scholarly journals Salt stress mitigation by salicylic acid in wheat for food security in coastal area of Bangladesh

1970 ◽  
pp. 07-16
Author(s):  
Sayed Abdul Akher ◽  
Md Nazirul Islam Sarker ◽  
Shamima Naznin
Keyword(s):  
Salicylic Acid ◽  
Salt Stress ◽  
Grain Yield ◽  
Block Design ◽  
Grain Yields ◽  
Two Factors ◽  
Total Treatment ◽  
Salinity Levels ◽  
Different Levels

Salt stress has a large impact on controlling the plant growth and development. The present study was conducted to examine the role of salicylic acid on alleviation of salt stress in wheat. In this experiment, the treatment consisted of four different salinity levels viz. S0 = without salt (control), S1 = 2.8 g NaCl kg-1 soil ? 3-4 dSm-1, S2 = 6.0 g NaCl kg-1 soil ? 7-8 dSm-1, S3 = 9.0 g NaCl kg-1 soil ? 11-12 dSm-1 and three different levels of salicylic acid (SA) viz. A0 = 0 mM, A1= 0.2 mM and A2 = 0.4 mM. It was done by using two factors Randomized Complete Block Design (RCBD) with four replications. The total treatment combinations were 12 (4x3). Results of the experiment showed a significant dissimilarity among the treatments in respect of the major parameters. Yield of wheat were exaggerated by different levels of salinity. The higher levels of salinity showed greater reduction of yield. The highest grain yields (1.55 tha-1) were recorded at S0A2 (Without Salt + 0.4 mM salicylic acid) treatment combination which did not show any difference with S0A0 (Without Salt+ Without SA) and S0A1 (Without Salt + 0.2 mM SA). But the grain yield was gradually decreased with the increasing level of salinity. The application of salicylic acid increased the grain yield differently according to the levels of salinity. The minimum grain yields were found 1.14 t ha-1, 1.07 tha-1 and 0.26 t ha-1 at 3-4 dSm-1, 7-8 dSm-1 and 11-12 dSm-1 NaCl respectively. These yields were increased with SA (0.4 mM) from 1.14 to 1.32 tha-1, 1.07 to 1.14 tha-1 and 0.26 to 0.31 tha-1 at 3-4 dSm-1, 7-8 dSm-1 and 11-12 dSm-1 NaCl respectively. These results suggest that salicylic acid can alleviate the detrimental impacts of salinity and increase the grain yield of wheat.

scholarly journals Cekaman Garam NaCl danTeknik Aplikasi Azolla pada Tanaman Padi

2020 ◽  
Vol 25 (3) ◽  
pp. 349-355
Author(s):  
Fitri Krismiratsih ◽  
Sugeng Winarso ◽  
Slamerto Slamerto
Keyword(s):  
Salt Stress ◽  
Block Design ◽  
Ground Cover ◽  
Dry Weight ◽  
Soil Conditions ◽  
Application Technique ◽  
Rice Plants ◽  
Root Dry Weight ◽  
Randomized Block Design ◽  
Salinity Levels

Efforts to increase production potential can be carried out by extensification in a less productive saline land. Salinity is a major problem in the growth of most plants. Azolla is a plant that is sensitive to salinity, but if it is applied well, it can grow optimally at high salinity levels. The purpose of this study is to obtain an azolla application technique that is effective in increasing the adaptation of rice plants to NaCl saline soil conditions. The experimental design used was Randomized Block Design (RBD) with 2 factors and 3 replications. The first factor was the azolla application technique consisted of 3 levels: fresh azolla composted, fresh azolla immersed, and fresh azolla as a ground cover. The second factor was the levels of NaCl salt stress consisted of 4 levels: control DHL 0, 2, 4, and 8 dS m-1. The adaptation ability of rice plants based on variable plants height growth rate, number of tillers, strove dry weight, root dry weight, stomata density, leaf chlorophyll (SPAD), age of flowering, number of paddy grain, and harvest index. The results showed how to test content up to 2 dS m-1 which increased rice growth especially the application of azolla composted. Increasing stress to 4 and 8 dS m-1showed bad effects on vegetative, physiology, and yields of rice components. The stronger of salt stress the higher all plants growth variables except the age of flowering that actually showed the acceleration of flowering. Application of composted azolla can increase the root dry weight and azolla as a ground cover can increase the numbers of paddy grains.   Keywords: azolla, NaCl, rice, stress

scholarly journals Effect of foliar spray with sulfosalicylic acid on morphological and yield traits of chickpea under salinity conditions

