Influence of Nano-silicon Treatment on Growth Behavior of ‘Sukkary’ and ‘Gahrawy’ Mango Root-stocks Under Salinity Stress
El-Dengawy, E., EL-Abbasy, U., El-Gobba, M. (2021). Influence of Nano-silicon Treatment on Growth Behavior of ‘Sukkary’ and ‘Gahrawy’ Mango Root-stocks Under Salinity Stress. EKB Journal Management System, 12(1), 49-61. doi: 10.21608/jpp.2021.152020
E. F. A. El-Dengawy; U. K. EL-Abbasy; Mervat H. El-Gobba. "Influence of Nano-silicon Treatment on Growth Behavior of ‘Sukkary’ and ‘Gahrawy’ Mango Root-stocks Under Salinity Stress". EKB Journal Management System, 12, 1, 2021, 49-61. doi: 10.21608/jpp.2021.152020
El-Dengawy, E., EL-Abbasy, U., El-Gobba, M. (2021). 'Influence of Nano-silicon Treatment on Growth Behavior of ‘Sukkary’ and ‘Gahrawy’ Mango Root-stocks Under Salinity Stress', EKB Journal Management System, 12(1), pp. 49-61. doi: 10.21608/jpp.2021.152020
El-Dengawy, E., EL-Abbasy, U., El-Gobba, M. Influence of Nano-silicon Treatment on Growth Behavior of ‘Sukkary’ and ‘Gahrawy’ Mango Root-stocks Under Salinity Stress. EKB Journal Management System, 2021; 12(1): 49-61. doi: 10.21608/jpp.2021.152020

Influence of Nano-silicon Treatment on Growth Behavior of ‘Sukkary’ and ‘Gahrawy’ Mango Root-stocks Under Salinity Stress

Journal of Plant Production
Article 7, Volume 12, Issue 1, January 2021, Page 49-61  XML PDF (867.47 K)
Document Type: Original Article
DOI: 10.21608/jpp.2021.152020
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Authors
E. F. A. El-Dengawy email 1; U. K. EL-Abbasy2; Mervat H. El-Gobba1
1Pomology Department, Faculty of Agriculture, Damietta University, Egypt
2Pomology Department, Faculty of Agriculture, Tanta University, Egypt
Abstract
The experiment was carried out in two consecutive seasons (2017/18 and 2018/19) on ‘Sukkary’ and ‘Gahrawy’ mango root-stocks seedlings and the purpose of the research was to investigate the effectiveness of applying Nano-silica to increase the tolerance of ‘Gahrawy’ and ‘Sukkary’ mango rootstocks. The tested treatments were tap water irrigation (TWI),TWI and spraying Nano silicon (SNSi) at 1.0g/L,Sea water irrigation (SWI) at 1750ppm, SWI at 1750ppm and SNSi, SWI at 3500ppm, and SWI at 3500ppm and SNSi. Foliar sprays of Nano-silicon were done four times;the first at the beginning of the experiment, and then three times at 45-days intervals.The effect of treatments on the behavior of the seedlings of the two rootstocks including vegetative characteristics (new leaf area, seedling height increase%, seedling stem diameter increase, root length and width, number of lateral and secondary roots and root growth coefficient), physiological parameter "Leaf pigments, total phenols and soluble carbohydrates contents",leaf mineral contents " N, P, K, Na, Ca and Mg" and Non-enzymatic antioxidants"proline content and DPPH” as well as salinity symptoms parameters were studied. Increasing levels of salinity caused a decrease in most parameters and an increase in the sodium and proline content, and salinity symptoms of the leaves. Irrigation with salty water at 1750ppm together with foliar spraying Nano-silicon enhanced leaf content of pigments, soluble carbohydrate and total phenols, Mg, N, P, K and decreasing of salinity symptoms parameters.The results confirmed that the effects of Nano-silicon on the behavior of treated seedlings differ according to the variety under salinity conditions.
Keywords
Mango seedlings; Salinity stress; Nano-Silicon; Physiological and salinity symptoms parameters; antioxidants
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