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EFFICIENT DIRECT ORGANOGENESIS FROM SHOOT TIPS AND NODAL SEGMENTS OF ASH GOURD (BENINCASA HISPIDA L.)

By: M. Kausar, S. Parvin, M.E. Haque, M. Khalekuzzaman, B. Sikdar, M.A. Islam

Key Words: Organogenesis, ash gourd, MS medium, shoot tips, nodal segments

JLES-Vol-8-No-P-17-20, December 2013

Abstract

The effect of external application of phytohormone on explants viz., shoot tips and nodal segments of ash gourd (Benincasa hispida L.) was tested on the frequency of shoot and root induction. Shoot tips and nodal segments were cultured on MS medium supplemented with different concentrations and combinations of cytokinins (BAP, Kinetin), auxin (IBA, NAA) and gibberellic acid (GA3) for multiple shoot formation and root induction. The highest number (up to 90%) of multiple shoot formation was obtained from the shoot tips in MS medium fortified with 1.5 mg/l BAP + 0.2 mg/l GA3, where average number of shoots per culture was 5.55. In case of nodal segment, better response (up to 78%) for shoot multiplication was found in MS with 2.0 mg/l BAP + 0.2 mg/l GA3. The concentration of 1.0 mg/l IBA was found to be most effective for root initiation in microshoot developed from both types of explants. Rooted plantlets were acclimatatized and established in sandy soil with good survival rate.

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Manuscript received on 9 September 2013 and revised on 16 November 2013

M. Kausar, S. Parvin, M.E. Haque, M. Khalekuzzaman, B. Sikdar, M.A. Islam

EFFICIENT DIRECT ORGANOGENESIS FROM SHOOT TIPS AND NODAL SEGMENTS OF ASH GOURD (BENINCASA HISPIDA L.)

JLES-Vol-8-No-P-17-20, December 2013

https://jlescience.com/les-publish/efficient-direct-organogenesis-from-shoot-tips-and-nodal-segments-of-ash-gourd-benincasa-hispida-l/

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