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Kumar D, Ali M, Sharma N, Sharma R, Manhas RK, Ohri P. Unboxing PGPR-mediated management of abiotic stress and environmental cleanup: what lies inside? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-34157-1. [PMID: 38992305 DOI: 10.1007/s11356-024-34157-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 06/24/2024] [Indexed: 07/13/2024]
Abstract
Abiotic stresses including heavy metal toxicity, drought, salt and temperature extremes disrupt the plant growth and development and lowers crop output. Presence of environmental pollutants further causes plants suffering and restrict their ability to thrive. Overuse of chemical fertilizers to reduce the negative impact of these stresses is deteriorating the environment and induces various secondary stresses to plants. Therefore, an environmentally friendly strategy like utilizing plant growth-promoting rhizobacteria (PGPR) is a promising way to lessen the negative effects of stressors and to boost plant growth in stressful conditions. These are naturally occurring inhabitants of various environments, an essential component of the natural ecosystem and have remarkable abilities to promote plant growth. Furthermore, multifarious role of PGPR has recently been widely exploited to restore natural soil against a range of contaminants and to mitigate abiotic stress. For instance, PGPR may mitigate metal phytotoxicity by boosting metal translocation inside the plant and changing the metal bioavailability in the soil. PGPR have been also reported to mitigate other abiotic stress and to degrade environmental contaminants remarkably. Nevertheless, despite the substantial quantity of information that has been produced in the meantime, there has not been much advancement in either the knowledge of the processes behind the alleged positive benefits or in effective yield improvements by PGPR inoculation. This review focuses on addressing the progress accomplished in understanding various mechanisms behind the protective benefits of PGPR against a variety of abiotic stressors and in environmental cleanups and identifying the cause of the restricted applicability in real-world.
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Affiliation(s)
- Deepak Kumar
- Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, Punjab, India
| | - Mohd Ali
- Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, Punjab, India
| | - Nandni Sharma
- Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, Punjab, India
| | - Roohi Sharma
- Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, Punjab, India
| | - Rajesh Kumari Manhas
- Department of Microbiology, Guru Nanak Dev University, Amritsar, 143005, Punjab, India
| | - Puja Ohri
- Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, Punjab, India.
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Ehtaiwesh A, Sunoj VSJ, Djanaguiraman M, Prasad PVV. Response of winter wheat genotypes to salinity stress under controlled environments. FRONTIERS IN PLANT SCIENCE 2024; 15:1396498. [PMID: 38978515 PMCID: PMC11228282 DOI: 10.3389/fpls.2024.1396498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 05/30/2024] [Indexed: 07/10/2024]
Abstract
This study was conducted in controlled environmental conditions to systematically evaluate multi-traits responses of winter wheat (Triticum aestivum L.) genotypes to different salinity levels. Responses were assessed at the germination to early seedling stage (Experiment 1). Seeds of different genotypes (n=292) were subjected to three salinity levels (0 [control], 60, and 120 mM NaCl). Principal Component Analysis (PCA) revealed that among studied traits seedling vigor index (SVI) contributed more towards the diverse response of genotypes to salinity stress. Based on SVI, eight contrasting genotypes assumed to be tolerant (Gage, Guymon, MTS0531, and Tascosa) and susceptible (CO04W320, Carson, TX04M410211) were selected for further physio-biochemical evaluation at the booting stage (Experiment 2) and to monitor grain yield. Higher level of salinity (120 mM NaCl) exposure at the booting stage increased thylakoid membrane damage, lipid peroxidation, sugars, proline, and protein while decreasing photosynthesis, chlorophyll index, starch, and grain yield. Based on grain yield, the assumed magnitude of the genotypic response shown in Experiment 1 was not analogous in Experiment 2. This indicates the necessity of individual screening of genotypes at different sensitive growth stages for identifying true salinity-tolerant and susceptible genotypes at a particular growth stage. However, based on higher grain yield and its least percentage reduction under higher salinity, Guymon and TX04M410211 were identified as tolerant, and Gage and CO04W320 as susceptible at the booting stage, and their biparental population can be used to identify genomic regions for booting stage-specific salinity response.
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Affiliation(s)
- Amal Ehtaiwesh
- Department of Agronomy, Crop Physiology Lab, 2004 Throckmorton Plant Science Center, Kansas State University, Manhattan, KS, United States
| | - V. S. John Sunoj
- Department of Agronomy, Crop Physiology Lab, 2004 Throckmorton Plant Science Center, Kansas State University, Manhattan, KS, United States
- Crop Eco-physiology, Texas A&M AgriLife Research and Extension Center, Uvalde, TX, United States
| | - Maduraimuthu Djanaguiraman
- Department of Agronomy, Crop Physiology Lab, 2004 Throckmorton Plant Science Center, Kansas State University, Manhattan, KS, United States
- Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore, India
| | - P. V. Vara Prasad
- Department of Agronomy, Crop Physiology Lab, 2004 Throckmorton Plant Science Center, Kansas State University, Manhattan, KS, United States
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Bounaouara F, Hidri R, Falouti M, Rabhi M, Abdelly C, Zorrig W, Slama I. Silicon mitigates salinity effects on sorghum-sudangrass ( Sorghum bicolor × Sorghum sudanense) by enhancing growth and photosynthetic efficiency. FUNCTIONAL PLANT BIOLOGY : FPB 2024; 51:FP24029. [PMID: 38902905 DOI: 10.1071/fp24029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 05/31/2024] [Indexed: 06/22/2024]
Abstract
The aim of this study was to investigate whether silicon (Si) supply was able to alleviate the harmful effects caused by salinity stress on sorghum-sudangrass (Sorghum bicolor ×Sorghum sudanense ), a species of grass raised for forage and grain. Plants were grown in the presence or absence of 150mM NaCl, supplemented or not with Si (0.5mM Si). Biomass production, water and mineral status, photosynthetic pigment contents, and gas exchange parameters were investigated. Special focus was accorded to evaluating the PSI and PSII. Salinity stress significantly reduced plant growth and tissue hydration, and led to a significant decrease in all other studied parameters. Si supply enhanced whole plant biomass production by 50%, improved water status, decreased Na+ and Cl- accumulation, and even restored chlorophyll a , chlorophyll b , and carotenoid contents. Interestingly, both photosystem activities (PSI and PSII) were enhanced with Si addition. However, a more pronounced enhancement was noted in PSI compared with PSII, with a greater oxidation state upon Si supply. Our findings confirm that Si mitigated the adverse effects of salinity on sorghum-sudangrass throughout adverse approaches. Application of Si in sorghum appears to be an efficient key solution for managing salt-damaging effects on plants.
