Reaction of selected potato varieties to Clavibacter sepedonicus infestation under changing weather conditions

Gryń, Grzegorz; Pietraszko, Milena; Przewodowski, Włodzimierz; Franke, K.; Nowakowski, M.; Nowakowski, M.

doi:10.1007/s10658-021-02226-7

Cited by 3 publications

(3 citation statements)

References 29 publications

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“…Climate conditions during the growing season also affect tuber diseases. For example, a study in Poland in 2021 demonstrates that weight loss due to infection increases with rising air and soil temperatures, as well as with higher Sielianinov coefficient values [32]. Potato late blight is relevant to weather conditions.…”

Section: Weather Conditionsmentioning

confidence: 99%

Climate Change Impacts on Potato Storage

Zhang,

Wang,

Kinay

et al. 2024

Foods

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In this study, we present a comprehensive literature review of the potential impacts of climate change on potato storage. Potato preservation can help reduce food loss and waste while increasing long-term food security, as potatoes are one of the most important crops worldwide. The review’s results suggest climate change can negatively affect potato storage, especially tuber sprouting and diseases in storage chambers. Lower Sielianinov coefficient values (indicating dry and hot conditions) during the vegetative season of potato growing can lead to earlier sprouting. For instance, a decrease of 0.05 in the Sielianinov coefficient during the growing season results in tubers stored at 3 °C sprouting 25 days earlier and tubers stored at 5 °C experiencing a 15-day reduction in dormancy. This is due to the fact that the dry and hot climate conditions during the vegetation period of potato planting tend to shorten potato tubers’ natural dormancy, which further leads to earlier sprouting during storage. Furthermore, high Sielianinov coefficient values may lead to worse disease situations. The results also suggest that research about the impacts of climate change on potato storage is very limited at the current stage, and further studies are needed to address the key knowledge gaps identified in this study.

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Section: Weather Conditionsmentioning

confidence: 99%

Climate Change Impacts on Potato Storage

Zhang,

Wang,

Kinay

et al. 2024

Foods

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“…Th e hydrothermal coeffi cient (K) was calculated on the basis of monthly sums of precipitation (P) and the monthly sum of mean daily temperatures (Σt), using the following formula: K = P/0.1 Σt. Th e values of Sielianinov's coeffi cient were classifi ed as follows: <0.40 -extremely dry (ed), 0.41-0.70 -very dry (vd), 0.71-1.0 -dry (d), [26]. Data on the sum of precipitations during potato growing time are presented as mean ± SD.…”

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confidence: 99%

“…According to Pietraszko et al, the infestation rate with ring rot pathogen decreases with increasing air temperature (over the optimum) and the rainfall level, and high soil humidity can also interfere with infection [40]. Gryn et al [26] state that air and soil temperatures during the initial potato growing season do not substantially infl uence the number of potato plant tubers infested by ring rot pathogen. Our own observations somewhat contradict this statement since we revealed a moderate positive correlation between C. sepedonicus prevalence and air temperature during the initial potato growing period.…”

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confidence: 99%

Latent Infestation of Potato Tubers with Soft Rot and Ring Rot Pathogens under Changing Weather Conditions in Ukraine

Hrytseva,

Skivka

2023

Mikrobiol. Z.

