Abstract
Plant regeneration from isolated protoplasts of 8 cultivars of lisianthus, Eustoma grandiflorum (Griseb.) Schinners, has been established by using activated charcoal. Protoplasts were isolated from lisianthus leaves grown in vitro and started to divide within 3–4 days of culture, but successful colony formation was only achieved by adding gellan gum blocks containing 1% (w/v) activated charcoal immediately after culture. Colonies consisting of as many as 50–100 cells formed after 30 days of culture and were transferred to fresh medium for callus proliferation and shoot regeneration, respectively. These shoots rooted on MS medium containing 0.5 mg l−1 indolebutyric acid(IBA) and the plantlets were finally transplanted to pots. Morphological characteristics, growth habit and pollen fertility of protoplast-derived plants of one cultivar were not different from those of seed-grown plants as control.
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Abbreviations
- BA:
-
6-benzylaminopurine
- NAA:
-
1-naphthaleneacetic acid
- MS:
-
Murashige & Skoog (1962) medium
- IBA:
-
indolebutyric acid
- MES:
-
2-N-morpholinoethane sulfonic acid
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Kunitake, H., Nakashima, T., Mori, K. et al. Plant regeneration from mesophyll protoplasts of lisianthus (Eustoma grandiflorum) by adding activated charcoal into protoplast culture medium. Plant Cell Tiss Organ Cult 43, 59–65 (1995). https://doi.org/10.1007/BF00042672
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DOI: https://doi.org/10.1007/BF00042672