Plants – Rose – Climber
Plant Patent
1999-03-03
2002-04-23
Locker, Howard J. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012575
ABSTRACT:
SUMMARY OF THE INVENTION
The present invention constitutes a new and distinct variety of ground cover rose plant which originated from a controlled crossing conducted in spring 1990 between Bonica 82 and an unnamed seedling. The two parents were crossed and the resulting seeds were planted in a controlled environment. The new variety is named ‘POULbut’.
The new rose may be distinguished from its seed parent, Bonica 82, by the following combination of characteristics:
1. The seed parent has soft pink flowers which are 60 mm in diameter with 35 to 40 petals while ‘POULbut’ has light pink single flowers with 6-8 petals which are 35-40 mm in diameter.
2. The seed parent is bushy and somewhat compact, while ‘POULbut’ is a low growing ground cover rose with spreading canes.
The new variety may be distinguished from its pollen parent, an unnamed unpatented seedling created by the same inventors, by the following combination of characteristics:
1. The pollen parent has white, small, semi-double flowers in clusters, while ‘POULbut’ has light pink single flowers with 6-8 petals which are 35-40 mm in diameter.
2. One of the parents of the unnamed seedling is ‘POULcat’, a groundcover rose by the same inventors.
The objective of the hybridization of this rose variety for commercial greenhouse culture was to create a new and distinct variety with unique qualities, such as:
1. Abundant, light pink flowers;
2. A low growing ground cover rose with uniform growth and a spreading habit;
3. Glossy and disease resistant foliage which requires limited maintenance, making it ideal for use in landscapes; and
4. Good growth on its own roots as well as a traditionally budded plant.
This combination of qualities is not present in previously available commerical cultivars of this type and distinguish ‘POULbut’ 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 and conducted evaluations on the resulting seedlings in a controlled environment in Fredensborg, Denmark.
‘POULbut’ was selected by the inventors in the spring of 1991 as a single plant from the progeny of the aforementioned hybridization. Asexual reproduction of ‘POULbut’ by traditional budding was first done by L. Pernille and Mogens N. Olesen in their nursery in Fredensborg, Denmark in August, 1991. This initial and other subsequent propagations conducted in controlled environments have demonstrated that the characteristics of ‘POULbut’ are true to type and are transmitted from one generation to the next.
REFERENCES:
Copy of Proposal for a Variety Denomination dated Jan. 27, 1997, and Copy of EU 3218 granted Jul 20, 1998 and Application EU-97/0136, filed Jan. 27, 1997.*
Copy of PL 01155, granted Feb. 24, 2000.*
UPOV-ROM, 2000/06, Plant Variety Database, GTI Jouve Retrieval Software, citation for ‘POULbut’.*
UPOV-ROM, 2000/04, Plant Variety Database, GTI Jouve Retrieval Software, citation for ‘POULbut’.
Olesen L. Pernille
Olesen Mogens N.
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