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Potato is one of the most important food crops in the world. Cultivation of potatoes is an important segment of the agriculture and economy as a whole in Ukraine. Bacterial diseases such as ring rot caused by Clavibacter sepedonicus, as well as soft rot and blackleg caused by Pectobacterium atrosepticum evoke tremendous losses of the potato crop. Stored seed tubers are the main source of accumulating pathogens in latent form. In addition, potato crop yield and quality are significantly affected by weather conditions. Along with affecting potatoes directly, meteorological factors such as air temperature and humidity can also impact tuber infestation with bacterial pathogens. The aim of the study was to monitor the prevalence of bacterial ring rot pathogen C. sepedonicus and soft rot pathogen P. atrosepticum in potato tubers on the territory of Ukraine in 2020 and 2021 years and assess its association with different weather conditions. Methods. Potato seed lots from newly harvested crops in eight regions of Ukraine (Odesa, Kyiv, Donetsk, Kherson, Cherkasy, Mykolaiv, Dnipropetrovsk, and Zhytomyr regions) without visual symptoms of diseases were used for the experiments. The detection of C. sepedonicus and P. atrosepticum was conducted by the immunochemical method DAS ELISA. Basal meteorological data (the sum of precipitation (mm/month) and average air temperature (°C) were obtained from the local meteorological stations. The amplitude of air temperature and the sum of precipitation during potato planting, growing, and harvesting seasons, as well as Sielianinov’s hydrothermal coefficient (K) were additionally calculated. The Spearman correlation coefficient was used for the analysis of the correlation between pathogen prevalence and weather parameters. Results. Both ring rot pathogen C. sepedonicus and soft rot pathogen P. atrosepticum were detected in potato lots from all surveyed regions, but the prevalence of latent infestation varied between 2020 and 2021. In 2020, the highest soft rot pathogen prevalence values were registered for Mykolaiv, Kyiv, and Cherkasy regions (21.7, 10.5, and 10% respectively), where high rainfall levels in May and June were observed. In 2021, potato planting, growing, and harvesting seasons were marked by significantly higher precipitation levels, as compared to 2020, in all regions. Average occurrence values for P. atrosepticum in potato lots were 1.7 times higher than that in 2020. The highest prevalence (40%) was observed in the Donetsk region with extremely high air humidity during the potato growing period. Strong positive correlation (r = 0.721) was found between soft rot pathogen prevalence and K coefficients during the potato growing season, as well as between P. atrosepticum prevalence and the sum of precipitation during planting and early growing seasons. Prevalence of ring rot pathogen didn’t differ significantly in 2020 and 2021. The highest C. sepedonicus prevalence was observed in 2020 in the Kyiv region (18.9%), and in 2021 — in the Donetsk region (20%). A moderate positive correlation (r = 0.591) was found between pathogen prevalence and air temperature during planting and early growing season. Conclusions. Weather factors such as air temperature and humidity over the planting and early growing potato season can influence progeny tuber infestation with P. atrosepticum and C. sepedonicus. Knowledge of the effect of the changing weather conditions on the susceptibility of potato varieties with different genetic features to infestation with soft rot and ring rot pathogens warrants future investigation since it is crucially important for developing measures for disease control by potato producers.

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DEVELOPMENT OF SPECIFIC PRIMERS FOR 16S rRNA GENE ANALYSIS IN THE DETECTION OF Ralstonia solanacearum SPECIES COMPLEX

Hrytseva¹

2022

Biotechnol. acta

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Members of Ralstonia solanacearum species complex (RSSC) are causal agents of vascular wilt disease in more than 450 crop species, including solanaceous plants such as potatoes, tomatoes, bell pepper, eggplant, etc. These phytopathogens cause serious yield loss mostly in solanaceous crops which are grown in tropical, subtropical, and temperate regions of the world. Yield losses comprise 80%–100% in potato, up to 91% for tomato, 10%–30% in tobacco, 33%–90% in banana, and reduce crop productivity and yield. PCR-methods are specific, sensitive and cost-effective approaches for the detection and identification of RSSC members. The objective of this study was to compare specificity of routinely used primer mix for PCR RSSC detection with the newly developed pairs of species-specific primers for ease of use diagnostics in a laboratory. Materials and Methods. The conserved genomic regions of the 16S rRNA sequences of R. solanacearum, R. pseudosolanacearum, and R. syzygii were selected for the design of primers for this study. Newly created primer species specificity was tested in PCR using the DNA of the two targets and 13 non-target strains of bacteria. Results. Three pairs of newly created primers Rs-28(F)/Rs-193(R), Rs-28(F)/OLI-160(R), Rs28(F)/OLI248(R) produced single specific fragments for bacterial strains of Ralstonia solanacearum: 166 bp, 132 bp, and 220 bp. products respectively. No PCR products were obtained during amplification with the negative control or non-target DNA templates from other bacterial species. Conclusion. Designed primers can be used for the development of PCR system for the qualitative and quantitative detection of RSSC members.

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Reaction of selected potato varieties to Clavibacter sepedonicus infestation under changing weather conditions

Cited by 3 publications

References 29 publications

Climate Change Impacts on Potato Storage

Climate Change Impacts on Potato Storage

Latent Infestation of Potato Tubers with Soft Rot and Ring Rot Pathogens under Changing Weather Conditions in Ukraine

DEVELOPMENT OF SPECIFIC PRIMERS FOR 16S rRNA GENE ANALYSIS IN THE DETECTION OF Ralstonia solanacearum SPECIES COMPLEX

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