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Affiliation(s)
- Farah Bounaouara
- Laboratory of Extremophile Plants, Centre of Biotechnology of Borj-Cedria, P. O. Box 901, Hammam-Lif 2050, Tunisia
| | - Rabaa Hidri
- Laboratory of Extremophile Plants, Centre of Biotechnology of Borj-Cedria, P. O. Box 901, Hammam-Lif 2050, Tunisia
| | - Mohammed Falouti
- Laboratory of Extremophile Plants, Centre of Biotechnology of Borj-Cedria, P. O. Box 901, Hammam-Lif 2050, Tunisia
| | - Mokded Rabhi
- Laboratory of Extremophile Plants, Centre of Biotechnology of Borj-Cedria, P. O. Box 901, Hammam-Lif 2050, Tunisia; and Department of Plant Production, College of Agriculture and Food, Qassim University, Buraydah, Saudi Arabia
| | - Chedly Abdelly
- Laboratory of Extremophile Plants, Centre of Biotechnology of Borj-Cedria, P. O. Box 901, Hammam-Lif 2050, Tunisia
| | - Walid Zorrig
- Laboratory of Extremophile Plants, Centre of Biotechnology of Borj-Cedria, P. O. Box 901, Hammam-Lif 2050, Tunisia
| | - Inès Slama
- Laboratory of Extremophile Plants, Centre of Biotechnology of Borj-Cedria, P. O. Box 901, Hammam-Lif 2050, Tunisia
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Tritean N, Trică B, Dima ŞO, Capră L, Gabor RA, Cimpean A, Oancea F, Constantinescu-Aruxandei D. Mechanistic insights into the plant biostimulant activity of a novel formulation based on rice husk nanobiosilica embedded in a seed coating alginate film. FRONTIERS IN PLANT SCIENCE 2024; 15:1349573. [PMID: 38835865 PMCID: PMC11148368 DOI: 10.3389/fpls.2024.1349573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 04/17/2024] [Indexed: 06/06/2024]
Abstract
Seed coating ensures the targeted delivery of various compounds from the early stages of development to increase crop quality and yield. Silicon and alginate are known to have plant biostimulant effects. Rice husk (RH) is a significant source of biosilica. In this study, we coated mung bean seeds with an alginate-glycerol-sorbitol (AGS) film with embedded biogenic nanosilica (SiNPs) from RH, with significant plant biostimulant activity. After dilute acid hydrolysis of ground RH in a temperature-controlled hermetic reactor, the resulting RH substrate was neutralized and calcined at 650°C. The structural and compositional characteristics of the native RH, the intermediate substrate, and SiNPs, as well as the release of soluble Si from SiNPs, were investigated. The film for seed coating was optimized using a mixture design with three factors. The physiological properties were assessed in the absence and the presence of 50 mM salt added from the beginning. The main parameters investigated were the growth, development, metabolic activity, reactive oxygen species (ROS) metabolism, and the Si content of seedlings. The results evidenced a homogeneous AGS film formation embedding 50-nm amorphous SiNPs having Si-O-Si and Si-OH bonds, 0.347 cm3/g CPV (cumulative pore volume), and 240 m2/g SSA (specific surface area). The coating film has remarkable properties of enhancing the metabolic, proton pump activities and ROS scavenging of mung seedlings under salt stress. The study shows that the RH biogenic SiNPs can be efficiently applied, together with the optimized, beneficial alginate-based film, as plant biostimulants that alleviate saline stress from the first stages of plant development.
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Affiliation(s)
- Naomi Tritean
- National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM, Bucharest, Romania
- Faculty of Biology, University of Bucharest, Bucharest, Romania
| | - Bogdan Trică
- National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM, Bucharest, Romania
| | - Ştefan-Ovidiu Dima
- National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM, Bucharest, Romania
| | - Luiza Capră
- National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM, Bucharest, Romania
| | - Raluca-Augusta Gabor
- National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM, Bucharest, Romania
| | | | - Florin Oancea
- National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM, Bucharest, Romania
- Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine of Bucharest, Bucharest, Romania
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Ferrández-Gómez B, Jordá JD, Cerdán M, Sánchez-Sánchez A. Enhancing Salt Stress Tolerance in Tomato ( Solanum lycopersicum L.) through Silicon Application in Roots. PLANTS (BASEL, SWITZERLAND) 2024; 13:1415. [PMID: 38794485 PMCID: PMC11125711 DOI: 10.3390/plants13101415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 05/10/2024] [Accepted: 05/16/2024] [Indexed: 05/26/2024]
Abstract
Soil salinization poses a significant threat to agricultural productivity, necessitating innovative agronomic strategies to mitigate its impact. This study focuses on improving salt stress resistance in tomato plants through the application of silicon (Si) in roots. A greenhouse experiment was carried out under normal conditions (control, and 1 and 4 mM Si) and under salinity stress (salt control, and 1 and 4 mM Si). Various parameters were analyzed in leaves and roots. Under normal conditions, tomato plants grown in non-saline conditions exhibited some toxicity when exposed to Na2SiO3. As for the experiments under salt stress conditions, Si mitigated oxidative damage, preserving root cell membrane integrity. The concentration of malondialdehyde was reduced by 69.5%, that of proline was reduced by 56.4% and there was a 57.6% decrease in catalase activity for tomato plants treated with 1 mM Si under salt stress. Furthermore, Fe uptake and distribution, under salt conditions, increased from 91 to 123 mg kg-1, the same concentration as that obtained for the normal control. In all cases, the lower dose produced better results under normal conditions than the 4 mM dose. In summary, this research provides a potential application of Si in non-fertigated crop systems through a radicular pathway.
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Affiliation(s)
- Borja Ferrández-Gómez
- Department of Biochemistry and Molecular Biology, Edaphology and Agricultural Chemistry, University of Alicante, 03080 Alicante, Spain; (B.F.-G.); (J.D.J.); (M.C.)
| | - Juana D. Jordá
- Department of Biochemistry and Molecular Biology, Edaphology and Agricultural Chemistry, University of Alicante, 03080 Alicante, Spain; (B.F.-G.); (J.D.J.); (M.C.)
- Institute for Environmental Studies Ramon Margalef, University of Alicante, 03690 Alicante, Spain
| | - Mar Cerdán
- Department of Biochemistry and Molecular Biology, Edaphology and Agricultural Chemistry, University of Alicante, 03080 Alicante, Spain; (B.F.-G.); (J.D.J.); (M.C.)
| | - Antonio Sánchez-Sánchez
- Department of Biochemistry and Molecular Biology, Edaphology and Agricultural Chemistry, University of Alicante, 03080 Alicante, Spain; (B.F.-G.); (J.D.J.); (M.C.)
