Abstract:
Salinity is a major environmental stress that causes significant crop losses all over the world. To address this issue, scientists have introduced nanotechnology as a solution to mitigate salinity stress. Seed priming is shotgun approach and cost-effective technique for improving plant tolerance to various biotic and abiotic stresses. Maize (Zea mays L.) is a vital crop in Pakistan and worldwide, but it often faces low yield due to saline conditions. However, selenium nanoparticles are used to enhance the growth and yield of maize crops by improving nutrient uptake and reducing oxidative stress. Present study was carried out to investigate the influence of selenium nanoparticles in two maize varieties (Sahiwal Gold and Malka 2016) under salt stress. SeNPs was synthesized by using Moringa oleifera extract which acts as a reducing agent. The energy rich solution of selenium (25mg/L, 50mg/L) was used for treatment of maize seeds prior to sowing. Mmaize varieties (Sahiwal gold and malka -16) was treated with different salt levels (100mM, 200mM). Salinity stress at level of 200mM showed decreases in morph-physiological and biochemical attributes of selected maize verities. Magnificent enhancement in plant height, root & shoot fresh, dry weight and chlorophyll pigments has been observed when treated with 50mg/L SeNPs. Plants biochemical attributes such as (superoxide dismutase, peroxidase, catalases, ascorbate, peroxidase, proline, total soluble sugar, total free amino acid, total soluble protein, Sodium, hydrogen peroxide and malondialdehyde) increases at higher NaCl level (200mM), while NPK was decreased at this salt concentration in both verities. A concentration of 50mg/L of SeNPs found to be the most effective in improving the morphological and physio-biochemical parameters.
Page(s):
187-187
DOI:
DOI not available
Published:
Journal: Abstract Book on Second International Conference on Recent Approaches in Plant Sciences (RAPS-23) 4-5 May 2023 , Volume: 0, Issue: 0, Year: 2023