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001-es BibID:BIBFORM114237
035-os BibID:(WoS)001060058900001 (Scopus)85168915168
Első szerző:Alharbi, Khadiga
Cím:Zinc oxide nanoparticles and PGPR strengthen salinity tolerance and productivity of wheat irrigated with saline water in sodic-saline soil / Khadiga Alharbi, Emad M. Hafez, Alaa El-Dein Omara, Emadelden Rashwan, Tarek Alshaal
Dátum:2023
ISSN:0032-079X 1573-5036
Tárgyszavak:Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Nano-size
Soil salinity
Saline water
Soil enzymes
Nutrient use efciency
Defense system
Megjelenés:Plant And Soil. - [Epub] (2023), p. 1-21. -
További szerzők:Hafez, Emad M. Omara, Alaa El-Dein Rashwan, Emadeldeen Alshaal, Tarek Ali Ahmed Ibrahim (1980-) (Soil Scientist)
Pályázati támogatás:TKP2021-EGA-20
Egyéb
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2.

001-es BibID:BIBFORM107514
035-os BibID:(cikkazonosító)2026 (WOS)000838905900001 (Scopus)85136912825
Első szerző:Alharbi, Khadiga
Cím:Application of Silica Nanoparticles in Combination with Two Bacterial Strains Improves the Growth, Antioxidant Capacity and Production of Barley Irrigated with Saline Water in Salt-Affected Soil / Khadiga Alharbi, Emadeldeen Rashwan, Hossam Hussein Mohamed, Abdelmoniem Awadalla, Alaa El-Dein Omara, Emad M. Hafez, Tarek Alshaal
Dátum:2022
ISSN:2223-7747
Megjegyzések:Exploitation of low-quality water or irrigation of field crops with saline water in salt-affected soil is a critical worldwide challenge that rigorously influences agricultural productivity and sustainability, especially in arid and semiarid zones with limited freshwater resources. Therefore, we investigated a synergistic amendment strategy for salt-affected soil using a singular and combined application of plant growth-promoting rhizobacteria (PGPR at 950 g ha(-1); Azotobacter chroococcum SARS 10 and Pseudomonas koreensis MG209738) and silica nanoparticles (SiNPs) at 500 mg L-1 to mitigate the detrimental impacts of irrigation with saline water on the growth, physiology, and productivity of barley (Hordum vulgare L.), along with soil attributes and nutrient uptake during 2019/2020 and 2020/2021. Our field trials showed that the combined application of PGPR and SiNPs significantly improved the soil physicochemical properties, mainly by reducing the soil exchangeable sodium percentage. Additionally, it considerably enhanced the microbiological counts (i.e., bacteria, azotobacter, and bacillus) and soil enzyme activity (i.e., urease and dehydrogenase) in both growing seasons compared with the control. The combined application of PGPR and SiNPs alleviated the detrimental impacts of saline water on barley plants grown in salt-affected soil compared to the single application of PGPR or SiNPs. The marked improvement was due to the combined application of PGPR and SiNPs, which enhanced the physiological properties (e.g., relative chlorophyll content (SPAD), relative water content (RWC), stomatal conductance, and K/Na ratio), enzyme activity (superoxide dismutase (SOD), catalase (CAT), and peroxidase (POX)), and yield and yield-related traits and nutrient uptake (N, P, and K) of barley plants. Moreover, the Na+ content, hydrogen peroxide (H2O2) content, lipid peroxidation (MDA), electrolyte leakage (EL), and proline content were reduced upon the application of PGPR + SiNPs. These results could be important information for cultivating barley and other cereal crops in salt-affected soil under irrigation with saline water.
Tárgyszavak:Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
cereal crops
nanoparticles
PGPR
plant defense system
yield
salinity
irrigation
Megjelenés:Plants-Basel. - 11 : 15 (2022), p. 1-23. -
További szerzők:Rashwan, Emadeldeen Mohamed, Hossam Hussein Awadalla, Abdelmoniem Omara, Alaa El-Dein Hafez, Emad M. Alshaal, Tarek Ali Ahmed Ibrahim (1980-) (Soil Scientist)
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3.