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Wang P, Zhang H, Hu X, Xu L, An X, Jin T, Ma R, Li Z, Chen S, Du S, Wei G, Chen C. Comparing the Potential of Silicon Nanoparticles and Conventional Silicon for Salinity Stress Alleviation in Soybean ( Glycine max L.): Growth and Physiological Traits and Rhizosphere/Endophytic Bacterial Communities. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:10781-10793. [PMID: 38709780 DOI: 10.1021/acs.jafc.4c00154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
In this study, 20-day-old soybean plants were watered with 100 mL of 100 mM NaCl solution and sprayed with silica nanoparticles (SiO2 NPs) or potassium silicate every 3 days over 15 days, with a final dosage of 12 mg of SiO2 per plant. We assessed the alterations in the plant's growth and physiological traits, and the responses of bacterial microbiome within the leaf endosphere, rhizosphere, and root endosphere. The result showed that the type of silicon did not significantly impact most of the plant parameters. However, the bacterial communities within the leaf and root endospheres had a stronger response to SiO2 NPs treatment, showing enrichment of 24 and 13 microbial taxa, respectively, compared with the silicate treatment, which led to the enrichment of 9 and 8 taxonomic taxa, respectively. The rhizosphere bacterial communities were less sensitive to SiO2 NPs, enriching only 2 microbial clades, compared to the 8 clades enriched by silicate treatment. Furthermore, SiO2 NPs treatment enriched beneficial genera, such as Pseudomonas, Bacillus, and Variovorax in the leaf and root endosphere, likely enhancing plant growth and salinity stress resistance. These findings highlight the potential of SiO2 NPs for foliar application in sustainable farming by enhancing plant-microbe interactions to improve salinity tolerance.
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Affiliation(s)
- Pan Wang
- State Key Laboratory of Crop Stress Resistance and High-Efficiency Production, Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Hui Zhang
- State Key Laboratory of Crop Stress Resistance and High-Efficiency Production, Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xiao Hu
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Leilei Xu
- State Key Laboratory of Crop Stress Resistance and High-Efficiency Production, Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xin An
- State Key Laboratory of Crop Stress Resistance and High-Efficiency Production, Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | | | - Ruixue Ma
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Zhefei Li
- State Key Laboratory of Crop Stress Resistance and High-Efficiency Production, Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Sanfeng Chen
- State Key Laboratory for Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Sen Du
- National Agro-Tech Extension and Service Center, Beijing 100125, China
| | - Gehong Wei
- State Key Laboratory of Crop Stress Resistance and High-Efficiency Production, Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Chun Chen
- State Key Laboratory of Crop Stress Resistance and High-Efficiency Production, Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Life Sciences, Northwest A&F University, Yangling 712100, Shaanxi, China
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Khan MM, Rahman MM, Hasan MM, Amin MF, Matin MQI, Faruq G, Alkeridis LA, Gaber A, Hossain A. Assessment of the salt tolerance of diverse bread wheat ( Triticum aestivum L.) genotypes during the early growth stage under hydroponic culture conditions. Heliyon 2024; 10:e29042. [PMID: 38601562 PMCID: PMC11004879 DOI: 10.1016/j.heliyon.2024.e29042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/12/2024] Open
Abstract
Objectives Soil salinity affects the growth of crop plants, leading to reduced productivity, and is a major challenge for wheat production worldwide. Various adaptations and mitigation approaches in combination with tolerant wheat genotypes can be useful for the sustainability of crop production in saline environments. However, the development of salt-tolerant wheat genotypes is one of the best and most efficient solutions for obtaining desirable yields. Considering these issues, an investigation was carried out under hydroponic nutrient culture conditions to assess the genetic variability and selection of salt-tolerant wheat genotypes by categorizing inequitable morphophysiological and genetic variability as well as multivariate analysis. Methods To meet the objectives of this study, 100 wheat genotypes were tested hydroponically in 0 (control) and 15 dS m-1 salt solutions. Conclusion For all the wheat genotypes grown under saline conditions, the shoot length (SL), root length (RL), shoot fresh weight (SFW), root fresh weight (RFW), total fresh weight (TFW), shoot dry weight (SDW), root dry weight (RDW), and total dry weight (TDW) decreased significantly. Furthermore, significant variation was observed among the genotypes in terms of their characteristics only under saline conditions. In the case of genetic diversity analysis, a high genotypic coefficient of variation (GCV), phenotypic coefficient of variation (PCV), genetic advance in the percentage of the mean (GAM) and high heritability (h2b) were recorded for all tested wheat genotypes based on the SDW, RDW and TDW. Correlation analysis for both genotypic and phenotypic relationships revealed strong positive correlations for TDW, SDW, TFW and SFW. Principal component analysis (PCA) revealed that TDW, TFW, SDW, and SFW were the most discriminative variables for the wheat genotypes, which was confirmed by discriminant function analysis (DFA). PCA-biplot analysis also revealed significant positive correlations between SDW and SFW and between TDW and TFW. Hierarchical cluster analysis was performed for ten clusters based on the relative performance of the genotypes, where the genotypes were characterized into salt-tolerant, medium-salt-tolerant, medium-salt-susceptible and salt-susceptible groups. Among the genotypes, G11, G25 and G29 under cluster VII were categorized as salt tolerant based on their outstanding performance in terms of characteristics only under saline conditions. D2 analysis proved that the wheat genotypes of this cluster were highly divergent from the other cluster genotypes; as a result, these genotypes might be utilized as parents in the development of salt-tolerant wheat genotypes. The current study concluded that SDW and TDW could be employed as criteria for selecting and defining salt-tolerant genotypes during the early growth stage of wheat.
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Affiliation(s)
- Md Mustafa Khan
- Regional Station, Bangladesh Wheat and Maize Research Institute, Gazipur, 1701, Bangladesh
| | - Md Mahbubur Rahman
- Regional Station, Bangladesh Wheat and Maize Research Institute, Gazipur, 1701, Bangladesh
| | - Md Mahamudul Hasan
- Regional Station, Bangladesh Wheat and Maize Research Institute, Gazipur, 1701, Bangladesh
| | - Mohammad Forhad Amin
- Regional Station, Bangladesh Wheat and Maize Research Institute, Gazipur, 1701, Bangladesh
| | | | - Golam Faruq
- Wheat Breeding Division, Bangladesh Wheat and Maize Research Institute, Nashipur, Dinajpur, 5200, Bangladesh
| | - Lamya Ahmed Alkeridis
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Ahmed Gaber
- Department of Genetics, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
- Department of Biology, Faculty of Science, Taif University, B.O. Box 11099, 21944, Taif, Saudi Arabia
| | - Akbar Hossain
- Soil Science Division, Bangladesh Wheat and Maize Research Institute, Nashipur, Dinajpur, 5200, Bangladesh
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Alsamadany H, Anayatullah S, Zia-ur-Rehman M, Usman M, Ameen T, Alharby HF, Alharbi BM, Abdulmajeed AM, Yong JWH, Rizwan M. Residual efficiency of iron-nanoparticles and different iron sources on growth, and antioxidants in maize plants under salts stress: life cycle study. Heliyon 2024; 10:e28973. [PMID: 38601603 PMCID: PMC11004812 DOI: 10.1016/j.heliyon.2024.e28973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/12/2024] Open
Abstract
Exogenous application of iron (Fe) may alleviate salinity stress in plants growing in saline soils. This comparative study evaluated the comparative residual effects of iron nanoparticles (FNp) with two other Fe sources including iron-sulphate (FS) and iron-chelate (FC) on maize (Zea mays L.) crop grown under salt stress. All three Fe sources were applied at the rate of 15 and 25 mg/kg of soil before the sowing of wheat (an earlier crop; following the sequence of crop rotation) and no further Fe amendments were added later for the maize crop. Results revealed that FNp application at 25 mg/kg (FNp-2) substantially increased maize height, root length, root dry weight, shoot dry weight, and grain weightby 80.7%, 111.1%, 45.7%, 59.5%, and 77.2% respectively, as compared to the normal controls; and 62.6%, 81.3%, 65.1%, 78%, and 61.2% as compared to salt-stressed controls, respectively. The FNp-2 treatment gave higher activities of antioxidant enzymes, such as superoxide dismutase, peroxidase, catalase, and ascorbate peroxidase compared to salt stressed control (50.6%, 51%, 48.5%, and 49.2%, respectively). The FNp-2 treatment also produced more photosynthetic pigments and better physiological markers: higher chlorophyll a contents by 49.9%, chlorophyll b contents by 67.2%, carotenoids by 62.5%, total chlorophyll contents by 50.3%, membrane stability index by 59.1%, leaf water relative contents by 60.3% as compared to salt stressed control. The highest Fe and Zn concentrations in maize roots, shoots, and grains were observed in FNp treatment as compared to salts stressed control. Higher application rates of Fe from all the sources also delivered better outcomes in alleviating salinity stress in maize compared to their respective low application rates. The study demonstrated that FNp application alleviated salinity stress, increased nutrient uptake and enhanced the yield of maize grown on saline soils.
