Myroshnychenko O. Choosing of varieties and development of basic elements of the technology of cherry tomato growing in winter hidroponic greenhouses

In this thesis the impact of subgraft Beaufort F1 on a height, development, productivity and quality of cherry tomato when grown in winter hidroponic greenhouses was shown. The optimal plant density for cherry tomato of hybrid Cherubino F1 was determined using the technics of taking the additional shoot away and controlling the amount of fruits in a bunch. The main aim of abovementioned technics was to harvest high yield of good quality. The increase of the productivity under the influence of subgraft Beaufort F1 was observed for the plants of lines Businka F1, Bilochka F1 and hybrid Messina F1 ? by 1,2, 0,4 and 0,6 kg/м2 respectively. Using values of the productivity of standard bunches, the advantage of 8 and 10 fruits bunches was assigned. Yield reached 14,4-14,6 kg/м2 comparing to the productivity in control 13,8 kg/м2. Taking of additional shoot away from an epicormic branch on the height of 6-th fruit bunch on the each third plant provided the cash crop yield 15,9 kg/м2, that is 0,8 kg/м2 higher compared to control (without densifying). The basic results of researches were tested in real manufacturing conditions. Among the sortiment of studied cherry tomato the highest level of profitability (160 %) was reached at growing of hybrid Messina F1.