Summary
Plantlets were regenerated from protoplasts of in vitro shoot cultures and leaf-derived de novo shoots of the chrysanthemum Dendranthema zawadskii x D. grandiflora. Isolated protoplasts reformed cell walls and then began to divide within 24 hours of culture in streaky plate agarose lenses surrounded by liquid V-KM medium. Twenty one days after isolation, 1 mm diameter callus clumps were transferred to shoot regeneration medium. After a further 33 days leaves became visible. Elongated shoots were rooted on half strength hormone-free MS medium.
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Abbreviations
- BAP:
-
6-benzylaminopurine
- IAA:
-
3-indoleacetic acid
- MS:
-
Murashige and Skoog (1962)
- NAA:
-
1-naphthylacetic acid
- Pfr:
-
Photon fluence rate
- V-KM:
-
Binding and Nehls (1977)
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Communicated by F. Constabel
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Lindsay, G.C., Ledger, S.E. A protoplast to plant system for the chrysanthemum Dendranthema zawadskii x D. grandiflora . Plant Cell Reports 12, 278–280 (1993). https://doi.org/10.1007/BF00237135
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DOI: https://doi.org/10.1007/BF00237135