Plants – Rose – Shrub
Plant Patent
2003-12-16
2004-10-12
Grunberg, Anne Marie (Department: 1661)
Plants
Rose
Shrub
Plant Patent
active
PP015230
ABSTRACT:
Botanical classification:
Rosa hybrida.
Variety denomination: ‘POULtw002’.
SUMMARY OF THE INVENTION
The present invention constitutes a new and distinct variety of garden rose plant which originated from a controlled crossing between a female parent plant named ‘POULsint’, non-patented, and a male parent plant, an unnamed seedling. The two parents were crossed during the summer of 1994 and the resulting seeds were planted in a controlled environment in Fredensborg, Denmark. The new variety is named ‘POULtw002’.
The new variety may be distinguished from its female parent, ‘POULsint’, by the following combination of characteristics:
1. ‘POULtw002’ has an average growth height of 100 to 150 cm. ‘POULsint’ is low growing, 40 to 60 cm in height.
2. ‘POULtw002’ exhibits flowers with a larger diameter than those of ‘POULsint’
3. ‘POULtw002’ develops flower buds in greater quantity per flowering stem that ‘POULsint’.
The new variety may be distinguished from its unnamed pollen parent by the following combination of characteristics:
1. The pollen parent has a white flower color. The same of ‘POULtw002’ is Red-Purple Group 57A to 57B.
2. Open flowers of the pollen parent are 80 mm. The same of ‘POULtw002’ are 65 m.
3. Flowers are borne in clusters of 3 to 6 flower buds per stem on the pollen parent plant. ‘POULtw002’ bears flower buds in cluster of 7 buds per flowering stem.
The objective of the hybridization of this rose variety was to create a new and distinct variety for garden use with unique qualities, such as:
1. Uniform and abundant deep pink flowers;
2. Vigorous, but compact growth when propagated both as a budded rose and on its own roots;
3. Disease resistance;
4. Suitability for growth in a container.
This combination of qualities is not present in previously available commercial cultivars of this type, known to the inventors, and distinguish ‘POULtw002’ from all other varieties of which we are aware.
As part of their rose development program, L. Pernille Olesen and Mogens N. Olesen germinated the seeds from the aforementioned hybridization during winter of 1994 and conducted evaluations on the resulting seedlings in a controlled environment in Fredensborg, Denmark.
‘POULtw002’ was selected in the spring 1995 by the inventors as a single plant from the progeny of the aforementioned hybridization.
Asexual reproduction of ‘POULtw002’ by traditional budding and rooted cuttings was first done by L. Pernille and Mogens N. Olesen in their nursery in Fredensborg, Denmark in July, 1995. This initial and other subsequent asexual propagations conducted in controlled environments have demonstrated that the characteristics of ‘POULtw002’ are true to type and are transmitted from one generation to the next.
Olesen L. Pernille
Olesen Mogens N.
Grunberg Anne Marie
Para Annette H
Poulsen Roser A/S
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