The Impact of Salicylic Acid and Silicon on ChlorophyllaFluorescence in Mung Bean under Salt Stress

2015 ◽  
Vol 62 (5) ◽  
pp. 654-659
Author(s):  
K. Ghassemi-Golezani ◽  
R. Lotfi
Keyword(s):  
Salicylic Acid ◽  
Salt Stress ◽  
Mung Bean ◽  
The Impact

scholarly journals Physiological Responses of Salinized Fenugreek (Trigonellafoenum-graecum L.) Plants to Foliar Application of Salicylic Acid

Plants ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 657
Author(s):  
Reda E. Abdelhameed ◽  
Arafat Abdel Hamed Abdel Latef ◽  
Rania S. Shehata
Keyword(s):  
Salicylic Acid ◽  
Salt Stress ◽  
Foliar Application ◽  
Shikimic Acid ◽  
Plant Tolerance ◽  
Physiological Mechanisms ◽  
Content Index ◽  
Malondialdehyde Content ◽  
Total Free Amino Acids ◽  
The Impact

Considering the detrimental effects of salt stress on the physiological mechanisms of plants in terms of growth, development and productivity, intensive efforts are underway to improve plant tolerance to salinity. Hence, an experiment was conducted to assess the impact of the foliar application of salicylic acid (SA; 0.5 mM) on the physiological traits of fenugreek (Trigonellafoenum-graecum L.) plants grown under three salt concentrations (0, 75, and 150 mM NaCl). An increase in salt concentration generated a decrease in the chlorophyll content index (CCI); however, the foliar application of SA boosted the CCI. The malondialdehyde content increased in salt-stressed fenugreek plants, while a reduction in content was observed with SA. Likewise, SA application induced an accumulation of proline, total phenolics, and flavonoids. Moreover, further increases in total free amino acids and shikimic acid were observed with the foliar application of SA, in either control or salt-treated plants. Similar results were obtained for ascorbate peroxidase, peroxidase, polyphenol oxidase, and catalase with SA application. Hence, we concluded that the foliar application of SA ameliorates salinity, and it is a growth regulator that improves the tolerance of fenugreek plants under salt stress.

Grain filling and yield of mung bean affected by salicylic acid and silicon under salt stress

2018 ◽  
Vol 41 (14) ◽  
pp. 1778-1785
Author(s):  
Ramin Lotfi ◽  
Kazem Ghassemi-Golezani ◽  
Nosratollah Najafi
Keyword(s):  
Salicylic Acid ◽  
Salt Stress ◽  
Mung Bean ◽  
Grain Filling

Impact of PGRS and nutrients pre-soaking on seed germinationand seedling characters of mung bean under salt stress

2016 ◽  
Author(s):  
R . Shivkumar ◽  
G. K. Nandhitha
Keyword(s):  
Ascorbic Acid ◽  
Salicylic Acid ◽  
Salt Stress ◽  
Gibberellic Acid ◽  
Seedling Growth ◽  
Mung Bean ◽  
Seed Treatments ◽  
Seed Soaking ◽  
Vigour Index ◽  
Seedling Characters

An experiment was conducted to study the impact of seed soaking with plant growth regulators (gibberellic acid, indole acetic acid, kinetin, salicylic acid and ascorbic acid) and nutrients (potassium chloride and calcium chloride) on mung bean (Vigna radiata L.) variety Co (Gg) 8 under salt stress condition. The seed and seedling growth under normal and saline (150 mM NaCl) conditions were studied to determine their usefulness in increasing relative salt tolerance by using PGRs and nutrients. Under salt stress, seedling characters were significantly affected compared to normal condition. Seed treatments with gibberellic acid (1mM), salicylic acid (2 mM), ascorbic acid (50 ppm) and kinetin (50 ppm) drastically increased the morphological and biochemical parameters of seedling under saline conditions. All pre-soaking seed treatments increased the germination percentage, shoot and root length, vigour index and stress tolerance index over control. Among the treatments, gibberellic acid, salicylic acid and ascorbic acid showed their supremacy compared to other treatments. Na+ / K+ ratio was decreased by gibberellic acid, CaCl2 (0.5%) and KCl (1%) treatments. It is concluded that treatments with hormones and nutrients have reduced the severity of the salinity effect and the amelioration was observed in all the treatments compare to control. Gibberellic acid and salicylic acid and ascorbic acid showed best results on seedling growth and biochemical characters whereas seed soaking with gibberellic acid, CaCl2 (0.5%) and KCl (1%) were showed its effect on decreased Na+ / K+ ratio under present experimental material and saline conditions.Keywords: Catalase, Mung bean, Na+/K+, Nutrients, PGRs, Salinity, STI, Vigour Index.

