Efficiency of fungicides against fungal potato rot

Andriychuk, T.; Skoreyko, A.; Mankovsky, M.

doi:10.36495/1606-9773.2017.63.13-18

Cited by 2 publications

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“…In Ukraine, in recent decades, during the growing season of potatoes, there have been long periods of extremely high temperatures, soil drought, sharp differences in day and night temperatures, high humidity and, at the same time, high air temperature, short-term torrential rains with monthly rainfall, etc. This contributes to the spread of less common diseases, for example, fusarium stolon rot, or increasing the aggressiveness of the causative agents of fusarium wilt (Borodai and Parfeniuk, 2018;Andriychuk and Khomyak, 2013;Levitin, 2012) [5,1,12]. This disease is dangerous and harmful not only for the crop of the current year, but also for subsequent reproductions.…”

Section: Introductionmentioning

confidence: 99%

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Study of the Adaptability and Resistance of Potato Genotypes to Fusarium Solani (Mart.) Sacc.

Sonets,

Kienko,

Mykhailyk

et al. 2023

Věda a perspektivy

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Research is aimed at studying potato varieties with increased adaptive capacity in terms of yield, as well as resistance to phytopathogenic micromycetes Fusarium solani. The study of varieties with high genetic, adaptive potential, in relation to stress factors, resistance to damage by diseases, pests for growing them in a specific soil-climatic zone, remains relevant. In recent years, diseases caused by fungi of the genus Fusarium are the reasons for a sharp decline in the yield and quality of potatoes. The main criterion of a variety that is characterized by high adaptability in a certain agro-climatic zone is the adaptability coefficient with an indicator of 1 or higher. During 2018-2020, stress resistance, stability, resistance to the pathogen Fusarium solani of thirteen potato varieties were studied in the Polissia zone of Ukraine. Their yield, analyzed through the coefficients of adaptability, of phenotypic stability and the difference between its maximum and minimum value. Among the studied varieties, the Prada variety stood out (25.6 t/ha), which is high-yielding, stress-resistant and stable at the same time (CAA -1.21, FS -1.1, (X min -X max ) -1.8). This variety has a high score (9) of resistance to F. solani. Among the thirteen varieties of potatoes that were affected by phytopathogenic micromycetes genotypes were established that are highly resistant (Prada, Granada, Solokha, Rodynna, Lilly, Esmee, Zhytnytsia, Kniazha) and resistant (Opillia, Paroli, Bellarosa, Vzirets, Constance) to the pathogen F. solani, which causes the disease both during the storage period and during the growing season.

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Section: Introductionmentioning

confidence: 99%

“…Potato monoculture leads to a sharp increase in Fusarium wilt disease. Against a natural background, the damage caused by fusarium wilt was 2.5-33.8% for different varieties, and during the cultivation of the culture for three years on the same site, the damage reached 10-62% (Andriychuk and Khomyak, 2013) [1].…”

Section: Introductionmentioning

confidence: 99%

Study of the Adaptability and Resistance of Potato Genotypes to Fusarium Solani (Mart.) Sacc.

Sonets,

Kienko,

Mykhailyk

et al. 2023

Věda a perspektivy

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Efficiency of using tank mixtures of fungicides for the control of phytopathogens in potato agrocenoses

Taktaiev

Podberezko

Furdyha

et al. 2023

PSJ

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Goal. To evaluate the level of effectiveness of phytopathogen control elements in agrocenoses of potatoes for different combinations of pesticides with biologically active substances, methods of application and the reaction of Aria potatoes to them. Methods. Field — for monitoring the main diseases of potatoes in field experiments, recording the harvest, determining the effectiveness of combinations of fungicides with plant growth regulators and microfertilizers; laboratory — for recording damage to tubers by diseases. Research was conducted in accordance with generally accepted methods. Results. In 2019—2021, the Laboratory of Plant Immunity and Protection of the Institute of Potato Breeding of the National Academy of Sciences conducted research on the improvement of elements of phytopathogen control technology in potato agrocenoses under various schemes of using tank mixtures of fungicides, growth regulating substances (RRS) and microfertilizers. The research used the Aria variety selected by the institute. The lowest level of development of Alternaria was in the version where tuber treatment was carried out (fungicide impregnant + microfertilizer + PPR) and two plant treatments (Kurzat R + microfertilizer + PPR). The development of the disease was 14.7% for the spread of 66.6%, and the technical efficiency of the protection elements was 68.8%. To effectively control the development of common scab, rhizoctoniosis and fusarium dry rot, it is advisable to treat tubers with a tank mixture of impurity-fungicide + PPR + microfertilizer and to treat plants with a mixture of Kurzat P + PPR + microfertilizer, which significantly reduces the level of tuber disease control and limits their spread compared to and chemical standards. The yield of potatoes in the variants was higher than in the control (25.4 t/ha) — 29.8—36.8 t/ha. The level of the preserved harvest compared to the control was in the range of 4.4—11.4 t/ha or 17.3—44.9%. The highest level of yield (36.8 t/ha) was in the variant: treatment of tubers — impregnation-fungicide + micro-fertilizer + PPR and two plant treatments — Cuproxate + micro-fertilizer + PPR. This indicator is 11.4 t/ha (44.9%) higher than the control and 4.7 t/ha (14.6%) higher than the standard. Conclusions. The use of tank mixtures of fungicides with a growth regulator and microfertilizer significantly reduces the level of potato diseases and increases the yield. It was established that the use of a mixture of impurity-fungicide + PPR + microfertilizer for treating potato tubers and Kurzat P + microfertilizer + PPR for treating plants significantly reduces the level of common scab, rhizoctoniosis and fusarium dry rot and limits their spread, compared to control and chemical standards.

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Efficiency of fungicides against fungal potato rot

Cited by 2 publications

References 0 publications

Study of the Adaptability and Resistance of Potato Genotypes to Fusarium Solani (Mart.) Sacc.

Study of the Adaptability and Resistance of Potato Genotypes to Fusarium Solani (Mart.) Sacc.

Efficiency of using tank mixtures of fungicides for the control of phytopathogens in potato agrocenoses

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