Enhancement in growth, nutrients uptake and yield in maize by foliar application of methionine under salinity stress

2021 ◽  
Vol 53 (6) ◽  
Author(s):  
Sadia Shahid ◽  
Abida Kausar ◽  
Muhammad Yasin Ashraf ◽  
Noreen Akhtar ◽  
Zill-I-Huma Nazli
Keyword(s):  
Salinity Stress ◽  
Foliar Application ◽  
Nutrients Uptake

scholarly journals Effect of foliar application of potassium fertilizers on soybean plants under salinity stress

2020 ◽  
Vol 19 (4) ◽  
pp. 261-269 ◽  
Author(s):  
Bishnu Adhikari ◽  
Sanjeev Kumar Dhungana ◽  
Il-Doo Kim ◽  
Dong-Hyun Shin
Keyword(s):  
Salinity Stress ◽  
Foliar Application ◽  
Soybean Plants

scholarly journals Response Of Strawberry ‘Selva’ Plants On Foliar Application Of Sodium Nitroprusside (Nitric Oxide Donor) Under Saline Conditions

2014 ◽  
Vol 22 (2) ◽  
pp. 139-150 ◽  
Author(s):  
Babak Jamali ◽  
Saeid Eshghi ◽  
Bahman Kholdebarin
Keyword(s):  
Nitric Oxide ◽  
Sodium Nitroprusside ◽  
Salinity Stress ◽  
Foliar Application ◽  
Antioxidant Response ◽  
Nitric Oxide Donor ◽  
Saline Stress ◽  
Plant Tolerance ◽  
Time Of Application ◽  
Earlier Application

AbstractThis study was conducted to evaluate enzymatic and non-enzymatic antioxidant response of ‘Selva’ strawberry plants on exogenous nitric oxide under saline conditions with respect to time of application. Sodium nitroprusside (SNP), as nitric oxide (NO) source, was applied on the leaves by spray before, simultaneously, or after the initiation of saline stress. Results indicated that salinity and/or SNP at concentrations of 50 and 75 μM caused increase in activity of antioxidant enzymes, such as catalase, superoxide dismutase, glutathione reductase, ascorbate peroxidase and peroxidases as well as leaf content of proline, glycine betaine and total phenolics in comparison to control. Time of NO application was important because the highest levels of catalase and ascorbic peroxidase were in plants pre-treated with SNP one week before the initiation of salinity stress. Plants from these combinations had the highest fruit yield among all saline stressed plants. So, it seems that earlier application of SNP is more effective for an optimised protection against deleterious influence of salinity stress, because pre-treated plants had a sufficient time to develop an appropriate antioxidant response. The application of SNP simultaneously or after exposure of plants to stress conditions, was also helpful in increasing plant tolerance but to a lesser extent.

scholarly journals Differential Effects of Abscisic Acid and Glycine Betaine on Physiological Responses to Drought and Salinity Stress for Two Perennial Grass Species

2012 ◽  
Vol 137 (2) ◽  
pp. 96-106 ◽  
Author(s):  
Zhimin Yang ◽  
Jingjin Yu ◽  
Emily Merewitz ◽  
Bingru Huang
Keyword(s):  
Abscisic Acid ◽  
Salinity Stress ◽  
Glycine Betaine ◽  
Foliar Application ◽  
Poa Pratensis ◽  
Kentucky Bluegrass ◽  
Grass Species ◽  
Antioxidant Metabolism ◽  
Positive Effects ◽  
Turf Quality

Abscisic acid (ABA) and glycine betaine (GB) may regulate plant responses to drought or salinity stress. The objectives of this controlled-environment study were to determine whether foliar application of ABA or GB improves turf quality under drought or salinity and whether improved stress responses were associated changes in antioxidant metabolism in two C3 turfgrass species, creeping bentgrass (Agrostis stolonifera) and kentucky bluegrass (Poa pratensis). Physiological parameters evaluated included turf quality, leaf relative water content, membrane electrolyte leakage (EL), membrane lipid peroxidation [expressed as malondialdehyde (MDA) content], and activity of superoxide dismutase (SOD), peroxidase (POD), and ascorbate peroxidase (APX). Abscisic acid and GB were both effective in mitigating physiological damage resulting from drought or salinity for both grass species, but effects were more pronounced on kentucky bluegrass. The most notable effects of ABA or GB application were the suppression of EL and MDA accumulation and an increase in APX, POD, and SOD activities after prolonged periods of drought (21 days) or salinity stress (35 days). These results suggest foliar application of ABA or GB may alleviate physiological damage by drought or salinity stress in turfgrass and the maintenance of membrane stability and active antioxidant metabolism could contribute to the positive effects in the stress mitigation effects.

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