Effect of Interaction Between Ag Nanoparticles and Salinity on Germination Stages of Lathyrus Sativus L.
Journal Title: Open Access Journal of Environmental and Soil Sciences - Year 2019, Vol 2, Issue 2
Abstract
The aim of the study was to effect of interaction between Ag nanoparticles and salinity on Germination Stages of Lathyrus Sativus L. Treatments included in the study were viz. To 3 levels of salinity (0 as control, 8 and 16 dS/m NaCl), 8 and 16 dS/m and four levels of silver nanoparticles (0, 5, 10 and 15 ppm) on grass pea seed were tested. An experiment was conducted to evaluate the effects of silver nanoparticles (AgNPs), on the seed germination factors, root and shoot length (RL and SL) and proline content of grass pea Survival under Salinity Levels. Results showed a significant reduction in growth and development indices due to the salinity stress. The salt stress impaired the germination factors of grass pea seedlings. The application of Ag in combination improved the germination percentage, shoot and root length, seedling fresh weight and seedling dry weight and seedling dry contents of grass pea seedlings under stressed conditions. The results suggest that Ag nanoparticles enhancement may be important for osmotic adjustment in grass pea under salinity stress and application of Ag mitigated the adverse effect of salinity and toxic effects of salinity stress on grass pea seedlings. High salinity is a common abiotic stress factor that causes a significant reduction in growth. Germination and seedling growth are reduced in saline soils with varying responses for species and cultivars [1]. Soil saltiness may impact the germination of seeds either by causing an osmotic potential outside to the seed averting water uptake, or the poisonous effects of Na+ and Cl− ions on germinating seed [2]. Salt and osmotic stresses are responsible for both inhibition or delayed seed germination and seedling establishment [3]. The majority of our present-day crops are adversely affected by salinity stress [4]. NaCl causes extensive oxidative damage in different legumes, resulting in significant reduction of different growth parameters, seed nutritional quality, and nodulation [5,6]. To mitigate and repair damages triggered by oxidative stress, plants evolved a series of both enzymatic as well as a non-enzymatic antioxidant defense mechanism. Ascorbate and carotenoids are two important non-enzymatic defenses against salinity, whereas proline is the most debated osmoregulatory substances under stress [7].
Authors and Affiliations
Seyed Saeid Hojjat
Keywords
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- EP ID EP574583
- DOI 10.32474/OAJESS.2019.02.000132
- Views 79
- Downloads 0
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