Plants – Rose – Shrub
Plant Patent
2002-04-11
2003-07-22
Campell, Bruce R. (Department: 1661)
Plants
Rose
Shrub
Plant Patent
active
PP014016
ABSTRACT:
Botanical classification: Rosa.
Variety denomination: ‘Bokrarug’.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of Rose plant botanically known as Rosa and hereinafter referred to by the cultivar name ‘Bokrarug’.
The new cultivar is the product of a breeding program conducted by the inventor in a cultivated area of Boskoop, The Netherlands. The objective of the breeding program was to develop a new single-flowered rose with white flowers and a globose habit. ‘Bokrarug’ is a hybrid that originated from the induced hybridization of the female or seed parent Rosa 94207-15 (not patented) and the male or pollen parent Rosa 93511-02 (not patented). The cultivar ‘Bokrarug’ was selected by the inventor in 1997 as a plant within the progeny of the stated cross in a controlled environment of Boskoop, The Netherlands.
The closest comparison plant is Rosa ‘Ivtagolf’ (U.S. Plant Pat. No. 11,371) ‘Bokrarug’ is distinguishable from ‘Ivtagolf’ by larger darker leaves, larger flowers, and cream-yellow buds. The new cultivar ‘Bokrarug’ is distinguishable from the female parent Rosa 94207-15 by pure-white flowers and by its decreased susceptibility to black spot. The new cultivar ‘Bokrarug’ is distinguishable from the male parent Rosa 93511-02 by larger leaves and larger flowers. The female parent and the male parent are no longer in existence. Both were destroyed after their use for hybridization.
Asexual reproduction by cuttings of the new cultivar ‘Bokrarug’ were taken in 1999 in Boskoop, The Netherlands by the inventor. Since that time, under careful observation, the unique characteristics of the new Rose cultivar have been uniform, stable and reproduced true to type in successive generations of asexual reproduction.
SUMMARY OF THE INVENTION
The following represent the distinguishing characteristics of the new Rosa cultivar ‘Bokrarug’. These traits in combination distinguish ‘Bokrarug’ as a new and distinct cultivar apart from all other existing varieties of Rosa known to the inventor. ‘Bokrarug’ has not been tested under all possible conditions and phenotypic differences may be observed with variations in environmental, climatic, and cultural conditions, however, without any variance in genotype.
1. Rosa ‘Bokrarug’ exhibits dark green glossy leaves.
2. Rosa ‘Bokrarug’ exhibits a compact, flattened globose habit.
3. Rosa ‘Bokrarug’ is hardy to USDA Zone 6.
4. Rosa ‘Bokrarug’ exhibits pure-white flowers.
5. Rosa ‘Bokrarug’ exhibits cream-yellow flower buds.
REFERENCES:
UPOV ROM GTITM Computer Database, GTI JOUVE Retrieval Software 2002/02, citation(s) for ‘Bokrarug’.
Boot and Company
Bourgeois Mark P.
Haas W C
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