Plants – Herbaceous ornamnental flowering plant – Carnation or pink
Plant Patent
2002-02-07
2003-12-30
Grunberg, Anne Marie (Department: 1661)
Plants
Herbaceous ornamnental flowering plant
Carnation or pink
Plant Patent
active
PP014437
ABSTRACT:
Genus: Dianthus.
Species: ×hybrida.
Denomination: Red Dwarf.
CROSS-REFERENCES TO RELATED APPLICATIONS
The application for this new invention is co-pending with one other application entitled ‘Neon Star’. ‘Neon Star’ is derived from the same breeding program having the same inventor and filing date as the present application entitled Dianthus ‘Red Dwarf’.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct dwarf variety of Carnation that is grown for its vigor, red flower with a darker red center, long flowering season and compact tight cushion habit. The new cultivar is known botanically as Dianthus×hybrida and will be referred to hereinafter by the cultivar name ‘Red Dwarf’.
‘Red Dwarf’ is the product of a breeding program conducted by the inventor in a cultivated area of Houndspool, Dawlish, Devon, United Kingdom. The primary focus of the breeding program was to produce dwarf varieties exhibiting a wide range of flower colors, and perfume scented flowers with a long flowering season. The breeding program was established in 1969 in a cultivated area of Houndspool, Dawlish, Devon, United Kingdom. ‘Red Dwarf’ is one seedling that resulted from a large number of seedlings produced by Dianthus ‘Brehemen’ (unpatented).
‘Red Dwarf’ is a hybrid produced by induced hybridization and was selected by the inventor in 1996 for its vigor, red flower with darker red center, compact tight cushion habit and long flowering season. The male parent is an unidentified Dianthus and the female parent is the crimson flowered Dianthus ‘Brehemen’ (unpatented). ‘Red Dwarf’ is distinguishable from the female parent plant by its flower color, longer flowering season and more compact habit. The flower color of ‘Brehemen’ is N34A, whereas the flower of ‘Red Dwarf’ is red with a darker red center. The diameter of the ‘Brehemen’ flower is 1.5 cm. in diameter, whereas the flower of ‘Red Dwarf’ is 35 mm. in diameter. The length of flowering for ‘Brehemen’ is 5 weeks, whereas the length of flowering time for ‘Red Dwarf’ is 26 weeks. Individual flowers last approximately 10 days on ‘Red Dwarf’.
In comparison, the plants most similar to ‘Red Dwarf’ are Dianthus ‘Gipsy Star’ (unpatented) and Dianthus ‘Fusilier’ (unpatented). ‘Red Dwarf’ differs from the comparison varieties in greater vigor, larger flowers and longer flowering season. ‘Red Dwarf’ is similar to ‘Gypsy Star’ in vigour but is 250% of the vigour of ‘Fusilier’. The flower diameter of ‘Gypsy Star’ is 1.5 cm. and the individual flower duration 20 weeks. The flower diameter of ‘Fusilier’ is 1.0 cm. and the individual flower duration is 15 weeks.
Asexual reproduction of the new cultivar was first accomplished in 1996 by the inventor using softwood shoot cuttings in a cultivated area of Houndspool, Dawlish, Devon, United Kingdom. Since that time the characteristics of the new cultivar have been determined stable and are reproduced true to type in successive generations.
SUMMARY OF THE INVENTION
The following traits have been repeatedly observed and represent the characteristics of the new cultivar ‘Red Dwarf’. These traits in combination distinguish this cultivar from all other commercial varieties known to the inventor. ‘Red Dwarf’ has not been tested under all possible conditions and phenotypic differences may be observed with variations in environmental, climatic and cultural conditions.
1. Dianthus ‘Red Dwarf’ exhibits a compact, tight cushion growth habit.
2. Dianthus ‘Red Dwarf’ exhibits scented red flowers with darker red centers.
3. Dianthus ‘Red Dwarf’ is vigorous.
4. Dianthus ‘Red Dwarf’ reaches 10-12 cm. in height including flower stalks and 20-25 cm. in width at maturity.
5. Dianthus ‘Red Dwarf’ exhibits a long flowering season of 26 weeks.
6. Dianthus ‘Red Dwarf’ is hardy to minus 15° Centigrade.
REFERENCES:
The New Royal Horticultural Society Dictionary of Gardening, vol. 2, Editor-in-Chief Anthony Huxley, The Stockton Press, New York, 1992, pp 50-56.
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