Abstract
One of the most important factors in the intensification of greenhouse tomato production is the introduction of new high-yielding hybrids which are adapted to new technologies and unfavorable climatic conditions. The present investigation was carried out in the Korkyt ?ta Kyzylorda State University greenhouse between 2010 and 2015, to study the performance of different tomato hybrids in terms of growth, yield and quality inside the greenhouse in the PreAral area conditions in Kazakhstan. Seventeen tomato hybrids selected from the Netherlands, Israel and Russia were grown on a substrate of sawdust in the conditions of the extended culture. Based on the results obtained, the most productive hybrids and those best adapted to the climatic conditions of the area are identified and the fruits’ quality assessment and cost-effectiveness analysis are given. The best yield and fruit quality results were obtained from hybrids from the Dutch selection. The best variety for all indicators - productivity, yield of standard products, fruit taste and largest profit - was the Panekra hybrid. Lilos F1, Maxitos F1, Gravitet F1, Klepton F1, Esmira F1 and Clarabella F1 hybrids also had high productivity, good fruit quality and relatively high profit. These hybrids are recommended for greenhouse soilless culture in PreAral area conditions.
Highlights
Today, tomato (Solanum lycopersicum L.) is one of the most important members of the nightshade family that are widely grown in many countries across the globe
Since currently all the greenhouse production of vegetables in Kazakhstan is based on the cultivation of foreign selection hybrids, the indeterminate tomato hybrids from the Dutch selection: Lilos F1, Sample F1, Favorita F1, Grace F1, Clarabella F1, Abellus F1, Klepton F1, Maxitos F1, Esmira F1, Gravitet F1, Panekra F1, of Israel: Sharlotta F1, Garem F1 and of Russia: Kalash F1, Аzov F1, Beysuzhok F1, Salakhutdin F1 were chosen as the objects of the study
The results of phenological observations have shown that under growth in the conditions of the 7th photic zone of the pre-Aral area the investigated hybrids had different adaptive properties which were defined as the intensity of their growth and development processes (Table 4)
Summary
Tomato (Solanum lycopersicum L.) is one of the most important members of the nightshade family that are widely grown in many countries across the globe. It is recognized as an important commercial and dietary vegetable crop and occupies a prominent position among vegetables due to its export value (Singh et al, 2014). Up-to-date industrial greenhouse production impos esexclusive standards on varieties and hybrids. They must behighly-yielding, and have a high consumer appeal determining the priority of outlets sales (Korol, 2000; Barabash and Kravchenko, 2012)
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