Evaluation of varietal difference features and symptoms of diseases controlled in potato seed production

UDC 635.21:632.3

Simakov E.A., Anisimov B.V., Zebrin S.N., Mityushkin A.V., Zhuravlev A.A., Derevyagina M.K., Salyukov S.S.

An urgent task of modern potato seed production in Russia is the use of the existing potential of domestic varieties and the accelerated increase in the production of high-quality seed material. In this regard, the purpose of this work is to conduct comparative tests of mini-tubers, the first field generation of mini-tubers and super-super-elites of new promising varieties of Russian originators for compliance with regulatory tolerances of standards regarding varietal identity, purity and other quality indicators. The research was carried out in 2020–2021 at the experimental site of the Korenevo experimental base of the Russian Potato Research Centre (Moscow region). The program of comparative tests includes 288 varieties of Russian originators included in the State Register of Breeding Achievements of the Russian Federation over the past 10 years. Tuberous material was selected from batches of seed potatoes prepared for planting, the harvest of which was planned to be used for sale. According to the results of the evaluation of the original seed potatoes by the method of soil control, stable indicators of the identity of the variety-distinguishing features of the bush, stem, leaf, inflorescence and tuber were confirmed in 279 cultivars. At the same time, the presence of plants with deviations in the typicity of varietal characteristics was found in 9 cultivars, including mini-tubers (1 sample), the first field generation of mini-tubers (6 samples) and super-super elite (2 samples). It was found that the tolerances of the standard for viral diseases (YBK) were exceeded in 58 varieties, including 10 samples of mini-tubers, 24 samples of the first field generation of mini-tubers and 24 samples of super-super elite. Visual signs of bacteriosis damage (black leg) were detected in 4 samples of super-super elite. The results of comparative field tests of various classes of varieties of seed potatoes confirm the need to develop innovative technologies to improve the quality of original seeds of domestic varieties.

Key words: seed potatoes, quality requirements, varietal samples, comparative testing, soil control

Simakov E.A. (author for correspondence), D. Sci. (Agr.), head of potato breeding Department

Anisimov B.V., Cand. Sci. (Biol.), advisor on the development of scientific and educational programs

Zebrin S.N., Cand. Sci. (Agr.), PhD, leading researcher of Department of standards and certification

Mityushkin A.V., Cand. Sci. (Agr.), head of breeding for processing laboratory

Zhuravlev A.A., Cand. Sci. (Agr.), senior researcher of experimental potato gene pool Department

Derevyagina M.K., Cand. Sci. (Biol.), senior research fellow of plant protection laboratory

Salyukov S.S., research fellow of breeding for processing laboratory FSBSI Russian Potato Research institute after A.G. Lorkh

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For citing: Evaluation of varietal difference features and symptoms of diseases controlled in potato seed production. E.A. Simakov, B.V. Anisimov, S.N. Zebrin, A.V. Mityushkin, A.A. Zhuravlev, M.K. Derevyagina, S.S. Salyukov. Potato and vegetables. No8. Pp. 20–23. https://doi.org/10.25630/PAV.2022.20.98.003 (In Russ.).

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