Изменчивость морфологических признаков у регенерантов Vaccinium corymbosum in vitro при воздействии фитостероидов

Abstract

Results of the comparative analysis of variability of 8 quantitative traits at regenerants of Northland and Patriot cultivars of highbush blueberry in vitro on nutrient, agarized mediums for rooting, with organic compounds, on macro- and micro- salt basis of ½ WPM differing on composition of phytohormonal steroids in a combination with IAA in 15 variants of experience are given in the present article. Usage of phytohormones in comparison with control led to authentic increase in indicators of regenerants height in 1.2–1.8 times; lengths of the third interstice in 1.2–1.4 times; the quantities of shoots, weight of regenerants and quantities of leaves in 1.2–1.3 times; explants viability in 1.2–1.5 times. In overwhelming majority of cases the presence of phytohormonal steroids – EB or EK – leads to authentic, essential rooting reduction in 1.2–5.7 times at both investigated cultivars. It is established the authentic (in most cases at P < 0.01) influence of a genotype on variability of all analyzed traits, as well as the authentic at P < 0.01 influence of phytohormonal structure of medium on variability of practically all traits (except for weight of regenerants).