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Conservation of Allium germplasm collection by cryopreservation
 Zámečník, Jiří ; Grospietsch, Martin ; Kotková, Renata ; Faltus, Miloš
Allium is important crop in the Czech Republic. Allium sativum L. germplasm is maintained in the field collection and this fact increases risk of accidental lost of genotype. Conservation of Allium sativum L. germplasm by means cryopreservation decreases risks of genotype lost. Allium sativum L. samples are stored at ultralow temperature that stopped all biochemical processes and the samples are stored without any changes for many years. This methodology describes procedure of material preparation, explant preculture and dehydration by mixture of cryoprotectants, shoot tips cryopreservation and their recovery. Principles of safe genotype storage and recovery are defined. The Ministry of Agriculture of the Czech Republic is the user of this methodology and it will utilize the Allium sativum L. cryopreservation method in the frame of “National Programme on Conservation and Utilization of Plant, Animal and Microbial Genetic Resources for Food and Agriculture”.
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