Effect of Sodium Chloride and Boron Stress on Germination Percentage and Amylase Activity in Wheat (Triticum aestivum L.)

Soil salinity and boron toxicity are significant abiotic stressors affecting agricultural performance. This study investigates the impact of these stresses on the germination and early seedling growth of the wheat variety HUW 234. Experiments were conducted during the rabi seasons of 2014-15 and 2015-16 using varying concentrations of sodium chloride (NaCl) and boron (B). Results indicated that increasing NaCl concentrations significantly decreased germination percentages and amylase activity, demonstrating the detrimental effects of soil salinity on wheat. Conversely, boron exhibited a more complex relationship: while high concentrations (4.5 and 5.0 mg B/kg soil) negatively affected germination and enzyme activity, an optimal concentration of 2.0 mg B/kg soil enhanced these parameters. These findings highlight the limited tolerance of HUW 234 to high soil salinity and its narrow optimal range for boron. Developing strategies to enhance salt and boron tolerance in wheat, such as genetic improvements and stress management approaches, is crucial for improving productivity in saline and boron-rich soils. Further research into the physiological and molecular mechanisms underlying these responses is essential for designing effective mitigation strategies.

Bhudeo Rana Yashu1, Khusboo Gupta2, Uday Pratap Singh3 and Savita Jangde*4 Click here to download file

Research Article | Published online : 10-Jul-2024