2018 ◽  
Vol 7 (4) ◽  
pp. 2139
Author(s):  
Savita J. ◽  
Somveer Jakhar
Keyword(s):  
Salt Stress ◽  
Crop Production ◽  
Arid Regions ◽  
Foliar Spray ◽  
Special Importance ◽  
Inhibitory Effects ◽  
Sulfosalicylic Acid ◽  
Salinity Levels ◽  
Significant Concentration

Salinity is one of the limiting environmental factors for crop production. Chickpea has special importance among the legumes especially in arid and semi-arid regions and is sensitive to salinity. Therefore, it becomes necessary to make a plan to mitigate the salinity effect on this plant. For this purpose, an experiment was conducted in the net house of Department of Botany, Kurukshetra University, Kurukshetra to investigate the role of sulfosalicylic acid (SSA) at different concentrations (10-4, 10-5 and 10-6 M) in overcoming salinity stress imposed on chickpea plants in natural conditions. Different salinity levels (0, 50 mM, 100 mM and 150 mM) were applied and caused a significant reduction in morphological and yield parameters. Our main findings are as follows: (1) Salt stress has detrimental effects on growth and physiology of plants. (2) Application of SSA at 10-5 M was the most significant concentration in modulating the inhibitory effects of salt stress.

scholarly journals Response of Three Varieties of Cowpea( Vigna sinensis L.) to Different levels of potassium fertilizer under southern region conditions of Iraq

2019 ◽  
Vol 32 ◽  
pp. 25-34
Author(s):  
Ali. K. Al-Furtuse ◽  
Kifah A. Aldoghachi ◽  
Waleed A. Jabail
Keyword(s):  
Grain Yield ◽  
Leaf Area ◽  
Block Design ◽  
Growth And Yield ◽  
Control Treatment ◽  
Potassium Fertilizer ◽  
Vigna Sinensis ◽  
Highest Weight ◽  
Different Levels ◽  
Plant Length

A field experiment was conducted during  autumn season 2018 at Al Salam district, Maysan governorate. The aim was to evaluate some growth properties and grain yield of  three varieties of cowpea, Vigna sinensis L. (Local, Patton Boa and Atta E) grown under different levels of potassium sulphate  (0, 43, 86 and 129 kg h-1). The  experimental  design was applied according to the random complete block design in a split arrangement (Split Plots in RCBD). In on hand, the results showed a significant differences between the varieties. The local variety significantly gave highest plant length , leaf area, pods number, seeds number pod-1 and grain yield and which were 60.75cm, 2936.81cm2, 39.60 pod. plant-1, 7.69 seed pod-1, 99.93 g and 4.16 t. h-1 respectively. While the varieties Baton Boa gave highest weight of 100 seeds and gave 37.58 g. In other hand, as compare to the control, the addition of potassium up to 129 kg. h-1 lead to significant increase in plant length, leaf area, pods plant-1, seeds number pod-1 and grain yield plant-1 and total grain yield which were 53.33 cm, 3455.91 cm2, 51.61 pod. plant-1, 8.76 seed. pod-1, 125.93 g. and 5.25 T.h-1 respectively. Whereas, the control treatment (K0) gave the highest weight of 100 seeds (45.11 g). The Interaction between varieties and potassium  had a significant effect on almost  growth and yield characteristics.

scholarly journals Agronomic Performance of Soybean With Seeds Treated With an Algae Extract Base Biostimulant

2020 ◽  
Vol 13 (1) ◽  
pp. 147
Author(s):  
Gabriel Bressiani Melo ◽  
Alessandro Guerra da Silva ◽  
Adriano Perin ◽  
Guilherme Braga Pereira Braz ◽  
Christiano Lima Lobo de Andrade
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Natural Compounds ◽  
Soybean Seeds ◽  
Agronomic Performance ◽  
Grain Yields ◽  
Beneficial Effects ◽  
Agronomic Characteristics ◽  
Organic Components ◽  
Randomized Block Design

The use of biostimulants in the treatment of soybean seeds can provide beneficial effects on the crop due to the synergism between the organic components present in products from natural compounds. Due to the scarcity of results of research on biostimulants in the treatment of soybean seeds, the objective of this study was to evaluate the effects of doses of a biostimulant in the treatment of seeds, on agronomic characteristics, productivity components and profitability of soybean culture. Therefore, two experiments were carried out in the field in the 2016/17 and 2017/18 harvests, using a randomized block design with six replications and four treatments referring to doses of 0.00; 0.05; 0.10; and 0.15 L 100 kg seeds-1. The agronomic characteristics of soybeans, grain yield and profitability of using the biostimulant were evaluated. From the obtained results, it can be seen that the dose of 0.15 L 100 kg seeds-1 provided greater profitability in both harvests. In addition, doses above 0.12 L 100 kg seed-1 provide higher grain yields and a higher grain mass, in addition to other productivity components.

