Strategy of Salt Tolerance and Interactive Impact of Azotobacter chroococcum and/or Alcaligenes faecalis Inoculation on Canola (Brassica napus L.) Plants Grown in Saline Soil

Plants, Journal Year: 2021, Volume and Issue: 10(1), P. 110 - 110

Published: Jan. 7, 2021

A pot experiment was designed and performed in a completely randomized block design (CRBD) to determine the main effect of two plant growth-promoting rhizobacteria (PGPR) their co-inoculation on growth criteria physio-biochemical attributes canola plants (Brassica napus L.) grown saline soil. The results showed that inoculation with PGPR (Azotobacter chroococcum and/or Alcaligenes faecalis) energized parameters photosynthetic pigments stressed plants. Moreover, soluble sugars’ proteins’ contents were boosted due treatments mentioned above. Proline, malondialdehyde (MDA), hydrogen peroxide (H2O2) markedly declined. At same time, antioxidant enzymes, viz. superoxide dismutase (SOD), ascorbate peroxidase (APX), (POD), augmented Azotobacter faecalis. Regarding minerals’ uptake, there decline sodium (Na) an increase nitrogen (N), potassium (K), calcium (Ca), magnesium (Mg) uptake application either individual or bacterial isolates. This study faecalis most effective treatment could be considered premium tool used facing environmental problems, especially soils.

Language: Английский

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The Contrivance of Plant Growth Promoting Microbes to Mitigate Climate Change Impact in Agriculture

Microorganisms, Journal Year: 2021, Volume and Issue: 9(9), P. 1841 - 1841

Published: Aug. 30, 2021

Combating the consequences of climate change is extremely important and critical in context feeding world’s population. Crop simulation models have been extensively studied recently to investigate impact on agricultural productivity food security. Drought salinity are major environmental stresses that cause changes physiological, biochemical, molecular processes plants, resulting significant crop losses. Excessive use chemicals has become a severe threat human health environment. The beneficial microorganisms an environmentally friendly method increasing yield under stress conditions. These microbes enhance plant growth through various mechanisms such as production hormones, ACC deaminase, VOCs EPS, modulate hormone synthesis other metabolites plants. This review aims decipher effect promoting bacteria (PGPB) abiotic soil associated with global (viz., drought salinity). application stress-resistant PGPB may not only help combating effects stressors, but also lead mitigation change. More thorough level studies needed future assess their cumulative influence development.

Language: Английский

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Halotolerant biofilm-producing rhizobacteria mitigate seawater-induced salt stress and promote growth of tomato

Scientific Reports, Journal Year: 2022, Volume and Issue: 12(1)

Published: April 4, 2022

Biofilm-producing rhizobacteria (BPR) enhance productivity and mitigate abiotic stresses in plants. This study showed that 21 out of 65 halotolerant could build biofilms. The components the biofilm matrices i.e., extracellular polymeric substances (EPS) are proteins, curli, nanocelloluse, nucleic acids, lipids, peptidoglycans. Various functional groups including carbonyl, carboxyl, amino, hydroxyl, phosphate were identified. Positions these shifted by application 5% NaCl, suggesting Na+ biosorption. By sequencing, Glutamicibacter arilaitensis (ESK1, ESM4 ESM7), G. nicotianae (ESK19, ESM8 ESM16), Enterobacter ludwigii (ESK15, ESK17, ESM2 ESM17), E. cloacae (ESM5 ESM12), Exiguobacterium acetylicum (ESM24 ESM25), Staphylococcus saprophyticus ESK6, Leclercia adecarboxylata ESK12, Pseudomonas poae ESK16, Bacillus subtilis ESM14, P. putida ESM17 These exhibited numerous plant growth-promoting (PGP) activities producing IAA, ACC deaminase, siderophores, solubilizing phosphate. Under non-stress, bacterized plants increased biomass accumulation (8-23.2% roots 23-49.4% shoots), while under seawater-induced salt stress only ESM4, ESM12, ESM14 enhanced production (5.8-52.9% 8.8-33.4% shoots). Bacterized induced antioxidant defense system (19.5-142% catalase 12.3-24.2% DPPH radical scavenging activity), retained a greater relative water content (17-124%), lesser membrane injuries (19.9-26.5%), reduced (6-24% roots) K+/Na+ ratio (78.8 103% ESK12 ESM24, respectively) than non-bacterized saline conditions. Thus, native BPR can be utilized as ameliorators stress.

