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International Journal of Applied Agricultural & Horticultural Sciences
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Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
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Vol. 5 (5) : September-October 2014 issue
Green Farming Vol. 5 (5) : 754-757 ; September-October, 2014
Callus induction using different explants and shoot regeneration in sesame (Sesamum indicum L.)
S.W. BANGAREMMA1*, G.S. GAYATREE2, H. RUPA3 and R. LOKESHA4
Plant Tissue Culture and Molecular Laboratory, Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences, Raichur - 584 102 (Karnataka)
Designation :  
1,2SRF *(bangarammawadeyar@gmail.com), 3Asstt. C.C. Operator, 4Professor
Subject : Crop Genetics and Plant Breeding
Paper No. : P-1647
Total Pages : 4
Received : 10 March 2014
Revised accepted : 18 September 2014
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Citation :

S.W. BANGAREMMA, G.S. GAYATREE, H. RUPA and R. LOKESHA. 2014. Callus induction using different explants and shoot regeneration in sesame (Sesamum indicum L.). Green Farming  Vol. 5 (5) : 754-757  ;  September-October,  2014

ABSTRACT
Attempt was made to induce callus from different regions of seedling and to achieve high frequency shoot regeneration in sesame (Sesamum indicum L.) using local genotypes viz. GLW (Gulbarga local white), Western-II (W-II), DS-I, E-8 and Tumkur local (TL). Light green, healthy and moderately compact callus was obtained from the hypocotyls segments used as explants and callus was inoculated on to MS media supplemented with different combinations of growth regulators (viz., NAA, IAA, BAP, TDZ, AgNO3, ABA and Sucrose). The maximum number of shoot regeneration was in variety DS-I with 100% response achieved on MS media containing NAA 2.5mg/l, BAP 3.5mg/l and AgNO3 20µM followed by 58% response in variety W-II and 50% shoot response in variety TL and the mean shoot regeneration response was 54.9 and number of shoots pre callus were 1.85. And also the obtained callus were placed on the media containing TDZ of concentration 25 µM and IAA (2&3 µM). The maximum number of shoot regeneration was in variety DS-I with 83.3% & 75% response achieved on MS media containing TDZ 25µM and IAA 3, 2 µM respectively, followed by 58% shoot response in variety E8 and TL respectively on MS media containing TDZ 25µM and IAA 3, 2 µM respectively and the mean shoot regeneration percent was 52.35 and number of shoots pre callus were 1.59. The shoot regeneration will increase the chances of genetic improvement of sesame through biotechnological ways such as genetic transformation and in vitro cell line selections.
Key words :
Callus, Cotyledonary, High frequency shoots regeneration, Hypocotyls, IAA, NAA and AgNO3, Root, Sesamum indicum, TDZ.