Vol. 30

Title:
THE EFFECT OF GIBBERELLIC ACID AND BENZYLADENINE IN INDUCING BUD BREAK AND OVERWINTERING OF ROOTED SOFTWOOD CUTTINGS

Authors:
James F. McConnell and Dale E. Herman

pp: 398-404

Abstract:
Gibberellic acid (GA₃) and a cytokinin, N-6-benzyladenine (BA) were applied to softwood cuttings of Salix pentandra L (laurel willow) and Viburnum lantana L (wayfaring tree) in an attempt to promote shoot growth and subsequently increase overwinter survival of the cuttings through a buildup of photosynthetic carbohydrate reserves Gibberellic acid fewer but significantly longer shoots on laurel willow while reducing overwinter survival Wayfaring tree reacted to GA₃ treatment by an increase in the number of bud breaks, no increase in shoot length and reduced overwintering ability. Benzyladenine stimulated bud initiation on laurel willow, reduced average shoot length, and increased overwinter survival. Benzyladenine had little measurable effect on wayfaring tree other than slightly increasing overwinter survival.

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