PRODUCTIVITY AND PRODUCTIVITY OF INDETERMINATE TYPE TOMATO HYBRIDS IN PLASTIC FILM GREENHOUSES

  • H. I. Yarovyi Kharkiv National Agrarian University nd. a V.V Dokuchaev
  • V. P. Sievidov Kharkiv National Agrarian University nd. a V.V Dokuchaev
  • I. V. Sievidov Kharkiv National Agrarian University nd. a V.V Dokuchaev
Keywords: tomato, greenhouse, variety, hybrid, technology, productivity

Abstract

The aim of the research. To identify the features of the technology of growing and forming a crop of
tomatoes in greenhouses in film greenhouses in the spring; determine the morphological and biological variability of the vegetative and generative characteristics of tomato plants depending on the hybrid; establish the total performance of the studied hybrids; to evaluate and select, by product yield, a hybrid of indeterminate type tomatoes for growing in film greenhouses. Methods: field, statistical. Results. To the results of studies conducted in 2018-2019, it was found that single seedlings appear in hybrids with a difference of three days, and mass of two days after single. A single appearance of the first true leaf was noted 4-5 days after the general seedlings, and a mass appearance after 6-7 days. Plants in the flowering and fruiting phase had an average stem length of 295.1 cm in the control variant. The smallest length was observed in the Tobolsk F1 hybrid - 271.5 cm. All other hybrids were taller. The maximum average weight of one fetus is observed in the Matthias F1 hybrid - 133.5 g with an average number of fruits in the brush – 3 pcs, which is 25.3 g more than in the control variant. The minimum average weight of one fruit is observed in the Zulfiya F1 hybrid - 80.0 g with an average number of fruits in the brush – 4 pcs, which is 30.2 g less than the control variant. Due to more favorable weather conditions, a higher yield level was obtained in 2018 – by 0.4-0.8 kg / m2, compared with 2019. Conclusions. It is proved that the greenhouse conditions for growing vegetables have several advantages over open ground conditions. This consists in the fact that plants can be grown precisely at a temperature range that is most favorable for their growth and development. This simultaneously promotes active vegetation and protects plants from adverse weather conditions. An analysis of the data obtained in the study showed that, on average, in 2018-2019, the highest yield is characterized by plants of the tomato hybrid of Singor F1 – 16.3 kg / m2, and the smallest plant of the hybrid Ronda F1 – 13.5 kg / m2, in the control (Berberan hybrid F1) the yield was 14.3 kg / m2. To obtain the maximum possible level of fruit yield in the spring-summer cultivation in film greenhouses, the most suitable was the Syngora F1 hybrid, which had the highest yield among the studied ones - at the level of 15.9-16.6 kg / m2.

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Published
2020-07-31
How to Cite
Yarovyi, H., Sievidov, V., & Sievidov, I. (2020). PRODUCTIVITY AND PRODUCTIVITY OF INDETERMINATE TYPE TOMATO HYBRIDS IN PLASTIC FILM GREENHOUSES. Vegetable and Melon Growing, (67), 64-72. https://doi.org/10.32717/0131-0062-2020-67-64-72