Alexander A Mushinsky, Evgeniya V Aminova, Aliya Z Saudabayeva

Animal Husbandry and Fodder Production. 2021. Vol. 104, no 4. Р. 233-243.

 doi:10.33284/2658-3135-104-4-233

 Evaluation of the incidence of potato varieties by the main pathogens in irrigated conditions

of Orenburg region

 Alexander A Mushinsky1, Evgeniya V Aminova2, Aliya Z Saudabayeva3

Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia

1san2127@yandex.ru, https://orcid.org/0000-0002-5274-8657

2aminowa.eugenia2015@yandex.ru, https://orcid.org/0000-0001-6945-2214

3aleka_87@bk.ru, https://orcid.org/0000-0001-7805-6707

 Abstract.  In  the  irrigated  conditions  of  Orenburg  region  in 2017–2021 a comprehensive phytopathological assessment of potato varieties of different maturity groups was carried out. The main goal was to establish their infestation with the main pathogens when using Protect and Abiga Peak fungicides against a natural infectious background. The plot area is 140 m2 (length is 50 m, width is 2.8 m). The registration plot is 70 m2 (length is 50 m, width is 1.4 m). The arrangement of variants in repetition is systematic. The work studied 17 varieties: mid-early – Nevsky (standard), Spiridon (standard), Lyubava, Fresco, Red Scarlett, Sante, Impala, Sheri, Rosara, Agat, Itzil, Braslet, mid-season – Kuzovok, Burren, Tarasov, Zakhar, Kavaler. The most susceptible to common scab (Streptomyces scabies Waks. &Henr.) Were the following varieties: Lyubava – 13.8 %, Agate – 5.6 %, Red Scarlett – 5.2 %, Tarasov – 5.1 %, Fresco – 3 %, Burren – 2.2 % and standard varieties Nevsky – 12.8 % and Spiridon – 5.1 %. The greatest damage to tubers by stolon rot (Fusarium oхysporum Schlecht.) was revealed in the following varieties: Agate – 4.9 %, Lyubava – 4.8 %, Fresco – 5.3 %, Burren – 8.7 %, Nevsky – 4.9 %, Spiridon – 3.0 %. The studied varieties - Zakhar, Sante, Impala, Sheri, Itzil, Kavaler and Braslet were resistant to Fusarium oхysporum Schlecht. and Streptomyces scabies Waks. & Henr. When using fungicides (Abiga Peak, Protect), the disease development index in the budding stage was 46.8 % lower than the control, and by 52.8 % before digging. In conclusion, we recommend cultivating potato varieties Kavaler, Impala and Zakhar under irrigated conditions in Orenburg region. They combine high yield capacity (over 40 t / ha) and resistance to pathogens Fusarium oхysporum Schlecht. and Streptomyces scabies Waks. & Henr., so it is efficient to use these varieties in the breeding process as a source of breeding material.

Keywords: tubers, yield capacity, incidence, pathogens, Streptomyces scabies Waks. & Henr.,Fusarium oхysporum Schlecht., Solánum tuberósum L., Fusarium blight, Orenburg Region

Acknowledgments: the work was performed in accordance to the plan of research works for 2021-2023 FSBRI FRC BST RAS (No. 0761-2019-0011).

For citation: Mushinsky AA, Aminova EV, Saudabayeva AZ. Evaluation of the incidence of potato varieties by the main pathogens in irrigated conditions of Orenburg region. Animal Husbandry and Fodder Production. 2021;104(4):233-243. (In Russ.). https://doi.org/10.33284/2658-3135-104-4-233

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Information about the authors:

Alexander A Mushinsky, Dr. Sci. (Agriculture), Leading Researcher of the Department of Potato Growing, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 27/1 Gagarin Ave, 460051, Orenburg, tel.:8-905-819-35-92.

Evgeniya V Aminova, Cand. Sci. (Agriculture), Leading Researcher of the Department of Potato Growing, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 27/1 Gagarin Ave, 460051, Orenburg, tel.: 8-912-841-19-31.

Aliya Z Saudabayeva, Cand. Sci. (Biology), Researcher of the Department of Potato Growing, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 27/1 Gagarin Ave, 460051, Orenburg, tel .: 8-912-841-19-31.

The article was submitted 29.09.2021; approved after reviewing 15.10.2021; accepted for publication 13.12.2021.

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