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The effects of drought stress on changes in the relative water content, in levels of photochemical efficiency and chlorophyll content and in activities of antioxidative enzymes of second leaves of winter wheat (Triticum aestivum L.) cultivars Mironovská and Estica were compared. In one set, control plants were regularly watered, the other set of plant was subjected to water deficit period since 11th...
Winter survival of cereals and grasses depends mainly on plant resistance to low temperature and to snow mould fungi. To persist winter plants have to be tolerant to different kind of stresses: abiotic such as low temperature, long-term snow and ice cover, freeze-induced plant desiccation or frequent freezing and thawing, and biotic - many species of snow mould fungi. During the cold acclimation,...
The aim of the study was to investigate changes in activity of catalase (CAT) and non-specific peroxidase (PX) in leaves of chosen forage grasses during pathogenesis evoked by Microdochium nivale and to state if the activity of these antioxidants could be recognized as the physiological marker of grass resistance to snow mould. Plants of Festuca pratensis cv. Skra, Festuca arundinacea cv. Kord, Festulolium...
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