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Affiliation(s)
- Hameed Alsamadany
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
- Plant Biology Research Group, Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Sidra Anayatullah
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Pakistan
| | - Muhammad Zia-ur-Rehman
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Pakistan
| | - Muhammad Usman
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Pakistan
| | - Talha Ameen
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Pakistan
| | - Hesham F. Alharby
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
- Plant Biology Research Group, Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Basmah M. Alharbi
- Biology Department, Faculty of Science, University of Tabuk, Tabuk, 71491, Saudi Arabia
| | - Awatif M. Abdulmajeed
- Biology Department, Faculty of Science, University of Tabuk, Umluj, 46429, Saudi Arabia
| | - Jean Wan Hong Yong
- Department of Biosystems and Technology, Swedish University of Agricultural Sciences, 23456, Alnarp, Sweden
| | - Muhammad Rizwan
- Department of Environmental Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan
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Shafiq H, Shani MY, Ashraf MY, De Mastro F, Cocozza C, Abbas S, Ali N, Zaib-un-Nisa, Tahir A, Iqbal M, Khan Z, Gul N, Brunetti G. Copper Oxide Nanoparticles Induced Growth and Physio-Biochemical Changes in Maize ( Zea mays L.) in Saline Soil. PLANTS (BASEL, SWITZERLAND) 2024; 13:1080. [PMID: 38674489 PMCID: PMC11054864 DOI: 10.3390/plants13081080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/26/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024]
Abstract
Research on nanoparticles (NPs) is gaining great attention in modulating abiotic stress tolerance and improving crop productivity. Therefore, this investigation was carried out to evaluate the effects of copper oxide nanoparticles (CuO-NPs) on growth and biochemical characteristics in two maize hybrids (YH-5427 and FH-1046) grown under normal conditions or subjected to saline stress. A pot-culture experiment was carried out in the Botanical Research Area of "the University of Lahore", Lahore, Pakistan, in a completely randomized design. At two phenological stages, both maize hybrids were irrigated with the same amount of distilled water or NaCl solution (EC = 5 dS m-1) and subjected or not to foliar treatment with a suspension of CuO-NPs. The salt stress significantly reduced the photosynthetic parameters (photosynthetic rate, transpiration, stomatal conductance), while the sodium content in the shoot and root increased. The foliar spray with CuO-NPs improved the growth and photosynthetic attributes, along with the N, P, K, Ca, and Mg content in the roots and shoots. However, the maize hybrid YH-5427 responded better than the other hybrid to the saline stress when sprayed with CuO-NPs. Overall, the findings of the current investigation demonstrated that CuO-NPs can help to reduce the adverse effects of salinity stress on maize plants by improving growth and physio-biochemical attributes.
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Affiliation(s)
- Hina Shafiq
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore 54590, Pakistan; (H.S.); (N.A.); (Z.-u.-N.)
| | - Muhammad Yousaf Shani
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nuclear Institute for Agriculture and Biology College (NIAB-C), Islamabad 45650, Pakistan;
- Plant Breeding and Genetics Division, Nuclear Institute for Agriculture and Biology (NIAB), Faisalabad 38000, Pakistan
| | - Muhammad Yasin Ashraf
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore 54590, Pakistan; (H.S.); (N.A.); (Z.-u.-N.)
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nuclear Institute for Agriculture and Biology College (NIAB-C), Islamabad 45650, Pakistan;
| | - Francesco De Mastro
- Department of Soil, Plant, and Food Sciences, University of Bari “Aldo Moro”, 70126 Bari, Italy; (C.C.); (G.B.)
| | - Claudio Cocozza
- Department of Soil, Plant, and Food Sciences, University of Bari “Aldo Moro”, 70126 Bari, Italy; (C.C.); (G.B.)
| | - Shahid Abbas
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38000, Pakistan; (S.A.); (M.I.)
| | - Naila Ali
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore 54590, Pakistan; (H.S.); (N.A.); (Z.-u.-N.)
| | - Zaib-un-Nisa
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore 54590, Pakistan; (H.S.); (N.A.); (Z.-u.-N.)
| | - Aqsa Tahir
- Department of Agricultural Engineering, National University of Sciences and Technology, Islamabad 45650, Pakistan;
| | - Muhammad Iqbal
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38000, Pakistan; (S.A.); (M.I.)
| | - Zafran Khan
- Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan; (Z.K.); (N.G.)
| | - Nimra Gul
- Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan; (Z.K.); (N.G.)
| | - Gennaro Brunetti
- Department of Soil, Plant, and Food Sciences, University of Bari “Aldo Moro”, 70126 Bari, Italy; (C.C.); (G.B.)
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10
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Perveen S, Padula MP, Safdar N, Abbas S. Functional annotation of proteins in Catharanthus roseus shoot cultures under biogenic zinc nanotreatment. PLANT MOLECULAR BIOLOGY 2024; 114:26. [PMID: 38459275 DOI: 10.1007/s11103-024-01432-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 02/21/2024] [Indexed: 03/10/2024]
Abstract
Nano-interactions are well known for their positive as well as negative impacts on the morphological and physiological systems of plants. Keeping in mind, the conformational changes in plant proteins as one of the key mechanisms for stress adaptation responses, the current project was designed to explore the effect of glutathione-capped and uncapped zinc nano-entities on Catharanthus roseus shoot cultures. Zinc nanotreatment (0.05 μg/mL) significantly induced ester production in C. roseus shoots as detected by Gas Chromatography-Mass spectrometry. These nanotreated shoots were further subjected to peptide-centric nano-LC-MS/MS analysis. Mass spectrometry followed by a Heat map revealed a significant effect of zinc nanoparticles on 59 distinct classes of proteins as compared to control. Proteins involved in regulating stress scavenging, transport, and secondary metabolite biosynthesis were robustly altered under capped zinc nanotreatment. UniProt database identified majority of the localization of the abundantly altered protein in cell membranes and chloroplasts. STRING and Cytoscape analysis assessed inter and intra coordination of triosephosphate isomerase with other identified proteins and highlighted its role in the regulation of protein abundance under applied stress. This study highlights the understanding of complex underlying mechanisms and regulatory networks involved in proteomic alterations and interactions within the plant system to cope with the nano-effect.
