Plant Cell Culture and Tissue
Hossein Pasalari; Javad Karimi
Volume 1, Issue 2 , December 2020, , Pages 27-34
Abstract
Introduction and Aim: Low frequency of transformation and, more importantly, the occurrence of soma clonal variation at very high rates have considered disadvantages of Potato In vitro culture. Two Phytohormones, auxins (NAA, 2, 4-D), and cytokines (BAP, ZR) with concentrations were used to develop an ...
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Introduction and Aim: Low frequency of transformation and, more importantly, the occurrence of soma clonal variation at very high rates have considered disadvantages of Potato In vitro culture. Two Phytohormones, auxins (NAA, 2, 4-D), and cytokines (BAP, ZR) with concentrations were used to develop an efficient regeneration protocol for three genotypes of Potato. Methods: The explants cultured on MS-medium supplemented with BAP 1 mg.l-1; NAA 0.1 mg.l-1; BAP 2 mg.l-1; NAA 0.2 mg.l-1; BAP 3 mg.l-1; NAA 0.3 mg.l-1; ZR 1 mg.l-1; 2.4-D 0.1 mg.l-1; ZR 2 mg.l-1; 2.4-D 0.2 mg.l-1; ZR 3 mg.l-1; 2.4-D 0.3 mg.l-1. Results:The results showed that the highest percentage and number of root formation and shoot regeneration obtained in the medium included BAP 3 mg.l-1; NAA 0.3 mg.l-1 or ZR 3 mg.l-1; 2.4-D 0.3 mg.l-1 respectively. In this study, 0.3 mg.l-1 of both NAA and 2, 4-D were able to induce the most effective root regeneration. Conclusion: The three potato genotypes were statistically different in their leaf regeneration efficiency. The Odyssey genotype showed a weak response to leaf regeneration.
