Journal
PLANT CELL TISSUE AND ORGAN CULTURE
Volume 99, Issue 1, Pages 27-34Publisher
SPRINGER
DOI: 10.1007/s11240-009-9572-4
Keywords
Protoplast yield; Callus formation; Plant regeneration and stability
Funding
- Federal Ministry of Economy and Technology (BMWi).
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Protoplasts were isolated from leaves of in vitro-grown shoot cultures of different Petunia and Calibrachoa genotypes by enzyme digestion with 0.6% macerozyme R-10 and 2.0% cellulase R-10. Shoot regeneration was achieved in five out of nine Calibrachoa and three out of four Petunia genotypes. Protoplast yield and frequency of shoot regeneration varied among experiments and genotypes. Among all regenerants, few morphological changes, such as chlorophyll deficiency, variegated leaves, and polyploidization, were observed.
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