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Affiliation(s)
- Shaghufta Perveen
- Microbiology and Biotechnology Research Lab, Fatima Jinnah Women University, Rawalpindi, Pakistan
| | - Matthew P Padula
- School of Life Sciences, University of Technology Sydney (UTS), Sydney, NSW, Australia
| | - Naila Safdar
- Microbiology and Biotechnology Research Lab, Fatima Jinnah Women University, Rawalpindi, Pakistan.
| | - Sidra Abbas
- Microbiology and Biotechnology Research Lab, Fatima Jinnah Women University, Rawalpindi, Pakistan
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11
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Khan I, Awan SA, Rizwan M, Huizhi W, Ulhassan Z, Xie W. Silicon nanoparticles improved the osmolyte production, antioxidant defense system, and phytohormone regulation in Elymus sibiricus (L.) under drought and salt stress. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:8985-8999. [PMID: 38183551 DOI: 10.1007/s11356-023-31730-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 12/22/2023] [Indexed: 01/08/2024]
Abstract
Drought and salt stress negatively influence the growth and development of various plant species. Thus, it is crucial to overcome these stresses for sustainable agricultural production and the global food chain. Therefore, the present study investigated the potential effects of exogenous silicon nanoparticles (SiNPs) on the physiological and biochemical parameters, and endogenous phytohormone contents of Elymus sibiricus under drought and salt stress. Drought stress was given as 45% water holding capacity, and salt stress was given as 120 mM NaCl. The seed priming was done with different SiNP concentrations: SiNP1 (50 mg L-1), SiNP2 (100 mg L-1), SiNP3 (150 mg L-1), SiNP4 (200 mg L-1), and SiNP5 (250 mg L-1). Both stresses imposed harmful impacts on the analyzed parameters of plants. However, SiNP5 increased the chlorophylls and osmolyte accumulation such as total proteins by 96% and 110% under drought and salt stress, respectively. The SiNP5 significantly decreased the oxidative damage and improved the activities of SOD, CAT, POD, and APX by 10%, 54%, 104%, and 211% under drought and 42%, 75%, 72%, and 215% under salt stress, respectively. The SiNPs at all concentrations considerably improved the level of different phytohormones to respond to drought and salt stress and increased the tolerance of Elymus plants. Moreover, SiNPs decreased the Na+ and increased K+ concentrations in Elymus suggesting the reduction in salt ion accumulation under salinity stress. Overall, exogenous application (seed priming/dipping) of SiNPs considerably enhanced the physio-biochemical and metabolic responses, resulting in an increased tolerance to drought and salt stresses. Therefore, this study could be used as a reference to further explore the impacts of SiNPs at molecular and genetic level to mitigate abiotic stresses in forages and related plant species.
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Affiliation(s)
- Imran Khan
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, China
| | - Samrah Afzal Awan
- College of Agronomy, Sichuan Agricultural University, Chengdu, 611130, China
| | - Muhammad Rizwan
- Department of Environmental Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Wang Huizhi
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, China
| | - Zaid Ulhassan
- Institute of Crop Science, Ministry of Agriculture and Rural Affairs Laboratory of Spectroscopy Sensing, Zhejiang University, Hangzhou, 310058, China
| | - Wengang Xie
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, China.
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12
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Saini S, Sharma P, Singh P, Kumar V, Yadav P, Sharma A. Nitric oxide: An emerging warrior of plant physiology under abiotic stress. Nitric Oxide 2023; 140-141:58-76. [PMID: 37848156 DOI: 10.1016/j.niox.2023.10.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 09/05/2023] [Accepted: 10/09/2023] [Indexed: 10/19/2023]
Abstract
The natural environment of plants comprises a complex set of various abiotic stresses and their capability to react and survive under this anticipated changing climate is highly flexible and involves a series of balanced interactions between signaling molecules where nitric oxide becomes a crucial component. In this article, we focussed on the role of nitric oxide (NO) in various signal transduction pathways of plants and its positive impact on maintaining cellular homeostasis under various abiotic stresses. Besides this, the recent data on interactions of NO with various phytohormones to control physiological and biochemical processes to attain abiotic stress tolerance have also been considered. These crosstalks modulate the plant's defense mechanism and help in alleviating the negative impact of stress. While focusing on the diverse functions of NO, an effort has been made to explore the functions of NO-mediated post-translational modifications, such as the N-end rule pathway, tyrosine nitration, and S-nitrosylation which revealed the exact mechanism and characterization of proteins that modify various metabolic processes in stressed conditions. Considering all of these factors, the present review emphasizes the role of NO and its interlinking with various phytohormones in maintaining developmental processes in plants, specifically under unfavorable environments.
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Affiliation(s)
- Sakshi Saini
- Department of Botany, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Priyanka Sharma
- Department of Botany, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Pooja Singh
- Department of Botany, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Vikram Kumar
- Department of Botany, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Priya Yadav
- Department of Botany, Zakir Husain Delhi College, University of Delhi, New Delhi, India.
| | - Asha Sharma
- Department of Botany, Maharshi Dayanand University, Rohtak, 124001, Haryana, India.
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13
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Nie M, Ning N, Chen J, Zhang Y, Li S, Zheng L, Zhang H. Melatonin enhances salt tolerance in sorghum by modulating photosynthetic performance, osmoregulation, antioxidant defense, and ion homeostasis. Open Life Sci 2023; 18:20220734. [PMID: 37872968 PMCID: PMC10590611 DOI: 10.1515/biol-2022-0734] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/23/2023] [Accepted: 08/29/2023] [Indexed: 10/25/2023] Open
Abstract
Melatonin is a potent antioxidant that can prevent plant damage caused by adverse stresses. It remains unclear whether exogenous melatonin can mitigate the effects of salt stress on seed germination and seedling growth of sorghum (Sorghum bicolor (L.) Moench). The aim of this study was to decipher the protective mechanisms of exogenous melatonin (100 μmol/L) on sorghum seedlings under NaCl-induced salt stress (120 mmol/L). Plant morphological, photosynthetic, and physiological characteristics were analyzed at different timepoints after sowing. Results showed that salt stress inhibited seed germination, seedling growth, and plant biomass accumulation by reducing photosynthetic pigment contents, photosynthetic efficiency, root vigor, and mineral uptake. In contrast, seed priming with melatonin enhanced photosynthetic pigment biosynthesis, photosynthetic efficiency, root vigor, and K+ content under salt stress. Melatonin application additionally enhanced the activities of antioxidant enzymes (superoxide dismutase, catalase, ascorbate peroxidase, and glutathione reductase) and increased the levels of non-enzymatic antioxidants (reduced glutathione, ascorbic acid) in the leaves. These changes were accompanied by increase in the leaf contents of soluble sugars, soluble proteins, and proline, as well as decrease in hydrogen peroxide accumulation, malondialdehyde content, and electrolyte leakage. Our findings indicate that exogenous melatonin can alleviate salt stress-induced damage in sorghum seedlings through multifaceted mechanisms, such as improving photosynthetic performance and root vigor, facilitating ion homeostasis and osmoregulation, and promoting antioxidant defense and reactive oxygen species scavenging.
