Abstract
Immature leaves of in vitro grown shoots of tea were cultured on various levels of 2,4-D. Somatic embryos were induced directly on leaves or via embryogenic callus produced at the basal regions of the leaves. Induction of embryogenesis appeared to be correlated with the maturity of the leaf explants, with younger leaves responding better. The embryogenic response of leaf explants also was correlated with the period of culture in 2,4-D containing liquid medium. Embryogenic calli or repetitive somatic embryos maintained their regeneration capacity for more than 3 years. Histological observation revealed somatic embryos were formed on various regions of the leaf midrib. Somatic embryos germinated and developed into plantlets on agar medium containing BA and IBA.
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Abbreviations
- BA:
-
6-benzylaminopurine
- IBA:
-
indole-3-butyricacid
- 2,4-D:
-
2,4-dichloro phenoxyacetic acid
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Communicated by G. C. Phillips
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Kato, M. Somatic embryogenesis from immature leaves of in vitro grown tea shoots. Plant Cell Reports 15, 920–923 (1996). https://doi.org/10.1007/BF00231588
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DOI: https://doi.org/10.1007/BF00231588