Plants – Shrub or vine – Forsythia
Plant Patent
2001-01-18
2002-10-01
Campell, Bruce R. (Department: 1661)
Plants
Shrub or vine
Forsythia
Plant Patent
active
PP013050
ABSTRACT:
BOTANICAL/COMMERCIAL CLASSIFICATION
Forsythia×intermedia
/Forsythia.
VARIETAL DENOMINATION
cv. ‘Courdijau’.
SUMMARY OF THE INVENTION
A new and distinct cultivar of
Forsythia×intermedia
plant is provided that is a mutation derived from the ‘Spring Glory’ cultivar (non-patented in the United States).
When creating the new cultivar of the present invention plants of the ‘Spring Glory’ cultivar were irradiated with gamma rays, seeds were formed thereon following open pollination, and the seedlings produced upon the planting of such seeds were observed. The irradiation and the study of the resulting seedlings were carried out at the Institut National De La Recherche Agronomique located at Angers, France.
It was found that a single plant observed following such irradiation and the planting of seeds possessed the characteristics of the Forsythia cultivar of the present invention. The characteristics of such new cultivar can be summarized as follows:
(a) Exhibits a wide prostrate growth habit,
(b) Bears anthocyanin coloration at the apex of the sepals,
(c) Forms attractive dense wide-opening yellow flowers that commonly are borne singly per bud, and
(d) Is slow-growing and requires no special care.
The new cultivar of the present invention well meets the needs of the horticultural industry and is particularly well suited for growing as attractive ornamentation in the landscape. The yellow blossoms are densely formed in the springtime. Such dense flowering is manifest even though only one flower commonly is produced per flowering bud.
The new cultivar of the present invention can be readily distinguished from plants of the ‘Courtasol’ cultivar (U.S. Plant Pat. No. 9,104) and the ‘Courtacour’ (U.S. Plant Pat. Application Ser. No. 09/607,278, filed Jun. 30, 2000) that also were derived from the ‘Spring Glory’ cultivar (non-patented in the United States). More specifically, the new cultivar is very slow growing and assumes a more prostrate configuration than the ‘Courtacour’ variety. Also, the flowers commonly are borne singly and not in clusters as the ‘Courtasol’ cultivar.
The new cultivar grows well in containers, tubs and pots and can be grown on balconies and terraces. It can be grown to advantage wherever an attractive wide and low-growing ornamental plant is desired.
The new cultivar has been found to readily undergo asexual propagation by the use of softwood cuttings. Roots readily form on such cuttings during the summer. Such asexual propagation has been carried out at Angers, France, and elsewhere, and has confirmed that the new cultivar reproduces true to type.
The new cultivar has been named the ‘Courdijau’ cultivar.
REFERENCES:
UPOV-ROM GTITM Computer Database 2001/01, Feb. 6, 2001, GTI Jouve Retrieval Software, Citation for ‘Courdijau’.*
Protection Des Obtentions Vegetales, Bulletin officiel du Comité de la Protection des Obtentions Végétales, No. 11 (1998), Cover Page and pp. 474 and 478.
Protection Des Obtentions Vegetales, Bulletin officiel du Comité de la Protection des Obtentions Végétales, No. 2 (1999), Cover Page and p. 48.
Agri Obtentions S.A.
Burns Doane , Swecker, Mathis LLP
Campell Bruce R.
Para Annette H.
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