Application of auxin-cytokinin substitute in vitro culture Solanacea crops
Abstract
Aim. The purpose of our research was to establish the possibility of initiation of potato and tomato culture plants using industrial growth regulators, which are legal for use in Ukraine, which include substances with pronounced auxin-cytokinin activity. Methods. In this work, we used varieties of tomato: Khoriv, Borivsky and Bozhedar, Povin potatos. Work in culture in vitro was performed according to conventional methods. Results. A phytohormone substitute was created in a known nutrient agar medium according to Murasige-Skuga. For the in vitro cultivation of tomato and potato plants, phytohormones were replaced by solutions of Ecostim and Ecostim 1, which exhibited auxin-cytokinin activity. The cost of these substitutes is much lower than that of commercial phytohormones. Conclusions. It is shown that optimal for growth in the MS medium in the callusogenesis of Solanacea cultures in vitro. That variant with the use of cytokinin substitutes Ecostim and Ecostim 1 with the rate of using of 35.0 and 40.0 mg/L.
Keywords: modification of MS medium, potatoes, tomatoes, cell culture in vitro.
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