Scar marking of ty genes resistance to TYLCV in genotypes of new tomato hybrids

Posted on 13.03.2026 by secretar
UDC 632.4.01:577.21
https://doi.org/10.25630/PAV.2026.25.36.008

Pirsikov A.S., Milyukova N.A.

The present study is aimed at the molecular genetic analysis of cultivated tomato varieties of Poisk company for the presence of Ty-2 and Ty-3 genes of tomato yellow leaf curl virus rresistance. The tomato is a widely known and almost universally cultivated crop. By 2019 the total area under cultivation had increased to 4.85 million hectares with production exceeding 182 million t. Due to its versatility and variety of forms and ways of eating, the tomato remains one of the most important food products. It is generally accepted that the tomato is an excellent model crop for studying plant biology and genetics. Moreover, tomato plant being affected by over 200 diseases caused by diverse pathogens is of articular interest for studying the genetics of plant resistance. Tomato yellow leaf curl virus (TYLCV) is one of the most dangerous tomato viruses in the world. It can destroy up to 100% of the crop and spreads rapidly. The TYLCV vector is not inferior to the virus itself both in terms of the effectiveness of crop damage and the complexity of combating it. The most effective way to reduce the disease is to develop TYLCV resistant tomato varieties. Ty genes from wild Solanum species can be used in tomato breeding programmes to obtain resistant genotypes. The use of molecular genetic markers in breeding process to identify resistance genes accelerates the developing of new varieties and hybrids and and also makes it possible to create the resistance to multiple diseases simultaneously.

Key words: gene Ty, TYLCV, tomato, yellow leaf curl virus, SCAR-marking

Pyrsikov A.S., Cand. Sci. (Agr.), leading research fellow, Molecular Biology Department, All-Russia State Center for Quality and Standardization of Veterinary Drugs and Feed. E-mail: andrey.pyrsikov@yandex.ru

Milyukova N.A., Cand. Sci. (Biol.), senior research fellow of Laboratory of Cell and Reproductive Biology, FSBSI All-Russia Research Institute of Agricultural Biotechnology (ARRIAB). E-mail: milyukovan@gmail.com

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For citing: Pirsikov A.S., Milyukova N.A. Scar marking of ty genes resistance to TYLCV in genotypes of new tomato hybrids. Potato and vegetables. 2026. No1. Pp. 50-55.https://doi.org/10.25630/PAV.2026.25.36.008 (In Russ.).

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