Salt stress affects germination and seedling establishment in different wheat (Triticum aestivum L.) varieties
Keywords:Germination, Relative water contents, Seedling growth, Stress tolerance index, Vigor index, Wheat
Salt stress is a very important factor worldwide as it reduces the agricultural production of many crops.
This project was aimed to determine the effect of salt stress on the process of germination and seedling establishment
of six Triticum aestivum varieties (Fakhr e Sarhad, Insaf, Lalma, Tatora, Bathoor, and Barsat). Five seeds of six
Triticum aestivum cultivars were placed in each Petri-plate. Seeds were treated with different concentrations (0, 50
mM, and 150 mM) of NaCl. After 8 days, the experiment was terminated and germination percentage, seedling
length, seedlings biomass were recorded, while relative water content (RWC), vigor index (VI), root shoot ratio
(RSR), stem weight ratio (SWR), root weight ratio (RWR), and stress tolerance index of different parameters were
calculated. Analyzing results, it was observed that salt stress damage plant at observed stages in the form of the
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