotlight’. These characteristics in combination distinguish ‘Golden Spotlight’ as a new and distinct cultivar:
1. Uniformly mounded plant habit.
2. Decorative-type inflorescences that are about 5.8 cm in diameter.
3. Attractive bright yellow ray florets.
4. Reddish brown inflorescence center.
5. Numerous inflorescences per plant.
Plants of the new Chrysanthemum can be compared to plants of the parent cultivar Empire Spotlight. However, in side-by-side comparisons conducted by the Inventor under commerical practice, plants of the new Chrysanthemum differed from plants of the cultivar Empire Spotlight in the following characteristics:
1. Plants of the new Chrysanthemum are more compact than plants of the cultivar Empire Spotlight.
2. Plants of the new Chrysanthemum flower later plants of the cultivar Empire Spotlight.
3. Ray floret color of plants of the new Chrysanthemum is initially reddish brown becoming yellow whereas ray floret color of plants of the cultivar Empire Spotlight is pink.
4. Apical ray floret color of plants of the new Chrysanthemum becomes purple earlier than apical ray floret color of plants of Empire Spotlight.
REFERENCES:
patent: P.P. 9933 (1997-06-01), Fuess
patent: 4616099 (1986-10-01), Sparkes
Broertjes, et al., 1980, “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.*
Chan, 1966, “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.
Locker Howard J.
Whealy C. A.
Yoder Brother's Inc.
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