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Affiliation(s)
- Mengen Nie
- College of Agronomy, Shanxi Agricultural University, 81 Longcheng Street, Taiyuan, Shanxi, 030000, China
| | - Na Ning
- College of Resources Environment and Chemistry, Chuxiong Normal University, 546 Lucheng South Road, Chuxiong, Yunnan, 675000, China
| | - Jing Chen
- College of Agronomy, Shanxi Agricultural University, 81 Longcheng Street, Taiyuan, Shanxi, 030000, China
| | - Yizhong Zhang
- Shanxi Key Laboratory of Sorghum Genetic and Germplasm Innovation, Sorghum Research Institute, Shanxi Agricultural University,238 Yunhua West Street, Jinzhong, Shanxi, 030600, China
| | - Shuangshuang Li
- College of Resources Environment and Chemistry, Chuxiong Normal University, 546 Lucheng South Road, Chuxiong, Yunnan, 675000, China
| | - Lue Zheng
- College of Resources Environment and Chemistry, Chuxiong Normal University, 546 Lucheng South Road, Chuxiong, Yunnan, 675000, China
| | - Haiping Zhang
- Center for Agricultural Gene Resources Research, Shanxi Agricultural University, 81 Longcheng Street, Taiyuan, Shanxi, 030000, China
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Hussein MAA, Alqahtani MM, Alwutayd KM, Aloufi AS, Osama O, Azab ES, Abdelsattar M, Hassanin AA, Okasha SA. Exploring Salinity Tolerance Mechanisms in Diverse Wheat Genotypes Using Physiological, Anatomical, Agronomic and Gene Expression Analyses. PLANTS (BASEL, SWITZERLAND) 2023; 12:3330. [PMID: 37765494 PMCID: PMC10535590 DOI: 10.3390/plants12183330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/14/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023]
Abstract
Salinity is a widespread abiotic stress that devastatingly impacts wheat growth and restricts its productivity worldwide. The present study is aimed at elucidating biochemical, physiological, anatomical, gene expression analysis, and agronomic responses of three diverse wheat genotypes to different salinity levels. A salinity treatment of 5000 and 7000 ppm gradually reduced photosynthetic pigments, anatomical root and leaf measurements and agronomic traits of all evaluated wheat genotypes (Ismailia line, Misr 1, and Misr 3). In addition, increasing salinity levels substantially decreased all anatomical root and leaf measurements except sclerenchyma tissue upper and lower vascular bundle thickness compared with unstressed plants. However, proline content in stressed plants was stimulated by increasing salinity levels in all evaluated wheat genotypes. Moreover, Na+ ions content and antioxidant enzyme activities in stressed leaves increased the high level of salinity in all genotypes. The evaluated wheat genotypes demonstrated substantial variations in all studied characters. The Ismailia line exhibited the uppermost performance in photosynthetic pigments under both salinity levels. Additionally, the Ismailia line was superior in the activity of superoxide dismutase (SOD), catalase activity (CAT), peroxidase (POX), and polyphenol oxidase (PPO) enzymes followed by Misr 1. Moreover, the Ismailia line recorded the maximum anatomical root and leaf measurements under salinity stress, which enhanced its tolerance to salinity stress. The Ismailia line and Misr 3 presented high up-regulation of H+ATPase, NHX2 HAK, and HKT genes in the root and leaf under both salinity levels. The positive physiological, anatomical, and molecular responses of the Ismailia line under salinity stress were reflected on agronomic performance and exhibited superior values of all evaluated agronomic traits.
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Affiliation(s)
- Mohammed A. A. Hussein
- Department of Botany (Genetics), Faculty of Agriculture, Suez Canal University, Ismailia 41522, Egypt;
| | - Mesfer M. Alqahtani
- Department of Biological Sciences, Faculty of Science and Humanities, Shaqra University, Ad-Dawadimi 11911, Saudi Arabia;
| | - Khairiah M. Alwutayd
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Abeer S. Aloufi
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Omnia Osama
- Environmental Stress Lab (ESL), Agricultural Genetic Engineering Research Institute (AGERI), Agriculture Research Center (ARC), Giza 12619, Egypt;
| | - Enas S. Azab
- Agricultural Botany Department, Faculty of Agriculture, Suez Canal University, Ismailia 41522, Egypt;
| | - Mohamed Abdelsattar
- Agricultural Genetic Engineering Research Institute (AGERI), Agriculture Research Center (ARC), Giza 12619, Egypt;
| | - Abdallah A. Hassanin
- Genetics Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
| | - Salah A. Okasha
- Department of Agronomy, Faculty of Agriculture, Suez Canal University, Ismailia 41522, Egypt
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15
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Afridi GM, Ullah N, Ullah S, Nafees M, Khan A, Shahzad R, Jawad R, Adnan M, Liu K, Harrison MT, Saud S, Hassan S, Saleem MH, Shahwar D, Nawaz T, El-Kahtany K, Fahad S. Modulation of salt stress through application of citrate capped silver nanoparticles and indole acetic acid in maize. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 201:107914. [PMID: 37515893 DOI: 10.1016/j.plaphy.2023.107914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/27/2023] [Accepted: 07/24/2023] [Indexed: 07/31/2023]
Abstract
The present study was conducted to determine the effect of indole acetic acid (IAA) and Citrate Capped Silver Nanoparticles (Cit-AgNPs) on various attributes of maize under induced salinity stress. Seeds of the said variety were collected from Cereal Crop Research Institute (CCRI) Pirsabaq, Nowshera, sterilized and sown in earthen pots filled with 2 kg silt and soil (1:2) in triplicates in the green house of the Botany Department, University of Peshawar. Nanoparticles were analyzed by scanning electron microscopy (SEM), Energy Dispersive X-Ray Spectroscopy (EDX), Thermo-gravimetric analysis (TGA) and Differential thermal analysis (DTA). Results of SEM revealed spherical morphology of Cit-AgNPs while EDX showed various elemental composition. TGA showed dominant weight loss up to 300 °C while the DTA showed major exothermic peaks at 420 °C. High Salinity concentration (80 mM) imposed significant detrimental impacts by reducing the agronomic attributes, photosynthetic pigments, osmolytes and antioxidant enzymes, which was remarkably ameliorated by the foliar application of Cit-AgNPs and IAA. Agronomic attributes including leaf, root and shoot fresh and dry weight was improved by 52-74%, 43-69% and 36-79% in individual as well as combined treatments of IAA and NPs. Photosynthetic pigments were amplified by 35-63%, total osmolytes were augmented by 39-68% and antioxidant enzymes including SOD and POD were boosted by 42-57% and 37-62% respectively, in combined as well as individual application. Conclusively, Cit-AgNPs are considered as salt mitigating entities that enhance the tolerance level of crop plants along with IAA, which may be beneficial for the plants growing in saline stressed environment.
