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Cryopreservation of quince (Cydonia oblonga mill.)

Cryopreservation of quince (Cydonia oblonga mill.)

Mehra, Aradhana (2014) Cryopreservation of quince (Cydonia oblonga mill.). CryoLetters, 35 (3). pp. 188-196.

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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 mediumwithout 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.

Item Type: Article
Uncontrolled Keywords: quince, shoot tips, nodal sections, cold hardening, recovery medium
Faculty / School / Research Centre / Research Group: Research and Enterprise Training Unit (RETI)
Last Modified: 13 Apr 2018 16:37

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