H: Wednesday, December 29, 2010

'Rothenburg' is a Triploid

Rhododendron 'Rothenburg', which is a von Martin hybrid documented as 'Diane' x R. williamsianum, has been determined to be a triploid using flow cytometry by

Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.

Summary of Ploidy Levels

Diploid 'Diane',
Diploid 'Mrs. Lindsay Smith',
Triploid 'Rothenburg'

Source: Van Veen Nursery

John and Sally Perkins
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