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Effect of cyanobacterial extracellular products on high-frequencyin vitroinduction and elongation ofGossypium hirsutumL organs through shoot apex explantsEffect of cyanobacterial extracts on induction and elongation of <ce:italic>Gossypium hirsutum</ce:italic>

Elsevier B.V.
DOI: 10.1016/j.jgeb.2013.04.001
  • Cotton
  • Plant Growth Regulators
  • Cyanobacteria
  • Shoot Apex


Abstract The challenging task of bringing high efficiency transformed plants attracts lot of attention in recent times. In search for this, there have been many attempts made using, different techniques like tissue culture and plant breeding methods. Here we report a suitable alternative facile route, where cyanobacterial extracellular products are utilized as growth regulators and its performance validated on Gossypium hirsutum L. MS medium is tested with cyanobacterial extracellular products of Nostoc ellipsosporum, Dolichospermum flos-aquae and Oscillatoria acuminata .Our best results show that the addition of O. acuminata extracellular product with plant growth hormones gives the excellent induction and elongation in cotton. In addition to this, the multiple shoot was obtained on MS medium fortified with 1.0mg L−1 BA with 8% O. acuminata and 1.5mgL−1 TDZ with 12% O. acuminata. High frequency of shoot elongation supplemented with MS medium, iP 2.5mgL−1 and 16% O. acuminata and root production MS medium fortified with 12% O. acuminata best responsible for regeneration in cotton plants. The rooted plants were hardened and transferred to soil with 90% survival rate.

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