scholarly journals Role of salicylic acid as foliar spray on hydride rice (BRRI Hybrid dhan3) cultivation in Bangladesh

2017 ◽  
Vol 4 (3) ◽  
pp. 157-164
Author(s):  
Mohammad Issak ◽  
Most Moslama Khatun ◽  
Amena Sultana
Keyword(s):  
Salicylic Acid ◽  
Grain Yield ◽  
Biomass Production ◽  
Dry Matter ◽  
Foliar Application ◽  
Block Design ◽  
Foliar Spray ◽  
Dry Matter Production ◽  
Control Treatment ◽  
Matter Production

The experiment was conducted to study the effect of salicylic acid (SA) as foliar spray on yield and yield contributing characters of BRRI Hybrid dhan3.The experiment was laid out in a randomized complete block design (RCBD) with three replications and six treatment combinations as, T1: 0 μM SA, T2: 200 μM SA, T3: 400 μM SA, T4: 600 μM SA, T5: 800 μM SA and T6: 1000 μM SA. The results revealed that biomass production, dry matter production and yield and yield contributing characters were significantly increased due to the foliar application of SA. At the maximum tillering (MT) stage, the highest biomass production (15.0 t/ha) and dry matter production was observed in T3 treatment. Treatments T4, T5 and T6 showed significant variation on the effective tillers/hill. The maximum effective tillers/hill were found in the treatment T6. The percentages of spikelet sterility were decreased with increasing the level of SA and the percentage of filled grains/panicle were increased with increasing level of SA. The insect infestation was reduced with increasing level of SA to up to 1000 μM. The maximum grain yield (9.21 t/ha) and straw yield (9.22 t/ha) was found in the treatment T6 which was identical to T5. On the other hand, in all cases the lowest results were found in the control treatment. The result showed that grain yield of rice increased with increasing level of SA to up to 1000 μM (T6 treatment). Our results suggest that foliar spray of SA might be applied to increase the yield of hybrid rice in Bangladesh.Res. Agric., Livest. Fish.4(3): 157-164, December 2017

scholarly journals Yield and yield components of wheat as affected by phosphorus fertilization

2015 ◽  
Vol 41 ◽  
pp. 21-27 ◽  
Author(s):  
M. S. Alam ◽  
I. Jahan
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Yield Components ◽  
Agricultural Extension ◽  
Control Treatment ◽  
Phosphorus Fertilization ◽  
Wheat Varieties ◽  
Yield And Yield Components ◽  
Two Factors ◽  
Different Levels

The experiment was conducted at the Agronomy Field laboratory, Department of Agronomy and Agricultural Extension, University of Rajshahi to study the yield and yield components of wheat as affected by phosphorus fertilization. The experiment consisted of two factors i.e. (i) three wheat varieties viz., Shatabdi, Bijoy and Prodip and (ii) five levels of phosphorus viz. 0, 30, 60, 90, 120 kg P2O5 ha-1. A RCBD design was used for the experiment with three replications. The effect of variety was significant on all the yield components and yield except plant height. Prodip gave the highest grain yield (3.67 t ha-1) followed by Bijoy (3.45 t ha-1) and Shatabdi (3.28 t ha-1). Yield and yield components of wheat were significantly influenced by different levels of phosphorus. The highest grain yield (4.47 t ha-1) was recorded from P4 (120 kg P2O5 ha-1) and the lowest one (2.43 t ha-1) from the control treatment. The highest grain yield (4.80 t ha-1) was obtained from Prodip at 120 kg P2O5 ha-1 and the lowest one (2.3 t ha-1) was found in Shatabdi at control treatment. The results suggest that the combination of V3P4 (Prodip with 120 kg P2O5 ha-1) is the best for obtaining higher yield of wheat.

