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Proceedings of the International Plant Propagator's Society

Vol. 48

Horticultural Research at The Holden Arboretum

Robert D. Marquard and Charlotte R. Chan

pp: 472

Formal research at the Holden Arboretum began in 1991 with the hiring of staff with scientific training. Currently, the centerpiece of research is breeding woody ornamental plants to support our mission to develop improved plants for the landscape through breeding or selection and to make significant contributions to the plant sciences. Complementary research includes: studies of plant reproductive biology, measuring genetic diversity, estimating the heritability of important traits, utilization of biochemical markers, and developing alternative propagation methods. The current focus includes work within several genera (Aesculus, Cercis, Hamamelis, Magnolia, and Rhododendron).

Acquisition of germplasm has been an organizational and early research objective. In 1993, we began assembling a collection of Hamamelis cultivars and seed was collected from throughout the range of our native H. virginiana. By formal agreement, the Holden Arboretum acquired the property and germplasm

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