tailieunhanh - Effects of salt stress on plant growth and biomass allocation in some wetland grass species in the Mekong delta

The study was performed with completely randomized factorial design having in triplicate. The experiment was carried out at the College of Environment and Natural Resources of Can Tho University from July to November 2018. Morphological toxic symptoms and growth inhibition were clearly observed in salt-treated treatments. Among the four studied species, T. orientalis produced the highest dry shoot biomass ( g DW/plant), while E. dulcis had the lowest value ( g DW/plant). However, only T. orientalis showed significantly decreased in biomass as salinity increased with and times lower of fresh and dry biomass in plants grown at the salinity level of 20 ‰ compared to those grown in the control treatment. The other three plant species did not affect by salinity levels. The results indicated that S. littoralis, L. articulata and E. dulcis could tolerate at high salinity of 20 ‰ (eq. to the EC value in the nutrient solution of dS/m) and could be potential candidate to grow in the rice-shrimp model or in the salt-affected soils. | Effects of salt stress on plant growth and biomass allocation in some wetland grass species in the Mekong delta

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