An Effect of Weather and Soil Conditions and Their Interaction on Infection of Leaves and Tubers of Potato with Bacteria <Emphasis Type="Italic">Clavibacter michiganensis</Emphasis> subsp. <Emphasis Type="Italic">sepedonicus</Emphasis> |
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| Authors: | Milena Pietraszko Grzegorz Gryń W?odzimierz Przewodowski |
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| Institution: | 1.Division in Jadwisin,Plant Breeding and Acclimatization Institute, National Research Institute,Jadwisin,Poland;2.Division in Bydgoszcz,Plant Breeding and Acclimatization Institute, National Research Institute,Bydgoszcz,Poland;3.Division in Bonin,Plant Breeding and Acclimatization Institute, National Research Institute,Bonin,Poland |
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| Abstract: | The aim of research was to evaluate an effect of weather conditions in the years of study considering the air temperature and precipitation as well as granulometric distribution of soil, taking into account the temperature and moisture content, on asymptomatic infection caused by Clavibacter michiganensis subsp. sepedonicus (Cms) in leaves and tubers. The level of infection of leaves and tubers with Cms was differentiated by the thermal and humidity conditions occurring in the years of research. The granulometric distribution of soil (soil profile) had a significant effect on the level of leaf infection. In the year 2014, with moderate temperature and humidity, the highest intensity of leaves and tubers infection was observed on soil of the highest moisture content – sandy loam. In the years with extreme weather conditions, i.e. the drought in 2015 or the abundant rainfall in 2016, the most intensive infection was observed in leaves and tubers grown on soil of low humidity – slightly loamy sand and loamy sand. The degree of infection was found to decrease with increasing air temperature and precipitation level as well as with the increase of soil moisture. On the other hand, increasing soil temperature favoured infection in tubers. |
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