Plants – Rose – Climber
Plant Patent
1999-03-17
2001-06-05
Locker, Howard J. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP011906
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 Fall Delano.
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, and moderate plant post-production longevity.
The new Chrysanthemum originated by exposing unrooted cuttings of the Chrysanthemum cultivar Spring Delano, disclosed in U.S. Plant Pat. No. 9,843, to gamma radiation in September, 1993, 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, 1994. The selection of this plant was based on its desirable inflorescence form and floret colors and good post-production longevity.
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 in successive generations.
SUMMARY OF THE INVENTION
The cultivar Fall Delano 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 ‘Fall Delano’. These characteristics in combination distinguish ‘Fall Delano’ as an new and distinct Chrysanthemum:
1. Upright and uniformly mounded plant habit.
2. Freely branching habit.
3. Strong plant growth.
4. Large and very dark green leaves.
5. Uniform flowering.
6. Large decorative disbud-type inflorescences that are about 11.9 cm in diameter.
7. Attractive dulled red ray florets; when grown under cooler, low light conditions, ray floret color can range from a yellow ray base with reddish bronze apices to yellow occasionally with bronze flecking.
8. Good postproduction longevity with inflorescences and leaves maintaining good substance and color for about three weeks in an interior environment.
Plants of the new Chrysanthemum can be compared to plants of the parent cultivar Spring Delano. However, in side-by-side comparisons conducted by the Inventor under commercial practice in Salinas, Calif., plants of the new Chrysanthemum differed from plants of the cultivar Spring Delano in the following characteristics:
1. Plants of the new Chrysanthemum flowers about 2 to 5 days later than plants of the cultivar Spring Delano.
2. Plants of the new Chrysanthemum do not flower as uniformly as plants of the cultivar Spring Delano.
3. Plants of the new Chrysanthemum have fewer ray florets per inflorescence than plants of the cultivar Spring Delano.
4. Ray floret color of plants of the new Chrysanthemum is dull red whereas ray floret color of plants of Spring Delano is reddish purple.
The new Chrysanthemum can be compared to the Chrysanthemum cultivar Red Delano, disclosed in U.S. Plant Pat. No. 8,345 a radiation induced mutation of the cultivar Delano, disclosed in U.S. Plant Pat. No. 6,950. However in side-by side comparsions in Salinas, Calif., and Leamington, Ontario, Canada, under commerical practice, plants of the new Chrysanthemum differed from plants of the cultivar Red Delano in the following characteristics:
1. Plants of the new Chrysanthemum flowers about 2 to 5 days later than plants of the cultivar Red Delano.
2. Plants of the new Chrysanthemum do not flower as uniformly as plants of the cultivar Red Delano.
3. Plants of the new Chrysanthemum have fewer ray florets per inflorescence than plants of the cultivar Red Delano.
4. When grown under warm, high light conditions, ray floret color of new Chrysanthemum is dulled red whereas ray floret color of the cultivar Red Delano is darker and richer red.
5. When grown under cool, low light conditions, ray floret color of new Chrysanthemum will be bronze to yellow whereas dark red ray floret color of the cultivar Red Delano is maintained.
REFERENCES:
patent: P.P. 8345 (1993-08-01), VandenBerg
patent: P.P. 9843 (1997-04-01), Van Koeveringe
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 uM2”, 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.*
“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.*
Gosling, ed., 1979, “The Chrysanthemum Manual—6thedition”, The National Chrysanthemum Society, Essex Telegraph Press, Ltd., London, pp. 329-336.*
Searle, et al., 1968, “Chrysanthemums the Year Round”, Blanford Press, London, pp. 27-29, 320-327.
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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