scholarly journals VEGETATIVE GROWTH, YIELD AND SOME CHEMICAL CONSTITUENTS IN LEAVES AND PODS OF COMMON BEAN AS AFFECTED BY SALICYLIC ACID AND POTASSIUM FOLIAR APPLICATION UNDER DIFFERENT IRRIGATION INTERVALS

2015 ◽  
Vol 6 (1) ◽  
pp. 57-72
Author(s):  
K. Dawa ◽  
H. Ahmed ◽  
M. Fekry
Keyword(s):  
Salicylic Acid ◽  
Common Bean ◽  
Vegetative Growth ◽  
Foliar Application ◽  
Chemical Constituents ◽  
Growth Yield

scholarly journals EFFECT OF FOLIAR APPLICATION OF ZINK AND SALICYLIC ACID ON VEGETATIVE GROWTH AND YIELD CHARACTERISTICS OF HALAWANI GRAPE CULTIVAR (Vitis vinifera L.)

2021 ◽  
Vol 52 (4) ◽  
pp. 989-998
Author(s):  
Sh. M. M. Al-Atrushy
Keyword(s):  
Salicylic Acid ◽  
Vegetative Growth ◽  
Foliar Application ◽  
Chemical Properties ◽  
Growth Yield ◽  
Growth And Yield ◽  
Control Treatment ◽  
Vitis Vinifera L ◽  
High Concentration ◽  
Grapevine Cultivar

THis investigation aimed to study the effect of foliar application with zinc alone or in combination with salicylic acid on vegetative growth, yield, physical and chemical properties of Halawani grapevine cultivar during two successive seasons (2017 and 2018). Zinc was used at concentration of 2 and 4 g.L-1 in a chelated form and salicylic acid at concentration of (50, 100 and 150 mg. L-1) in addition to control treatment for each of them. The result obtained proved that all parameters such as leaf area, total chlorophyll, number and weight of cluster, yield, berries size and weight, as soon as TSS, total sugar, juice percentage and density, β-carotenes, Zn, N. proline content of leaves were increased significantly as compared with control, while total acidity and total phenols were decreased by all treatments as compared with control. Furthermore, combination between high concentration of zinc and salicylic acid improved all parameters in comparison with the control.

scholarly journals The Effect of Salicylic Acid on the Performances of Salt Stressed Strawberry Plants, Enzymes Activity, and Salt Tolerance Index

Agronomy ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 775
Author(s):  
Alaa El-Den Roshdy ◽  
Abdullah Alebidi ◽  
Khalid Almutairi ◽  
Rashid Al-Obeed ◽  
Ahmed Elsabagh
Keyword(s):  
Salicylic Acid ◽  
Foliar Application ◽  
Growth Yield ◽  
Tolerance Index ◽  
Mean Values ◽  
Enzymes Activity ◽  
Salinity Response ◽  
Negative Effect ◽  
Positive Treatment ◽  
Salt Tolerance Index

The influence of salicylic acid (SA) on growth, yield, fruits’ quality and enzymes’ activities was monitored in strawberry plants cv. Camarosa grown under salinity stress via two pot experiments in two successive years of 2018 and 2019. The examined concentrations of SA were 30, 60, and 90 ppm, which foliary applied in addition to control (sprayed with water), while the used levels of salinity were 20, and 40 mM as NaCl as irrigation application in addition to control (without salinity). The results showed a significant effect of salinity at 40 mM where the mean values of shoot fresh and dry weights, chlorophyll, leaves’ NPK, yield plant−1, yield ha−1, and fruits’ ascorbic acid were significantly decreased. However, the 40 mM salinity resulted in a significant increase in leaves’ content of Na and proline as well as catalase (CAT) and peroxidase (POD) enzymes’ activity and the fruits’ TSS and acidity. The application with 90 ppm SA was found to be the most significant positive treatment for all of the studied characters except the Na leaves’ content. Regarding tolerance index percentages (STI%), the high values of CAT, POD, and proline referred to the ability to use them as indicators for strawberry salinity response in other physiological and plant breeding studies. The findings of this study suggest that the 90 ppm SA foliar application can ameliorate the negative effect of salinity on the growth of strawberry cv. Camarosa.

scholarly journals Silicon Supplied via Root or Leaf Relieves Potassium Deficiency Effects in Common Bean

2021 ◽  
Author(s):  
Marcilene Machado dos Santos Sarah ◽  
Renato de Mello Prado ◽  
Jonas Pereira de Souza Júnior ◽  
Gelza Carliane Marques Teixeira ◽  
João Carlos dos Santos Duarte ◽  
...  
Keyword(s):  
Common Bean ◽  
Nutrient Solution ◽  
Vegetative Growth ◽  
Photosynthetic Activity ◽  
Foliar Application ◽  
Foliar Spray ◽  
Bean Plants ◽  
K Deficiency ◽  
Use Efficiency ◽  
And Control

Abstract Potassium (K) deficiency affects physiological performance and decreasing vegetative growth in common bean plants. However, silicon (Si) supplied via nutrient solution or foliar application may relieve nutritional stress. Thus, two experiments were carried out: initially, a test was performed to determine the best source and concentration of leaf-applied Si. Subsequently, the chosen Si source was applied via nutrient solution or via leaf to verify if it is efficient in alleviating the effects caused by K deficiency. To that end, a completely randomized 2 x 3 factorial design was used, with two levels of K: deficient (0.2 mmol L− 1 of K) and sufficient (6 mmol L− 1 of K); and Si: via nutrient solution (2 mmol L− 1 of Si) or foliar spray (5.4 mmol L− 1 of Si) and control (0 mmol L− 1 of Si). In the first experiment, foliar spraying with sodium silicate and stabilized potassium at a concentration of 5.4 mmol L− 1 was better in favoring the physiology of bean plants. In the second experiment, K deficiency without the addition of Si compromised the plant's growth. Si applied through nutrient solution or foliar spray relieved K deficiency stress, increasing chlorophylls and carotenoids content, photosynthetic activity, water use efficiency and vegetative growth.

scholarly journals Use of some biostimulants to improve the growth and chemical constituents of sweet pepper

10.5219/1131 ◽  
2019 ◽  
Vol 13 (1) ◽  
pp. 553-561
Author(s):  
Rabab Maraei ◽  
Noha Eliwa ◽  
Amina Aly
Keyword(s):  
Organic Acids ◽  
Fulvic Acid ◽  
Vegetative Growth ◽  
Foliar Application ◽  
Chemical Constituents ◽  
Chemical Properties ◽  
Sweet Pepper ◽  
Physical And Chemical ◽  
Better Than ◽  
And Chemical Properties

The experiment was conducted during two successive seasons 2016 and 2017 on sweet pepper plants to study the effect of foliar application of some natural extracts (fulvic acid at 2, 4 and 6% or algae at 1, 2 and 4 g.L-1) were applied three times along each season (after 2, 4 and 6 weeks of planting). The influence was evaluated through the response of vegetative growth, and some physical and chemical characteristics of sweet pepper fruits. The results obtained showed that the algae extract at 1 g.L-1 in most cases was better than the other spray treatments investigated to improve most fruit characteristics (length, diameter and yield of fruits), vegetative growth, and chemical properties followed by 6% fulvic acid. With regard to organic acids, malic and citric acids are the main organic acids found in sweet pepper. Malic, succinic and glutaric acids were higher in 1 g.L-1 algae extract treatment, but the concentration of citric acid was higher in 6% fulvic acid treatment. Therefore, algae extract and fulvic acid could be safely recommended as a natural biostimulants application for improving most desirable characteristics of sweet pepper grown under the same experimental condition.

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