Summary
Shoot tips of 5 genera 38 species and cultivars of the Caryophyllaceae ornamentals were cryopreserved. Excised shoot tips were cooled at a rate of 0.5°C/min down to -40°C in the presence of 10% dimethyl sulphoxide and 3% glucose prior to immersion into liquid nitrogen. The shoot tips of all species and cultivars were viable after thawing. Little variation among species was observed in shoot regeneration. High viability of the cryopreserved shoot tips was maintained for up to 4 years. The plants derived from the cryopreserved shoot tips grew and flowered normally.
Key words
Caryophyllaceae cryopreservation shoot tipsAbbreviations
- BA
6-benzylaminopurine
- DMSO
dimethyl sulphoxide
- MS
Murashige & Skoog
- NAA
1-naphtalenacetic acid
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© Kluwer Academic Publishers 1991