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Affiliation(s)
- Ghulam Mustafa Afridi
- Plant Physiology Lab., Department of Botany, University of Peshawar, 25120, Pakistan.
| | - Naseem Ullah
- Plant Physiology Lab., Department of Botany, University of Peshawar, 25120, Pakistan.
| | - Sami Ullah
- Plant Physiology Lab., Department of Botany, University of Peshawar, 25120, Pakistan.
| | - Muhammad Nafees
- Plant Physiology Lab., Department of Botany, University of Peshawar, 25120, Pakistan
| | - Abid Khan
- Department of Horticulture, The University of Haripur, Haripur, Khyber Pakhtunkhwa, 22620, Pakistan.
| | - Raheem Shahzad
- Department of Horticulture, The University of Haripur, Haripur, Khyber Pakhtunkhwa, 22620, Pakistan.
| | - Rashid Jawad
- Department of Horticulture, Ghazi University, Dera Ghazi Khan, 32260, Pakistan.
| | - Muhammad Adnan
- Department of Agriculture, University of Swabi, Pakistan.
| | - Ke Liu
- Tasmanian Institute of Agriculture, University of Tasmania, Burnie, 7250, Tasmania, Australia
| | - Matthew Tom Harrison
- Tasmanian Institute of Agriculture, University of Tasmania, Burnie, 7250, Tasmania, Australia
| | - Shah Saud
- College of Life Science, Linyi University, Linyi, Shandong, 276000, China.
| | - Shah Hassan
- Department of Agricultural Extension Education & Communication, The University of Agriculture, Peshawar, 25130, Khyber Pakhtunkhwa, Pakistan
| | - Muhammad Hamzah Saleem
- Office of Academic Research, Office of VP for Research & Graduate Studies, Qatar University, Doha, 2713, Qatar.
| | - Durri Shahwar
- School of Agriculture, Food and Ecosystem Sciences (SAFES), The University of Melbourne, Australia.
| | - Taufiq Nawaz
- Department of Biology/Microbiology, South Dakota State University, Brookings, SD, 57006, USA.
| | - Khaled El-Kahtany
- Geology and Geophysics Department, College of Science, King Saud University, PO Box 2455, Riyadh, 11451, Saudi Arabia
| | - Shah Fahad
- Geology and Geophysics Department, College of Science, King Saud University, PO Box 2455, Riyadh, 11451, Saudi Arabia; Department of Agronomy, Abdul Wali Khan University Mardan, Khyber Pakhtunkhwa, 23200, Pakistan.
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16
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Aouz A, Khan I, Chattha MB, Ahmad S, Ali M, Ali I, Ali A, Alqahtani FM, Hashem M, Albishi TS, Qari SH, Chatta MU, Hassan MU. Silicon Induces Heat and Salinity Tolerance in Wheat by Increasing Antioxidant Activities, Photosynthetic Activity, Nutrient Homeostasis, and Osmo-Protectant Synthesis. PLANTS (BASEL, SWITZERLAND) 2023; 12:2606. [PMID: 37514221 PMCID: PMC10385395 DOI: 10.3390/plants12142606] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 07/30/2023]
Abstract
Modern agriculture is facing the challenges of salinity and heat stresses, which pose a serious threat to crop productivity and global food security. Thus, it is necessary to develop the appropriate measures to minimize the impacts of these serious stresses on field crops. Silicon (Si) is the second most abundant element on earth and has been recognized as an important substance to mitigate the adverse effects of abiotic stresses. Thus, the present study determined the role of Si in mitigating adverse impacts of salinity stress (SS) and heat stress (HS) on wheat crop. This study examined response of different wheat genotypes, namely Akbar-2019, Subhani-2021, and Faisalabad-2008, under different treatments: control, SS (8 dSm-1), HS, SS + HS, control + Si, SS + Si, HS+ Si, and SS + HS+ Si. This study's findings reveal that HS and SS caused a significant decrease in the growth and yield of wheat by increasing electrolyte leakage (EL), malondialdehyde (MDA), and hydrogen peroxide (H2O2) production; sodium (Na+) and chloride (Cl-) accumulation; and decreasing relative water content (RWC), chlorophyll and carotenoid content, total soluble proteins (TSP), and free amino acids (FAA), as well as nutrient uptake (potassium, K; calcium, Ca; and magnesium, Mg). However, Si application offsets the negative effects of both salinity and HS and improved the growth and yield of wheat by increasing chlorophyll and carotenoid contents, RWC, antioxidant activity, TSP, FAA accumulation, and nutrient uptake (Ca, K, and Mg); decreasing EL, electrolyte leakage, MDA, and H2O2; and restricting the uptake of Na+ and Cl-. Thus, the application of Si could be an important approach to improve wheat growth and yield under normal and combined saline and HS conditions by improving plant physiological functioning, antioxidant activities, nutrient homeostasis, and osmolyte accumulation.
