The aim of the studies was to determine changes in the vigour of seeds of three spring triticale (x Triticosecale Wittm.) cultivars with various sprouting damages occurring during storage. It was found that the changes in vigour indices are mostly affected by sprouting damage and storage time, as well as by the interaction of these factors. The greatest significant reduction in the length of leaves and roots and the decrease in their dry weight, ranging from 25% to 90% as compared to the control, were observed in the most sprouted seeds. Seeds stored for eight months were characterized by the lowest electroconductivity values, which ranged from 117 to 157 μS·cm-1·g-1, and by the greatest respiration intensity. After 20 months of storing an increased, by 50%, outflow of electrolytes and decreased, in proportion to the seed damage degree, respiration intensity were observed. The correlation between seed respiration intensity and exudate electroconductivity, determined at that time, proved to be significant (r = -0.616*).
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