Effect of Cultivar and Explants Type on Tissue Culture Regeneration of Three Nigerian Cultivars of Tomatoes

Oloruntoyin Ajenifujah-Solebo Shakirat, N. A. Isu, O. Olorode and I. Ingelbrecht

Sustainable Agriculture Research, 2013, vol. 02, issue 3

Abstract: In order to assess the suitable explant(s) for in-vitro regeneration of three local cultivars of Nigerian tomatoes, Ibadan local (IbL), Ife and JM94/46, cotyledon, hypocotyls and radicle explants were cultured in shoot regeneration medium consisting of MS containing 30 g L-1 sucrose and 8 g L-1 agar with no exogenous plant growth hormones. Forty-five of each explant type was cultured on the medium in triplicate experiments and results showed varied percentage survival and shooting for the various explants. Hypocotyl explants had the highest percentage of shooting explants at 13.3% for IbL; 6.67% for Ife and 20% in JM94/46. IbL cotyledon explants had 4.44% of shooting explants with no shoots recorded in Ife and JM94/46 cotyledon explants. IbL radicle explants had 2.22% shooting explants and no shoots recorded in Ife and JM94/46. Student Neuman Keuls (SNK) statistical analysis of cultivar-media interaction showed there was no significant difference (P > 0.05) among the three cultivars in number of calli and shooting calli. There was however significant difference among the cultivars in the number of shoots recorded. SNK values for explants-media interaction showed that cotyledon and radicle explants were significantly different (P < 0.05) from hypocotyl explants in the number of shoots produced.

Keywords: Crop Production/Industries; Food Consumption/Nutrition/Food Safety (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:ags:ccsesa:230556

DOI: 10.22004/ag.econ.230556

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