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Induction and Rapid Propagation of Dioscorea nipponica Makino′Root and Mensuration of Diosgenin′Content

JIANGYu-bao, ZHANGSu-mei, YUYuan-jie   

  1. College of Agronomy , Shandong Agricultural University , Tai′an  271018 ,China
  • Received:2006-12-20 Published:2007-12-30

Abstract: Induction and rapid propagation of Dioscorea nipponica , China root were studied using clustered shoots asmaterial ,meanwhile , contents of diosgenin in roots were determined by RP-HPLC , the results as follows:1/2 MS mediumwith no hormones was furthest suitable for roots induction with induction rate of 76.7 %;the best medium for root′propagationisMS +0.2 mg/L NAA +0.5mg/L IBA +0.2 -0.5mg/L PP333 , and the proliferation time was more than 93 after 60days;root′growth form changed during the course of rapid propagation , difference of diosgenin′content in different rootswasn′t notability , and the average is 0.21 %.

Key words: Dioscorea nipponica Makino, Root, Tissue culture, Diosgenin

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Cite this article

JIANGYu-bao, ZHANGSu-mei, YUYuan-jie. Induction and Rapid Propagation of Dioscorea nipponica Makino′Root and Mensuration of Diosgenin′Content[J]. ACTA AGRICULTURAE BOREALI-SINICA, doi: 10.7668/hbnxb.2007.S1.046.

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