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Zhong Yao Cai. 2013 May;36(5):695-8.

[Study on inducing embryogenic callus of Dioscorea zingiberensis by orthogonal design].

[Article in Chinese]

Author information

  • 1Anhui University of Traditional Chinese Medicine, Hefei 230031, China. hhp760222@126.com

Abstract

OBJECTIVE:

To select the suitable medium to induce embryogenic callus of Dioscorea zingiberensis.

METHODS:

Plantlet of Dioscorea zingiberesis in vitro was obtained by using apical meristem as explant. The different parts of the plantlets were cultured to select the best explant used for inducing callus and embryoids. Growing rate and diosgenin content were calculated in orthogonal test to optimize combination of phytohormones for inducing embryogenic callus.

RESULTS:

The leaves were suitable explants to induce callus and embryoid. The inducing rate of callus and embryoids reached 92.5% and 42.5%, respectively. The optimal medium for inducing embryogenic callus was MS + 6-BA 2.0 mg/L + NAA 0.5 mg/L + 2,4-D 1.0 mg/L.

CONCLUSION:

The results of this study can be used for effective induction of embryogenic callus of Dioscorea zingiberensis, and lay the foundation for the subsequent research of artificial seeds.

PMID:
24218956
[PubMed - indexed for MEDLINE]
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