Abstract
A new method to regenerate plants from leaf primordia-free shoot apical meristem domes (LP-free SAMs) was developed by establishing the meristem dome on the cut surface of root tips. Ten days after culture, the viable rate of LP-free SAMs of chrysanthemum ‘Piato’ attached to chrysanthemum root tips was >40%. Shoot regeneration was not observed from LP-free SAMs without the root tips. When LP-free SAMs of chrysanthemum were transferred to root tips of either petunia, cabbage, or carnation, the highest shoot regeneration rate was observed with cabbage root tips. Microscopic observation documented that the LP-free SAM temporarily adhered to the cut surface of the root tip of cabbage.
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Acknowledgement
The authors gratefully acknowledge Professor A.M. Dandeker, at the University of California, Davis, Calif., for his kindness in correcting our English and for valuable advice on our experiments.
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Communicated by K.K. Kamo
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Hosokawa, M., Otake, A., Sugawara, Y. et al. Rescue of shoot apical meristems of chrysanthemum by culturing on root tips. Plant Cell Rep 22, 443–448 (2004). https://doi.org/10.1007/s00299-003-0719-1
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DOI: https://doi.org/10.1007/s00299-003-0719-1