In Vitro Clonal Propagation of Chestnut (Castanea spp.)
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3276 Empire Road SW, Carrollton, OH, 44615
Dr. Diane Doud Miller
AbstractProblems with all types of vegetative propagation of chestnut have hindered the development of the chestnut industry. In vitro propagation offers both a tool for gaining a better understanding of the problems and a propagation method itself. Despite considerable research, there has not been a great deal of success in propagating mature chestnut trees by in vitro methods. We hypothesize that the main reason for lack of success is a consequence of chestnut being a ring porous tree whose anatomy and physiology naturally "wall off" the cultured shoots from the medium, hindering transport of water and solutes to the growning points. We propose to test this hypothesis and circumvent the problem by applying medium to the leaves and by renewing the vascular system by causing secondary (cambial) growth.
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