08. Strategy of selection of new cultivars of tomato for the South of Ukraine

https://doi.org/10.31073/agrovisnyk201606-08
Lymar V. A., Holodniak O. G.
Pages: 38-42.

Full article: 
Abstract
The purpose. To develop the strategy of selection of productive with choice quality of fruits heat-resistant genotypes of tomato adapted for growing in conditions of steppe zone of Ukraine. Methods. Laboratory, field, statistical. Results. Physical-mechanical properties of fruit of a tomato are closely related with resistivity against compression failure (r=0,61), content of dry soluble substance (r=0,62) and ratio of soluble substance to insoluble (r= – 0,57). Consumer features are related with mass of fruit (r=0,52), ratio of soluble substance in insoluble (r=0,69), and content of Acidum ascorbinicum (r=0,67). During selection for rising productivity and heat resistance depression of quality of fruit (r= – 0,45) is possible. Conclusions. In new cultivars of tomato it is possible to attain the desirable compromise between heat resistance, productivity and quality of fruits.


Key words: tomato, clusters, factors, correlations.



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