Variations in morphology and disease susceptibility of micropropagated rhubarb (Rheum rhaponticum) PC49, compared to conventional plants

Plant Cell, Tissue and Organ Culture volume 82, pages357–361(2005)Cite this article

Abstract

Variation in morphological traits and increased disease susceptibility were observed in micropropagated plants of rhubarb (Rheum rhaponticum L.), PC49. Our investigations have demonstrated that micropropagated plants can vary substantially in morphological traits and the variation of quantitative traits was substantially greater than conventionally propagated plants. Micropropagated plants produced significantly more leaves than conventional plants under the same growth period, with a more bushy growth habit and/or recumbence. A higher incidence of disease (petiole spotting) was also observed in micropropagated plants. It is concluded that micropropagated PC49 had substantially higher incidence of somaclonal variation and regenerants were not suitable to establish an economic crop comparable to the conventional plants.

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Affiliations

  1. Horticultural Department, Henan Institute of Science & Technology, Xinxiang, Henan, 453003, China

    Yipeng Zhao

  2. Faculty of Science, Writtle College, Chelmsford, CM1 3RR, United Kingdom

    Brian W. W. Grout

  3. Crisp Innovar Ltd, Glebe House, Station Road, Reepham, NR10 4NB, United Kingdom

    Peter Crisp

Authors
  1. Yipeng Zhao
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  2. Brian W. W. Grout
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  3. Peter Crisp
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Correspondence to Yipeng Zhao.

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Zhao, Y., Grout, B.W.W. & Crisp, P. Variations in morphology and disease susceptibility of micropropagated rhubarb (Rheum rhaponticum) PC49, compared to conventional plants. Plant Cell Tiss Organ Cult 82, 357–361 (2005). https://doi.org/10.1007/s11240-005-1836-z

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Keywords

  • crop growth
  • disease susceptibility
  • micropropagation
  • rhubarb
  • variation