METABOLIC REACTION OF PROLINE AND ITS DISTRIBUTION IN TOBACCO PLANTS AT THE INITIAL STAGES OF DEVELOPMENT UNDER CONDITIONS OF SALT AND WATER STRESS
DOI:
https://doi.org/10.32782/1998-6475.2023.55.17-21Keywords:
tobacco, proline, salinity, water stress, sustainability, metabolismAbstract
Scientists are actively searching for and introducing plant species that are resistant to adverse environmental factors. The use of introductions enriches the diversity of species composition. The aim of the study was to investigate the distribution of free proline (Pro) in the vegetative organs (aboveground and underground organs) of the tobacco varieties under investigation. Seedlings were subjected to simulated osmotic stresses for 3 hours by adding mannitol (0,8 M) and seawater salts (25,0% g/l). The content of free proline was measured in Samsun and Dubec varieties, while in the experimental samples we observed a characteristic decrease/stabilisation.
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