001-es BibID:BIBFORM107501
035-os BibID:(cikkazonosító)3016 (WOS)000887578700001 (Scopus)85142637501
Első szerző:Alharbi, Khadiga
Cím:Potassium Humate and Plant Growth-Promoting Microbes Jointly Mitigate Water Deficit Stress in Soybean Cultivated in Salt-Affected Soil / Khadiga Alharbi, Emadeldeen Rashwan, Emad Hafez, Alaa El-Dein Omara, Hossam Hussein Mohamed, Tarek Alshaal
Dátum:2022
ISSN:2223-7747
Megjegyzések:Lack of high-quality irrigation water and soil salinity are two main environmental factors that affect plant development. When both stressors are combined, the soil becomes sterile and constrains plant productivity. Consequently, two field trials were designed to assess whether plant growth-promoting microbes (PGPMs; Bradyrhizobium japonicum (USDA 110) and Trichoderma harzianum) and potassium humate (K-humate) can stimulate soybean growth, productivity, and seed quality under two different watering regimes as follows: (i) well-watered (WW), where plants were irrigated at 12-day intervals (recommended), and (ii) water stress (WS), where plants were irrigated at the 18-day intervals in salt-affected soil during 2020 and 2021 seasons. Results revealed that coupled application of PGPMs and K-humate resulted in a substantial improvement in K+ levels in the leaves compared to Na+ levels, which has a direct positive impact on an enhancement in the antioxidants defense system (CAT, PDX, SOD), which caused the decline of the oxidative stress indicators (H2O2 , MDA, and EL%) as well as proline content under water stress in salt-affected soil. Hence, a significant increase in root length, nodule weight, soybean relative water content (RWC), stomatal conductance, photosynthetic pigments, net photosynthetic rate, soluble protein, seed carbohydrate content as well as the number of pods plant(-1 )and seed yield was reported. In conclusion, the combined application of PGPMs and K-humate might be recommended to maximize the soybean growth and productivity under harsh growth conditions (e.g., water stress and soil salinity).
Tárgyszavak:Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Glycine max
PGPMs
plant growth stimulants
oxidative stress
antioxidant enzymes
watering regimes
soil salinity
Megjelenés:Plants-Basel. - 11 : 22 (2022), p. 1-22. -
További szerzők:Rashwan, Emadeldeen Hafez, Emad M. Omara, Alaa El-Dein Mohamed, Hossam Hussein Alshaal, Tarek Ali Ahmed Ibrahim (1980-) (Soil Scientist)
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4.

001-es BibID:BIBFORM107508
035-os BibID:(cikkazonosító)872 (WOS)000781331100001 (Scopus)85126943222
Első szerző:El-Shamy, Moshira A.
Cím:Quinoa response to application of phosphogypsum and plant growth-promoting Rhizobacteria under water stress associated with salt-affected soil / Moshira A. El-Shamy, Tarek Alshaal, Mohamed Hossam Hussein, Asmaa M. S. Rady, Emad M. Hafez, Abdullah S. Alsohim, Diaa Abd El-Moneim
Dátum:2022
ISSN:2223-7747
Megjegyzések:The aim of the study was to estimate the impact of soil amendments (i.e., phosphogypsum and plant growth-promoting rhizobacteria (PGPR)) separately or their combination on exchangeable sodium percentage (ESP), soil enzymes' activity (urease and dehydrogenase), pigment content, relative water content (RWC), antioxidant enzymatic activity, oxidative stress, productivity, and quality of quinoa under deficient irrigation conditions in two field experiments during the 2019?2020 and 2020?2021 seasons under salt-affected soil. Results revealed that ESP, soil urease activity, soil dehydrogenase activity, leaf chlorophyll a, b, and carotenoids, leaf K content, RWC, SOD (superoxide dismutase), CAT (catalase), and POD (peroxidase) activities were declined, resulting in overproduction of leaf Na content, proline content, and oxidative stress indicators (H2O2, malondialdehyde (MDA) and electrolyte leakage) under water stress and soil salinity, which negatively influence yieldrelated traits, productivity, and seed quality of quinoa. However, amendment of salt-affected soil with combined phosphogypsum and seed inoculation with PGPR under deficient irrigation conditions was more effective than singular application and control plots in ameliorating the harmful effects of water stress and soil salinity. Additionally, combined application limited Na uptake in leaves and increased K uptake and leaf chlorophyll a, b, and carotenoids as well as improved SOD, CAT, and POD activities to ameliorate oxidative stress indicators (H2O2, MDA, and electrolyte leakage), which eventually positively reflected on productivity and quality in quinoa. We conclude that the potential utilization of phosphogypsum and PGPR are very promising as sustainable eco-friendly strategies to improve quinoa tolerance to water stress under soil salinity.
