Warzecha, T.; Bocianowski, J.; Warchoł, M.; Bathelt, R.; Sutkowska, A.; Skrzypek, E. Effect of Soil Drought Stress on Selected Biochemical Parameters and Yield of Oat × Maize Addition (OMA) Lines. Int. J. Mol. Sci.2023, 24, 13905.
Warzecha, T.; Bocianowski, J.; Warchoł, M.; Bathelt, R.; Sutkowska, A.; Skrzypek, E. Effect of Soil Drought Stress on Selected Biochemical Parameters and Yield of Oat × Maize Addition (OMA) Lines. Int. J. Mol. Sci. 2023, 24, 13905.
Warzecha, T.; Bocianowski, J.; Warchoł, M.; Bathelt, R.; Sutkowska, A.; Skrzypek, E. Effect of Soil Drought Stress on Selected Biochemical Parameters and Yield of Oat × Maize Addition (OMA) Lines. Int. J. Mol. Sci.2023, 24, 13905.
Warzecha, T.; Bocianowski, J.; Warchoł, M.; Bathelt, R.; Sutkowska, A.; Skrzypek, E. Effect of Soil Drought Stress on Selected Biochemical Parameters and Yield of Oat × Maize Addition (OMA) Lines. Int. J. Mol. Sci. 2023, 24, 13905.
Abstract
The growth of plant and process of yield formation in crops are moderated by surrounding conditions as well as interaction of genetic background of plants and environment. In the last two decades significant changes in climate can be observed generating unfavorable and harmful impact on plant development. Drought stress can be considered as one of the most dangerous environmental factor influencing plant life cycle and decreasing production of biomass and finally the yield. Plants can react to water deficit in a wide degree what is dependent on the species, the genetic variability within the species, the phase of the plant ontogenesis, the intensity of stress, and other potential stress factors. In plants there can be observed hybrids between distinct taxa which exhibit certain traits adopted to tolerate stress conditions better than parental plants. Oat × maize addition (OMA) plants are good example of fertile hybrids with retained maize chromosomes as addition to complete oat genome. Hybrids generated via wide crossing can exhibit morphological, physiological and biochemical variations implemented by the occurrence of extra chromosomes of maize, as well as interaction of maize and oat chromatin. The molecular analysis indicated 12.5% OMA lines among all tested descendants of wide oat-maize crossing. On the fourteenth day of the drought, a significant effect of stress on the content of soluble sugars and phenolic compounds was observed, soil drought significantly reduced plant biomass above ground and several yield components. Less water lost revealed by results of the excised leaf water loss test was correlated with high yield of OMA lines. Phenolic compounds content might be used as biochemical indicator of plant drought tolerance since there were significant correlation with high kernel yields of plants subjected to drought stress.
Biology and Life Sciences, Agricultural Science and Agronomy
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