Journal of Plant Biotechnology

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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A Protocol for High Frequency Plant Conversion from Somatic Embryos of Peanut (Arachis hypogaea L. cv. DRG-12)

  • Rani A. Raja (Department of Plant Sciences, School of Life Sciences, University of Hyderabad) ;
  • Padmaja G. (Department of Plant Sciences, School of Life Sciences, University of Hyderabad)
  • Published : 2005.09.01
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Abstract

A protocol was developed for somatic embryogenesis with 100% induction rate from immature zygotic embryo axes of peanut (Arachis hypogaea L. cv. DRG-12) cultured on MS medium containing $18.09\;{\mu}M$ 2,4-D. The frequency of somatic embryogenesis (31.7%) as well as the number of somatic embryos induced per explant (6.6) decreased when the concentration of 2,4-D was increased to $72.4\;{\mu}M$. Morphologically abnormal somatic embryos were observed at a frequency of 43.3% on MS medium containing $72.4\;{\mu}M$ 2,4-D. Somatic embryos isolated from 30-day-old cultures of immature zygotic embryo axes exhibited precocious germination with varied responses when placed on MS basal medium with 3% sucrose. Maximum shoot induction (80.0%) was observed from somatic embryos isolated from 60-day-old cultures of immature zygotic embryo axes when placed as a clump rather than individually on MS medium supplemented with $26.63\;{\mu}M$ BA and $0.54\;{\mu}M$ NAA. Shoots developed from somatic embryos rooted with higher frequency (93.3%) on Blaydes' medium containing $5.4\;{\mu}M$ NAA.

Keywords

References

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