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Thidiazuron stimulates adventitious shoot regeneration in different safflower explants

Research paper by K. Radhika, M. Sujatha, T. Nageshwar Rao

Indexed on: 01 Jun '06Published on: 01 Jun '06Published in: Biologia Plantarum



Abstract

Adventitious shoot regeneration from root, hypocotyl, cotyledon and primary leaf explants of safflower (Carthamus tinctorius L.) was studied. Shoot regeneration was promoted by benzyladenine (BA) + naphthaleneacetic acid (NAA), BA + indole-3-butyric acid (IBA), kinetin + NAA and thidiazuron (TDZ) + NAA incorporated in Murashige and Skoog (MS) basal medium. High frequency of shoot regeneration and high number of shoots per regenerating explant were obtained on a wide range of TDZ + NAA combinations. Proliferated shoots were elongated in MS + 0.5 mg dm−3 kinetin and well-developed shoots were rooted in half strength MS + 0.5 mg dm−3 NAA. Rooted shoots were successfully acclimatized and established in soil.