Agriculture and forestry

Vdovenko Serhiy Anatoliyovych – Doctor of Agricultural Sciences, Professor of the Department of Forestry, Horticulture and Viticulture of Vinnytsia National Agrarian University (21008, Vinnytsia, 3 Sonyachna Street. e-mail: sloi@i.ua).

Sievidov Volodymyr Petrovich – Candidate of Agricultural  Sciences, Associate Professor of the Department of Fruit Growing and Storage Of Plant Products of the State Biotechnological University (61002, Kharkiv, str. Alchevskikh, 44. e-mail: sevidov.vp@gmail.com).

The study examined the effectiveness of different methods of plant formation when growing tomatoes. Tomatoes are one of the leading vegetable crops, both in the world and in Ukraine. Compared to other types of vegetables, they have the largest cultivated area in the world. Tomato production deserves special attention. Their volume in the overall structure of vegetable production is the largest. After all, consumer demand for tomatoes and their processed products has increased by almost a third in the world over the past thirty years. Modern studies of tomato culture are diverse. Now much attention is paid to the improvement of cultivation technology. From a biological point of view, tomatoes are annual herbaceous plants with a very good ability to form shoots. This has led to numerous studies to increase production per plant and per area without sacrificing product quality. The aim of the research was to determine the effect of various methods of plant formation on biometric indicators and the yield of the hybrid of the indeterminate tomato Toivo F1. When conducting research, it was found that tomato plants show an increased response to growing conditions in the period from flowering to fruiting. The duration of the periods from the emergence of shoots and from the beginning of flowering to the beginning of mass fruiting was the shortest when plants were formed with an additional stem with pinching of the central stem above the fourth raceme. The effectiveness of the application of the studied technological methods in the analysis of the dynamics of the formation of yield by months of the fruiting period has been established. The research results show that in July the yield in the formation of a plant in two stems with pinching was 59.5% of the total yield. In the control and the variant with the formation of a plant in two stems, 35.4 and 35.8% of the total yield, respectively, were obtained during this period. The increase in the total yield of tomato when the plant was formed into two stems with pinching was 0.8-1.8 kg/m2 or 4.6-5.5% compared to other variants of the experiment.

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15. Hoza, Gheorghita & Maria, Dinu & Soare, Rodica & Becherescu, Alexandra & Apahidean, Alexandru & Hoza, Dorel. (2018). Influence of plant management systems on growth and fructification of tomato plants in protected culture. Scientific Papers. Series B. Horticulture. P. 457-463. [In English].