ISHS Acta Horticulturae 715: VIII International Symposium on Vaccinium Culture
A NEW PERSPECTIVE ON VEGETATIVE PROPAGATION BY MOTHER MICROPLANT CULTURE IN VACCINIUM CORYMBOSUM |
| Authors: | G. Galopin, M. Bilotte |
| Keywords: | woody plant, mother plants, juvenility |
| Abstract:
The vegetative propagation of Vaccinium corymbosum ‘Brigitta’ and ‘Duke’ is carried out starting from in vivo mother microplants grown in a greenhouse. Such a method, tested on Hydrangea macrophylla, is based on the control of the degree of juvenility in woody perennials plants. It ensures life expectancy in mother plants and makes it possible to achieve propagation objectives through the production, homogeneity and rooting capacity of cuttings. After 300 days, cultivar ‘Brigitta’ produced 244 cuttings per mother microplant. Growth and rooting tests reveal a production of new roots two weeks after cutting, and the development of spontaneous and proximal branching amounting to 3.24 on average on each seedling. Vigour, rhizogenesis and heteroblasty are strong markers of juvenility in Vaccinium corymborum. Their expression helps to improve the performances of vegetative propagation from cuttings. | |
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