
pmid: 24997836
handle: 20.500.14243/254384 , 20.500.14243/95744
Quince (Cydonia oblonga Mill.) has great potential for utilisation in pharmaceutical and food industries.The study was to develop an efficient cryopreservation approach for quince.Factors on the survival and regrowth such as cold acclimation, explant type and recovery media composition were assessed. The effectiveness of the resultant protocols for a number of quince cultivars was determined.Quince shoot tips and nodal sections are successfully cryopreserved. Sustained regrowth of quince Angers A was observed after encapsulation-osmoprotection/dehydration, encapsulation-dehydration and PVS2 vitrification. The highest regrowth rate (80%) was obtained from explants excised from cold hardened shoots and cryopreserved using encapsulation-osmoprotection/dehydration and vitrification protocols. The optimised vitrification protocol in combination with shoot cold hardening and a MS recovery medium without activated charcoal and auxin resulted in satisfactory regrowth of shoots from six quince cultivars. The morphology of acclimatised plants derived from cryopreserved shoots was comparable with non-cryopreserved plants.
Cryopreservation, Nodal sections, Genotype, Quince, Acclimatization, shoot tips, Cold hardening, Recovery medium, ., nodal sections, Vitrification, Cold Temperature, cold hardening, Cryoprotective Agents, Osmoregulation, quince, Shoot tips, Rosaceae, recovery medium, Plant Shoots
Cryopreservation, Nodal sections, Genotype, Quince, Acclimatization, shoot tips, Cold hardening, Recovery medium, ., nodal sections, Vitrification, Cold Temperature, cold hardening, Cryoprotective Agents, Osmoregulation, quince, Shoot tips, Rosaceae, recovery medium, Plant Shoots
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