Tárgyszavak:Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
soil amendments
drought
soil salinity
quinoa
antioxidant enzymatic activity
Megjelenés:Plants-Basel. - 11 : 7 (2022), p. 1-26. -
További szerzők:Alshaal, Tarek Ali Ahmed Ibrahim (1980-) (Soil Scientist) Mohamed, Hossam Hussein Rady, Asmaa M. S. Hafez, Emad M. Alsohim, Abdullah S. Abd El-Moneim, Diaa
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5.

001-es BibID:BIBFORM107515
035-os BibID:(cikkazonosító)1960 (WOS)000701576300001 (Scopus)85115226192
Első szerző:Nehela, Yasser
Cím:The integrated amendment of sodic-saline soils using biochar and plant growth-promoting Rhizobacteria enhances maize (Zea mays L.) resilience to water salinity / Yasser Nehela, Yasser S. A. Mazrou, Tarek Alshaal, Asmaa M. S. Rady, Ahmed M. A. El-Sherif, Alaa El-Dein Omara, Ahmed M. Abd El-Monem, Emad M. Hafez
Dátum:2021
ISSN:2223-7747
Megjegyzések:The utilization of low-quality water or slightly saline water in sodic-saline soil is a major global conundrum that severely impacts agricultural productivity and sustainability, particularly in arid and semiarid regions with limited freshwater resources. Herein, we proposed an integrated amendment strategy for sodic-saline soil using biochar and/or plant growth-promoting rhizobacteria (PGPR; Azotobacter chroococcum SARS 10 and Pseudomonas koreensis MG209738) to alleviate the adverse impacts of saline water on the growth, physiology, and productivity of maize (Zea mays L.), as well as the soil properties and nutrient uptake during two successive seasons (2018 and 2019). Our field experiments revealed that the combined application of PGPR and biochar (PGPR + biochar) significantly improved the soil ecosystem and physicochemical properties and K+, Ca-2(+), and Mg-2(+) contents but reduced the soil exchangeable sodium percentage and Na+ content. Likewise, it significantly increased the activity of soil urease (158.14 +/- 2.37 and 165.51 +/- 3.05 mg NH4+ g(-1) dry soil d(-1)) and dehydrogenase (117.89 +/- 1.86 and 121.44 +/- 1.00 mg TPF g(-1) dry soil d(-1)) in 2018 and 2019, respectively, upon irrigation with saline water compared with non-treated control. PGPR + biochar supplementation mitigated the hazardous impacts of saline water on maize plants grown in sodic-saline soil better than biochar or PGPR individually (PGPR + biochar > biochar > PGPR). The highest values of leaf area index, total chlorophyll, carotenoids, total soluble sugar (TSS), relative water content, K+ and K+/Na+ of maize plants corresponded to PGPR + biochar treatment. These findings could be guidelines for cultivating not only maize but other cereal crops particularly in salt-affected soil and sodic-saline soil.
Tárgyszavak:Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
salinity
sodicity
K+/Na+
soil enzymes
ESP
water productivity
maize
saline water
Megjelenés:Plants-Basel. - 10 : 9 (2021), p. 1-21. -
További szerzők:Mazrou, Yasser S. A. Alshaal, Tarek Ali Ahmed Ibrahim (1980-) (Soil Scientist) Rady, Asmaa M. S. El-Sherif, Ahmed M. A. Omara, Alaa El-Dein Abd El-Monem, Ahmed M. Hafez, Emad M.
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