Response of antioxidant compounds to selenium and salicylic acid in wheat cultivars under dry land conditions

2013 ◽  
Vol 61 (1) ◽  
pp. 79-87 ◽  
Author(s):  
N. Sajedi ◽  
M. Boojar
Keyword(s):  
Enzyme Activity ◽  
Salicylic Acid ◽  
Grain Yield ◽  
Antioxidant Enzyme ◽  
Block Design ◽  
Seed Priming ◽  
Antioxidant Enzyme Activity ◽  
Antioxidant Compounds ◽  
Wheat Cultivars ◽  
Dry Land

In the present study, three dry land wheat cultivars, Azar 2, Sardary and Rasad, were tested for antioxidant enzyme activity, proline, malondialdehyde (MDA) and dityrosine (DT) content and grain yield after treatment with selenium and salicylic acid (SA). A factorial field experiment was carried out based on a completely randomized block design with three replicates. The experimental factors were three levels of salicylic acid (without SA; seed priming with 0.5 mM SA; seed priming + spraying with 1 mM SA) and two levels of selenium (0 and 20 g/ha). Significant increases in the activity of the superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPX) enzymes and in the proline level were observed after treatment in the leaves of the three genotypes investigated, but this was associated with reduced MDA and DT content. The application of SA as seed priming and the foliar application of Se also increased the grain yield. These results suggest that cultivars exhibiting high antioxidant enzyme activity and proline content under dry land conditions may provide better drought tolerance in wheat.

scholarly journals Germination and seedling growth of indigenous aman rice under salt stress

2017 ◽  
Vol 15 (2) ◽  
pp. 182-187
Author(s):  
D Das ◽  
MA Ali ◽  
TA Sarkar ◽  
MY Ali
Keyword(s):  
Salt Stress ◽  
Seedling Growth ◽  
Growth Parameters ◽  
Development Program ◽  
Germination Capacity ◽  
Rice Varieties ◽  
Randomized Design ◽  
Two Factors ◽  
Salinity Levels ◽  
Four Levels

The experiment was conducted at the Agronomy Laboratory of Agrotechnology Discipline, KhulnaUniversity, Khulnato determine the effect of salt stress on germination and seedling growth of indigenous Aman rice varieties during June, 2015 to December, 2015.  The salt tolerant landraces will be used as genetic resource for variety development program in future. The factorial experiment consists of two factors such as ten indigenous Aman rice varieties and four levels of salt solutions viz EC (dS m−1) of 5, 10 and 15 with control (distilled water). The experiment was laid out in Completely Randomized Design (CRD) with three replications. The interaction effects between variety and salinity on germination and seedling growth parameters of indigenous Aman rice varieties were varied significantly. It was found that germination capacity, energy, speed, seedling vigor index, root length and shoot length of rice were decreased gradually with increasing salinity. The germination energy and germination speed of most varieties were drastically reduced at 10 dS m−1 or higher salinity levels. The germination capacity of Hatibazor, Boushohagi, Shadagotal and Moinamoti were recorded 97.66 %, 99.33%, 98.0 % and 97.33%, respectively at 15 dS m−1 water salinity in laboratory condition. The results revealed that the indigenous Aman rice varieties named Boushohagi, Shadagotal, Hatibazor, Moinamoti, Motha were performed better over other varieties considering of germination and seedling growth parameters.J. Bangladesh Agril. Univ. 15(2): 182-187, December 2017

scholarly journals Phenotypic and Physiological Evaluation of Wheat Genotypes under Non-Saline and Saline Soil Conditions

2021 ◽  
pp. 29-43
Author(s):  
Hamada Amer ◽  
Mohamed Z. Dakroury ◽  
Ibrahim S. El Basyoni ◽  
Hanaa M. Abouzied
Keyword(s):  
Grain Yield ◽  
Saline Soil ◽  
Block Design ◽  
Soil Conditions ◽  
Salt Tolerant ◽  
Wheat Genotypes ◽  
Growing Seasons ◽  
Randomized Complete Block Design ◽  
Salinity Levels ◽  
Physiological Evaluation

This study was conducted to assess the effect of soil salinity on leaf area (LA), the number of days to flowering (DF), plant height (PH), and grain yield. Overall, 60 wheat genotypes were used, including 49 CIMMYT elite lines and 11 commercially grown Egyptian wheat cultivars. During two growing seasons (2017 and 2018), the genotypes were grown in non-saline (S0) and saline (S1) soils. A randomized complete block design with three replicates was used in a split-plot arrangement. Salinity levels were randomly assigned to the main plots, while genotypes were randomly assigned to the subplots. The obtained results showed that the saline soil adversely affected the evaluated genotypes. Furthermore, a highly significant effect of genotypes × salinity was observed on grain yield and its attributed traits. Based on salinity indices results, some of the imported wheat genotypes outperformed the Egyptian cultivars in grain yield under salinity stress conditions. The results further indicated that Sakha-93, C-31, and C-40 were the most salt-tolerant genotypes. The best performing line among the CIMMYT lines was C-31, which recorded the highest grain yield under none-saline and saline soil in the two seasons of study.

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