ISHS Acta Horticulturae 598: International Symposium on Sustainable Use of Plant Biodiversity to Promote New Opportunities for Horticultural Production Development
THE USE FOR ORNAMENTAL PURPOSES OF AN ANCIENT CITRUS GENOTYPE |
| Author: | S.F. Del Bosco |
| Keywords: | Aurantiodeae germplasm, orange cultivar, plant characteristics |
| Abstract:
Interest in Citrus species suited for ornamental and landscape purposes is rapidly increasing. Yet, the development of a successful Citrus ornamental industry would be greatly enhanced if it were possible to diffuse genotypes showing peculiar and original features. In a effort to collect and maintain Citrus germplasm through the recovery of varieties neglected for fresh and juice industrial market, we have focused our attention on an old Citrus genotype exhibiting a number of valuable and attractive qualities for ornamental purposes. The accession here described exhibits, a combination of stable high yield, vigorous tree growth, dark green and attractive foliage, strong attachment and long persistency of fruits on the tree which are particularly handsome of original ribbed shape. Already represented in some Renaissance paintings for their fascinating fruit shape, probably deriving from a chimeric mutation, the accession has been, characterized following the Citrus standardized descriptors produced by The International Plant Genetic Resources Institute (IPGRI). Such a characterization was carried out paying special emphasis to those traits of ornamental interest. In order to ensure the production of virus-free plant material, protocols for Citrus virus and viroids control and elimination, through micro-grafting and somatic embryo-genesis from styles culture, have been successfully established. | |
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