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Free keywords:
Dutch elm disease; elm; regeneration; Ri-plasmid; tree;
transformation; Ulmus
Agrobacterium-rhizogenes; plants; propagation; tumefaciens;
expression; efficiency; promoters; disease; tree; rola
Abstract:
Infection of Ulmus procera (English elm) clone SR4 internodal stem explants with Agrobacterium tumefaciens C58 c1 pRiA4b resulted in callus development and extensive hairy root production. Shoots which regenerated from hairy roots, following an extended