Callus induction and plant regeneration from lateral shoots of herbaceous bamboo Mniochloa abersend
2017
Zang, Qiaolu | Jiao, Yulian | Guo, Xiaomei | Zhuge, Fei | Yeh, Kaiwun | Lin, Xinchun
Callus induction and plant regeneration of Mniochloa abersend via lateral shoots were conducted in this study. Murashige and Skoog (MS) medium supplemented with 1.0 mg/L 2,4-dichlorophenoxyacetic acid (2,4-D) and 1.0 mg/L naphthaleneacetic acid (NAA) was effective for compact callus induction. Remarkably, calli on the MS medium with 0.1 mg/L 2,4-D yielded the highest folds of proliferation (8.01), and showed a high potential capacity to differentiate 1 year after subculture. In addition, the compact calli possessed 100% differentiation rate and generated more shoots that were green and strong in 1.0 mg/L kinetin and 1.0 mg/L NAA. Vigorous roots were generated in the 1/2MS supplemented with 0.5 mg/L indole-3-butyric acid, and the resultant plantlets exhibited 90% survival rate after they were hardened and transplanted. The established regeneration system of M. abersend provides a promising platform for bamboo gene function study.
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