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Free Content Cryopreservation of Garlic Bulbil Primordia by the Droplet-vitrification Procedure

The droplet-vitrification protocol, a combination of droplet-freezing and solution-based vitrification was applied for cryopreserving garlic bulbil primordia. The highest survival and regeneration percentages of cryopreserved primordia (90.1-95.0 % and 82.7-85.0 %, respectively) were achieved after preculture for 2-4 days at 10°C on solid medium with 0.1-0.3 M sucrose, loading for 50 minutes in liquid medium with 2 M glycerol + 0.5 M sucrose, dehydration with PVS3 vitrification solution for 90-150 min, cooling primordia in 5 l droplets of PVS3 vitrification solution placed on aluminum foil strips by dipping these strips in liquid nitrogen, warming them by plunging the foil strips into pre-heated (40°C) 0.8 M sucrose solution for 30 s and further incubation in the same solution for 30 minutes. The optimized droplet-vitrification protocol was successfully applied to bulbil primordia of five garlic varieties originating from various countries and to immature bulbils of two vegetatively propagated Allium species, with regeneration percentages ranging between 77.4-95.4 %.


Document Type: Research Article

Publication date: May 1, 2006

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  • CryoLetters is a bimonthly international journal for low temperature sciences, including cryobiology, cryopreservation or vitrification of cells and tissues, chemical and physical aspects of freezing and drying, and studies involving ecology of cold environments, and cold adaptation

    The journal publishes original research reports, authoritative reviews, technical developments and commissioned book reviews of studies of the effects produced by low temperatures on a wide variety of scientific and technical processes, or those involving low temperature techniques in the investigation of physical, chemical, biological and ecological problems.

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