943 INFLUENCES OF NODAL EXPLANT POSITIONS AND MEDIA OVERLAY ON MICRO PROPAGATION OF SHEPERDIA ROTUNDIFOLIA

in HortScience

Limited numbers of broad-leaved evergreen species grow well in the cold, dry plains of Colorado. The roundleaf buffaloberry, Sheperdia rotundifolia Parry, is a broad-leaved evergreen species that's adaptable to xeriphytic conditions of the Western states. Since little propagation information is available for this species, we studied procedures for clonal propagation with emphasis on tissue culture procedures. In this study, we evaluated the use of liquid media overlays on rapid propagation and the influence of node position on growth. A comparison of media overlay, transfer to fresh media and a control of no transfer (remained in same media) showed limited differences among treatments. Comparison of terminal, middle and basal node sections showed considerable differences. Sections from the middle produced more branches than the terminal and basal sections, though the branches were shorter than the terminal sections.

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