scholarly journals Effect of Salt Stress and Foliar Application of Salicylic Acid on Morphological, Biochemical, Anatomical, and Productivity Characteristics of Cowpea (Vigna unguiculata L.) Plants

Plants ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 115
Author(s):  
Ahmed M. El-Taher ◽  
Hany S. Abd El-Raouf ◽  
Nahid A. Osman ◽  
Samah N. Azoz ◽  
Magdy A. Omar ◽  
...  
Keyword(s):  
Salicylic Acid ◽  
Salt Stress ◽  
Vigna Unguiculata ◽  
Foliar Application ◽  
Chemical Constituents ◽  
Anatomical Structure ◽  
Salt Stress Tolerance ◽  
Growing Seasons ◽  
Stems And Leaves ◽  
The Impact

The present study aimed to investigate the impact of salinity on vegetative growth, chemical constituents, and yields of cowpeas (Vigna unguiculata) and the possible benefits of salicylic acid (SA) on these plants after damage from salinity. To achieve these objectives, two pot experiments were carried out at the Faculty of Agriculture, Al-Azhar University, Egypt, during the two growing seasons of 2019 and 2020. The results revealed that salinity significantly decreased, and SA treatment substantially increased the plant height, number of compound leaves, number of internodes per plant, fresh weights of leaves and stems, productivity, photosynthetic pigments content, and concentrations of nitrogen (N), phosphorus (P), and potassium (K) of the cowpea plants compared with the control. The anatomical structure of stems and leaves of the plants were also investigated, and it was found that positive variations in the anatomical structure of the median portion of the main stems and blades of mature foliage leaves were detected in the stressed and SA-treated plants. In conclusion, SA treatment increased the salt stress tolerance of cowpea plants by improving the morphological and physiological attributes of the plants.

scholarly journals Improving the Biocontrol Potential of Bacterial Antagonists with Salicylic Acid against Brown Rot Disease and Impact on Nectarine Fruits Quality

Agronomy ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 209
Author(s):  
Nadia Lyousfi ◽  
Rachid Lahlali ◽  
Chaimaa Letrib ◽  
Zineb Belabess ◽  
Rachida Ouaabou ◽  
...  
Keyword(s):  
Salicylic Acid ◽  
Disease Severity ◽  
Mycelial Growth ◽  
Brown Rot ◽  
Antagonistic Bacteria ◽  
Biological Treatments ◽  
Rot Disease ◽  
The Impact

The main objective of this study was to evaluate the ability of both antagonistic bacteria Bacillus amyloliquefaciens (SF14) and Alcaligenes faecalis (ACBC1) used in combination with salicylic acid (SA) to effectively control brown rot disease caused by Monilinia fructigena. Four concentrations of salicylic acid (0.5%, 2%, 3.5%, and 5%) were tested under in vitro and in vivo conditions. Furthermore, the impact of biological treatments on nectarine fruit parameters’ quality, in particular, weight loss, titratable acidity, and soluble solids content, was evaluated. Regardless of the bacterium, the results indicated that all combined treatments displayed a strong inhibitory effect on the mycelial growth of M. fructigena and disease severity. Interestingly, all SA concentrations significantly improved the biocontrol activity of each antagonist. The mycelial growth inhibition rate ranged from 9.79% to 88.02% with the highest reduction rate recorded for bacterial antagonists in combination with SA at both concentrations of 0.5% and 3.5%. The in vivo results confirmed the in vitro results with a disease severity varying from 0.00% to 51.91%. A significant biocontrol improvement was obtained with both antagonistic bacteria when used in combination with SA at concentrations of 0.5% and 2%. The lowest disease severity observed with ACBC1 compared with SF14 is likely due to a rapid adaptation and increase of antagonistic bacteria population in wounded sites. The impact of all biological treatments revealed moderate significant changes in the fruit quality parameters with weight loss for several treatments. These results suggest that the improved disease control of both antagonistic bacteria was more likely directly linked to both the inhibitory effects of SA on pathogen growth and induced fruit resistance.

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