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Affiliation(s)
- Ansa Aouz
- Department of Agronomy, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan
| | - Imran Khan
- Department of Agronomy, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan
| | - Muhammad Bilal Chattha
- Department of Agronomy, Faculty of Agriculture Sciences, University of the Punjab, Lahore 54000, Pakistan
| | - Shahbaz Ahmad
- Department of Entomology, Faculty of Agriculture Sciences, University of the Punjab, Lahore 54000, Pakistan
| | - Muqarrab Ali
- Department of Agronomy, Muhammad Nawaz Shareef University of Agriculture, Multan 66000, Pakistan
| | - Iftikhar Ali
- School of Life Sciences & Center of Novel Biomaterials, The Chinese University of Hong Kong, Shatin, Hong Kong
- Department of Genetics and Development, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Abid Ali
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy
| | - Fatmah M Alqahtani
- Department of Biology, College of Science, King Khalid University, Abha 61413, Saudi Arabia
| | - Mohamed Hashem
- Department of Biology, College of Science, King Khalid University, Abha 61413, Saudi Arabia
| | - Tasahil S Albishi
- Biology Department, College of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Sameer H Qari
- Department of Biology, Al-Jumum University College, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Muhammad Umer Chatta
- Department of Agronomy, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan
| | - Muhammad Umair Hassan
- Research Center on Ecological Sciences, Jiangxi Agricultural University, Nanchang 330045, China
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17
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Rizwan A, Zia-Ur-Rehman M, Rizwan M, Usman M, Anayatullah S, Alharby HF, Bamagoos AA, Alharbi BM, Ali S. Effects of silicon nanoparticles and conventional Si amendments on growth and nutrient accumulation by maize (Zea mays L.) grown in saline-sodic soil. ENVIRONMENTAL RESEARCH 2023; 227:115740. [PMID: 36997044 DOI: 10.1016/j.envres.2023.115740] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 05/08/2023]
Abstract
Salinity is one of the major abiotic stresses in arid and semiarid climates which threatens the food security of the world. Present study had been designed to assess the efficacy of different abiogenic sources of silicon (Si) to mitigate the salinity stress on maize crop grown on salt-affected soil. Abiogenic sources of Si including silicic acid (SA), sodium silicate (Na-Si), potassium silicate (K-Si), and nanoparticles of silicon (NPs-Si) were applied in saline-sodic soil. Two consecutive maize crops with different seasons were harvested to evaluate the growth response of maize under salinity stress. Post-harvest soil analysis showed a significant decrease in soil electrical conductivity of soil paste extract (ECe) (-23.0%), sodium adsorption ratio (SAR) (-47.7%) and pH of soil saturated paste (pHs) (-9.5%) by comparing with salt-affected control. Results revealed that the maximum root dry weight was recorded in maize1 by the application of NPs-Si (149.3%) and maize2 (88.6%) over control. The maximum shoot dry weight was observed by the application of NPs-Si in maize1 (42.0%) and maize2 (7.4%) by comparing with control treatment. The physiological parameters like chlorophyll contents (52.5%), photosynthetic rate (84.6%), transpiration (100.2%), stomatal conductance (50.5%), and internal CO2 concentration (61.6%) were increased by NPs-Si in the maize1 crop when compared with the control treatment. The application of an abiogenic source (NPs-Si) of Si significantly increased the concentration of phosphorus (P) in roots (223.4%), shoots (22.3%), and cobs (130.3%) of the first maize crop. The current study concluded that the application of NPs-Si and K-Si improved the plant growth by increasing the availability of nutrients like P and potassium (K), physiological attributes, and by reducing the salts stress and cationic ratios in maize after maize crop rotation..
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Affiliation(s)
- Ali Rizwan
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Muhammad Zia-Ur-Rehman
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38000, Pakistan.
| | - Muhammad Rizwan
- Department of Environmental Sciences, Government College University, Faisalabad, 38000, Pakistan.
| | - Muhammad Usman
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Sidra Anayatullah
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Hesham F Alharby
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia; Plant Biology Research Group, Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Atif A Bamagoos
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Basmah M Alharbi
- Biology Department, Faculty of Science, University of Tabuk, Tabuk, 71491, Saudi Arabia
| | - Shafaqat Ali
- Department of Environmental Sciences, Government College University, Faisalabad, 38000, Pakistan; Department of Biological Sciences and Technology, China Medical University, Taichung, 40402, Taiwan.
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de Lima GS, da Silva AAR, Torres RAF, Soares LADA, Gheyi HR, da Silva FA, Nobre RG, de Azevedo CAV, Lopes KP, Chaves LHG, de Lima VLA. NPK Accumulation, Physiology, and Production of Sour Passion Fruit under Salt Stress Irrigated with Brackish Water in the Phenological Stages and K Fertilization. PLANTS (BASEL, SWITZERLAND) 2023; 12:1573. [PMID: 37050199 PMCID: PMC10096770 DOI: 10.3390/plants12071573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 03/25/2023] [Accepted: 04/04/2023] [Indexed: 06/19/2023]
Abstract
This research aimed to evaluate the effects of salt stress, varying the phenological stages, and K fertilization on NPK concentrations, physiology, and production of Passiflora edulis Sims. The research was carried out at the University Farm of São Domingos, Paraíba, Brazil, using a randomized block design with a 6 × 2 factorial arrangement. Six irrigation strategies were evaluated (use of low electrical conductivity water (0.3 dS m-1) during all stages of development and application of high-salinity water (4.0 dS m-1) in the following stages: vegetative, flowering, fruiting, successively in the vegetative/flowering, and vegetative/fruiting stages) and two potassium levels (207 and 345 g K2O per plant), with four replications and three plants per plot. The leaf concentrations of N, P, and K in the sour passion fruit plants found in the present study were below the optimal levels reported in the literature, regardless of the development stage and the cultivation cycle. The relative water content, stomatal conductance, and photosynthesis were reduced by salt stress in the first cycle. However, in the second cycle, irrigation with 4.0 dS m-1 in the vegetative/flowering stages increased the CO2 assimilation rate. Passion fruit is sensitive to salt stress in the vegetative/flowering stages of the first cycle. In the second cycle, salt stress in the fruiting stage resulted in higher production per plant.
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Affiliation(s)
- Geovani Soares de Lima
- Post Graduate Program in Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, Brazil
| | | | | | | | - Hans Raj Gheyi
- Post Graduate Program in Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, Brazil
| | - Francisco Alves da Silva
- Post Graduate Program in Tropical Horticulture, Federal University of Campina Grande, Pombal 58840-000, Brazil
| | - Reginaldo Gomes Nobre
- Post Graduate Program in Soil and Water Management, Federal Rural University of the Semi-Arid, Caraúbas 59780-000, Brazil
| | | | - Kilson Pinheiro Lopes
- Post Graduate Program in Tropical Horticulture, Federal University of Campina Grande, Pombal 58840-000, Brazil
| | - Lúcia Helena Garófalo Chaves
- Post Graduate Program in Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, Brazil
| | - Vera Lúcia Antunes de Lima
- Post Graduate Program in Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, Brazil
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Adaptive Response and Transcriptomic Analysis of Flax (Linum usitatissimum L.) Seedlings to Salt Stress. Genes (Basel) 2022; 13:genes13101904. [DOI: 10.3390/genes13101904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/15/2022] [Accepted: 10/18/2022] [Indexed: 11/17/2022] Open
Abstract
Soil salinity constrains agricultural development in arid regions. Flax is an economically important crop in many countries, and screening or breeding salinity-resistant flax cultivars is necessary. Based on the previous screening of flaxseed cultivars C71 (salt-sensitive) and C116 (salt-tolerant) as test materials, flax seedlings stressed with different concentrations of NaCl (0, 100, 150, 200, and 250 mmol/L) for 21 days were used to investigate the effects of salt stress on the growth characteristics, osmotic regulators, and antioxidant capacity of these flax seedlings and to reveal the adaptive responses of flax seedlings to salt stress. The results showed that plant height and root length of flax were inhibited, with C116 showing lower growth than C71. The concentrations of osmotic adjustment substances such as soluble sugars, soluble proteins, and proline were higher in the resistant material, C116, than in the sensitive material, C71, under different concentrations of salt stress. Consistently, C116 showed a better rapid scavenging ability for reactive oxygen species (ROS) and maintained higher activities of antioxidant enzymes to balance salt injury stress by inhibiting growth under salt stress. A transcriptome analysis of flax revealed that genes related to defense and senescence were significantly upregulated, and genes related to the growth and development processes were significantly downregulated under salt stress. Our results indicated that one of the important adaptations to tolerance to high salt stress is complex physiological remediation by rapidly promoting transcriptional regulation in flax.
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