In Vitro Polyploidy Induction in Persian Poppy (Papaver bracteatum Lindl.)

Authors

  • Saeed Tarkesh Esfahani Department of Plant Breeding and Biotechnology, Faculty of Agriculture, Tarbiat Modares University (TMU), P. O. Box. 14115-336, Tehran, Iran
  • Ghasem Karimzadeh Department of Plant Breeding and Biotechnology, Faculty of Agriculture, Tarbiat Modares University (TMU), P. O. Box. 14115-336, Tehran, Iran
  • Mohammad Reza Naghavi Department of Agronomy and Plant Breeding, College of Agricultural and Natural Resources, University of Tehran, Karaj, Iran

DOI:

https://doi.org/10.13128/caryologia-169

Keywords:

Persian poppy, seed, tetraploid, colchicine, flow cytometry, 2C DNA value

Abstract

Papaver bracteatum Lindl. grows as a wild perennial medicinal plant in Northern Iran and is known mainly for its high amounts of the pharmaceutically valuable alkaloid of thebaine. In vitro production of tetraploid P. bracteatum through colchicine treatment of imbibed seeds is reported. Resulted tetraploid and mixoploid plants were effectively identified by chromosome counting and flow cytometry technique. The chromosome number in diploid and successfully induced tetraploids were confirmed to be 2n=2x=14 and 2n=4x=28, where their calculated 2C DNA values were 6.15±0.03 and 11.95±0.07 pg, respectively. The highest induction efficiency was obtained by colchicine concentration of 0.05% and the treatment duration of 24 h. The effects of colchicine toxicity on plant survival and growth were proportional mainly to its concentration rather than duration of exposure to colchicine. Tetraploid plants possessed significantly larger and less frequent leaf stomata as well as a larger cell size. These attributes may serve as criteria for preliminary screening of P. bracteatum populations for ploidy level.

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Published

2020-03-13

How to Cite

Tarkesh Esfahani, S., Karimzadeh, G., & Naghavi, M. R. (2020). In Vitro Polyploidy Induction in Persian Poppy (Papaver bracteatum Lindl.). Caryologia, 73(1). https://doi.org/10.13128/caryologia-169

Issue

Vol. 73 No. 1 (2020)

Section

Articles

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