Nikulcha Y. The influence of biologically-active preparation on the development and producing capacity of grapes under the conditions of the south of Ukraine

The dissertation is devoted to the issue related to the application of new biological preparations of natural origin in the grape culture. Biological preparations Syzam, Valcimine, Albit and Lignohumate as well as their influence on the grapes growth, growth production, wine quality, resistance to the vegetation unfavorable conditions, autumn and winter period have been studied. The effect of biological preparations under different time and frequency of treatments has been studied. It was found out, that foliar treatment (in particular, two- or three-times) of various according to the biological peculiarities grape varieties with the solutions of these preparations significantly stimulated growth processes and development of bushes, increased the yielding capacity of grapes and improved qualitative characteristics wine materials, which were made of the harvest from the experimental plots studied.