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Bulletin of the Kyrgyz National Agrarian University

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Evaluation of potato cultivars for resistance to diseases and pests under the high-altitude conditions of the Gornyi Altai testing site

N Nurlana Okasheva S Sergey Krasnikov A Ayana Konunova
Received 25.10.2024
Revised 31.01.2025
Published 12.03.2025

Abstract

The relevance of this study lies in the need to identify potato cultivars with the highest resistance to diseases and pests under the unique high-altitude conditions of the Gornyi Altai, contributing to improved crop yield stability. This study aimed to assess the resistance of early maturing potato cultivars – Belukha, Gorets, Suvenir Gornogo Altaya, and Snegir – to diseases and pests under the conditions of the high-altitude testing site in the Gornyi Altai. The research was conducted in 2023 in the village of Aktash, Ulagansky District, Altai Republic, Russia. The main findings and conclusions concerned the following aspect: the level of resistance to diseases and pests in each cultivar was influenced by various factors, including climatic conditions, soil composition, and the presence of pathogens and pests at the testing site. The study employed field trials, phytopathological analysis, and statistical data processing methods to assess the resistance of various potato cultivars. The presence and severity of plant infection by phytopathogens such as late blight and common scab, as well as damage caused by the Colorado potato beetle and other pests, were analysed. It was established that all cultivars exhibited complete resistance to late blight, common scab, and dry rot, indicating a high level of adaptation to the regional conditions. However, the cultivar Suvenir Gornogo Altaya showed minor infection by soft rot, with a damage level of 0.2%. The productivity of the studied cultivars ranged from 1,120 g per plant (Snegir) to 1,870 g per plant (Belukha). The findings support the recommendation of these cultivars for cultivation in the high-altitude conditions of the Altai Republic, with the aim of minimising crop losses. The practical value of the study lies in the potential use of its results to recommend well-adapted potato cultivars to farmers working in similar climatic conditions, thereby reducing crop losses and plant protection costs

Keywords

genotype; Gorets; Belukha; Suvenir Gornogo Altaya; late blight; common scab
Suggested citation
Okasheva, N., Krasnikov, S., & Konunova, A. (2025). Evaluation of potato cultivars for resistance to diseases and pests under the high-altitude conditions of the Gornyi Altai testing site. Bulletin of the Kyrgyz National Agrarian University, 23(1), 29-37. https://doi.org/10.63621/bknau./1.2025.29

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