Rosa plant named ‘Chewpearl’

Details Rosa plant named ‘Chewpearl’ Rosa plant named ‘Chewpearl’

2002-01-07

2003-06-10

Campell, Bruce R. (Department: 1661)

Plants

Rose

Shrub

Plant Patent

active

PP013877

ABSTRACT:

Genus: Rosa.
Species: ×hybrida.
Denomination: ‘Chewpearl’.
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 ‘Chewpearl’.
The new cultivar is the product of a breeding program begun in 1982 by the inventor in a cultivated area of Shropshire, England. The breeding program is aimed at developing a new class of disease resistant patio and upright, columnar rose plants with a wide range of flower colors.
‘Chewpearl’ is a hybrid seedling that originated from the induced hybridization of the female or seed parent Rosa ‘LAURA FORD’ [CHEWARVEL] (U.S. Plant Pat. No. 9,012) and the male or pollen parent Rosa ‘Congratulations’ [KORLIFT] (unpatented). The new cultivar ‘Chewpearl’ was selected by the inventor in 1992 as a plant within the progeny of the stated cross in a controlled environment of Shropshire, England. ‘Chewpearl’ is an upright, columnar rose with small dense, dark green leaves and small fragrant satin-pink colored flowers, that contrast brightly against the dark foliage. The recipient of the Bronze Award in the 2001 Buenos Aires Rose Trials, ‘Chewpearl’ is consistently free flowering, forming a continuous column of color from late spring to early winter.
The closest comparison plant is Rosa ‘LAURA FORD’ which exhibits yellow flowers. ‘Chewpearl’ is distinguishable from ‘LAURA FORD’ by flower color and darker green foliage. ‘Chewpearl’ differs from the male parent ‘Congratulations’ in height and size of flowers. ‘Congratulations’ is taller in height and exhibits large flowers.
Asexual reproduction was accomplished by the inventor in Shropshire, England in 1992 using softwood cuttings. 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. In addition to softwood cuttings ‘Chewpearl’ can be asexually propagated using micro propagation and budding.
SUMMARY OF THE INVENTION
The following represent the distinguishing characteristics of the new Rosa cultivar ‘Chewpearl’. These traits in combination distinguish ‘Chewpearl’ as a new and distinct cultivar apart from all other existing varieties of Rosa known to the inventor. ‘Chewpearl’ 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 ‘Chewpearl’ exhibits small satin-pink flowers
2. Rosa ‘Chewpearl’ exhibits an upright, columnar growth habit.
3. Rosa ‘Chewpearl’ is free flowering, blooming from late spring until the first frost.
4. An individual flower exhibited on Rosa ‘Chewpearl’ lasts 6-10 days on the plant.
5. Rosa ‘Chewpearl’ exhibits small glossy, dark green leaves.
6. Rosa ‘Chewpearl’ roots well from cuttings, micro propagation and budding.
7. Rosa ‘Chewpearl’ is hardy to minus 12° Centigrade.


REFERENCES:
patent: PP9012 (1994-12-01), Warner

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