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An ADR rose is a winner in the German ADR rose trial (''Allgemeine Deutsche Rosenneuheitenprüfung''). No chemical pesticides have been allowed since 1997 and breeders often describe the trial as among the most challenging in the world.Pellett 2010, p. 167 The trial is set up by a working group that includes the Bund deutscher Baumschulen (German nurseries association), rose breeders, and eleven independent trial stations in Germany. The trial results are analyzed by the Bundessortenamt (Federal Office of Plant Varieties).
ADR - Performance Testing of New Rose Varieties in Germany
{{DEFAULTSORT:Adr Rose Lists of cultivars Plant awards
An ADR rose is a winner in the German ADR rose trial (''Allgemeine Deutsche Rosenneuheitenprüfung''). No chemical pesticides have been allowed since 1997 and breeders often describe the trial as among the most challenging in the world.Pellett 2010, p. 167 The trial is set up by a working group that includes the Bund deutscher Baumschulen (German nurseries association), rose breeders, and eleven independent trial stations in Germany. The trial results are analyzed by the Bundessortenamt (Federal Office of Plant Varieties).
Roses
A rose is either a woody perennial flowering plant of the genus ''Rosa'' (), in the family Rosaceae (), or the flower it bears. There are over three hundred species and tens of thousands of cultivars. They form a group of plants that can be e ...
are tested over three years and criteria analyzed include disease resistance, hardiness, attractiveness, and habit. About 50 cultivar
A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, ...
s are judged annually and more than 2000 cultivars have been tested since the award's creation in the 1950s. Roses that no longer fulfill quality standards have their certificate removed. As of November 2013, 161 cultivars are recognized.
List of ADR roses
List of former ADR roses
See also
*List of Award of Garden Merit roses
The following is a selected list of rose varieties and cultivars which currently (2017) hold the Royal Horticultural Society's Award of Garden Merit.
List of roses
This sortable list allows users to view roses alphabetically by breeder, colour, et ...
*Rose Hall of Fame
The Rose Hall of Fame contains roses considered world favourites by a vote of members of the World Federation of Rose Societies. Inductees are announced every three years at World Rose Conventions. Additionally, popular historical roses and roses o ...
Footnotes
References
* * * *External links
ADR - Performance Testing of New Rose Varieties in Germany
{{DEFAULTSORT:Adr Rose Lists of cultivars Plant awards