Abstract
An in vitro regeneration system with a 100% efficiency rate was developed in peppermint [Mentha x piperita] using 5- to 7-mm-long second internode stem segments of 3-wk-old stock plants. Shoots developed at sites of excision on stem fragments either directly from the cells or via primary calluses. The optimal medium for maximum shoot initiation and regeneration contained Murashige and Skoog (MS) salts, B5 vitamins, thidiazuron (TDZ, 11.35 μM), ZT (4.54 μM), 10% coconut water (CW), 20 g l−1 sucrose, 0.75% agar, adjusted to pH 5.8. A frequency of 100% shoot initiation was achieved, with an average of 39 shoots per explant. This regeneration system is highly reproducible. The regenerated plants developed normally and were phenotypically similar to Black Mitcham parents.
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This work was supported by funding from the Mint Industrial Research Council and Center of Agricultural Resources, Institute of Genetics and Developmental Biology, CAS, China.
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Wang, X., Gao, Z., Wang, Y. et al. Highly efficient in vitro adventitious shoot regeneration of peppermint (Mentha x piperita L.) using internodal explants. In Vitro Cell.Dev.Biol.-Plant 45, 435–440 (2009). https://doi.org/10.1007/s11627-008-9170-x
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DOI: https://doi.org/10.1007/s11627-008-9170-x