ISHS Acta Horticulturae 227: International Symposium on Vegetative Propagation of Woody Species
TECHNIQUES TO ENHANCE ROOTING POTENTIAL BEFORE CUTTING COLLECTION |
| Authors: | B.H. Howard, R.S. Harrison-Murray, J. Vasek, O.P. Jones |
| Abstract:
Plants are assessed for their horticultural value in their adult phase, by which time many have lost the ability to root readily from cuttings, which is a characteristic of the juvenile condition. The inherent rooting potential of shoots can be raised by treatments applied to stockplants. These fall into two main classes; those that induce vigorous juvenile-like growth, often by influencing the origin of the shoot on the stockplant, and those where such responses are temporary or absent, including treatments which change the environment in which shoots grow. Examples of the first group include severe winter pruning, the production of stockplants by micropropagation and the induction of adventitious shoots. Examples of the second group include general or localised dark treatment applied during the early stages of shoot growth, and the removal of leaves from shoots before allowing a leafy shoot tip to develop for use as a cutting. | |
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