Language: Английский

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The application of plant growth-promoting rhizobacteria in Solanum lycopersicum production in the agricultural system: a review

PeerJ, Journal Year: 2022, Volume and Issue: 10, P. e13405 - e13405

Published: May 31, 2022

Food safety is a significant challenge worldwide, from plantation to cultivation, especially for perishable products such as tomatoes. New eco-friendly strategies are needed, and beneficial microorganisms might be sustainable solution. This study demonstrates bacteria activity in the tomato plant rhizosphere. Further, it investigates rhizobacteria’s structure, function, diversity soil. Rhizobacteria that promote growth development of plants referred growth-promoting (PGPR). They form series associations with other organisms soil through mutualistic relationship where both parties benefit living together. It implies antagonistic activities rhizobacteria deter pathogens invading their roots. Some PGPR regarded biological control agents hinder spoilage can act an alternative agricultural chemicals may detrimental health humans, animals, some microbes rhizosphere These also help acquire essential nutrients like potassium (K), magnesium (Mg), phosphorus (P), nitrogen (N). offer solution low production tackle food insecurity farming problems. In this review, overview soil-inhabiting focused on improving Solanum lycopersicum .

Language: Английский

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Role of Halotolerant Plant Growth-Promoting Rhizobacteria in Mitigating Salinity Stress: Recent Advances and Possibilities

Agriculture, Journal Year: 2023, Volume and Issue: 13(1), P. 168 - 168

Published: Jan. 9, 2023

Soil salinity is one of the major abiotic constraints in agricultural ecosystems worldwide. High levels have negative impacts on plant growth and yield, affect soil physicochemical properties. Salinity also has adverse effects distribution abundance microorganisms. problems previously been addressed research, but most approaches, such as breeding for salt tolerant varieties amelioration, are expensive require years efforts. Halotolerant growth-promoting rhizobacteria (HT-PGPR) secrete secondary metabolites, including osmoprotectants, exopolysaccharides, volatile organic compounds. The importance these compounds promoting reducing under stress now widely recognised. HT-PGPR emerging effective biological strategies mitigating harmful high salinity; improving growth, development, yield; remediating degraded saline soils. This review describes beneficial mechanisms various HT-PGPR, which carried out by maintaining ion homeostasis, increasing nutrient availability, producing hormones, Exploring suitable applications agriculture production systems can play a crucial role sustainable crop productivity.

Language: Английский

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Diversity and Plant Growth-Promoting Activities of Culturable Seed Endophytes in Abies pindrow (Royle ex D. Don) Royle: Their Role in Seed Germination and Seedling Growth

Current Microbiology, Journal Year: 2025, Volume and Issue: 82(2)

Published: Jan. 13, 2025

Language: Английский

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Pseudomonas entomophila PE3 and its exopolysaccharides as biostimulants for enhancing growth, yield and tolerance responses of sunflower under saline conditions

Microbiological Research, Journal Year: 2020, Volume and Issue: 244, P. 126671 - 126671

Published: Dec. 17, 2020

Language: Английский

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Mesorhizobium ciceri as biological tool for improving physiological, biochemical and antioxidant state of Cicer aritienum (L.) under fungicide stress

Scientific Reports, Journal Year: 2021, Volume and Issue: 11(1)

Published: May 6, 2021

Fungicides among agrochemicals are consistently used in high throughput agricultural practices to protect plants from damaging impact of phytopathogens and hence optimize crop production. However, the negative fungicides on composition functions soil microbiota, via food chain, human health is a matter grave concern. Considering such agrochemical threats, present study was undertaken know that how fungicide-tolerant symbiotic bacterium, Mesorhizobium ciceri affects Cicer arietinum while growing kitazin (KITZ) stressed soils under greenhouse conditions. Both vitro systems, KITZ imparted deleterious impacts C. as function dose. The three-time more normal rate dose detrimentally but maximally reduced germination efficiency, vigor index, dry production, features, leaf pigments seed attributes arietinum. KITZ-induced morphological alterations root tips, oxidative damage cell death cells were visible scanning electron microscope (SEM). M. tolerated up 2400 µg mL

Language: Английский

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Amelioration of thermal stress in crops by plant growth-promoting rhizobacteria

Physiological and Molecular Plant Pathology, Journal Year: 2021, Volume and Issue: 115, P. 101679 - 101679

Published: June 15, 2021

Language: Английский

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Plant Growth-Promoting Halobacteria and Their Ability to Protect Crops from Abiotic Stress: An Eco-Friendly Alternative for Saline Soils

Agronomy, Journal Year: 2022, Volume and Issue: 12(4), P. 804 - 804

Published: March 27, 2022

Arid and semi-arid soils display low productivity due to abiotic stress associated with drought salinity. Halobacteria can increase the yield of crops grown under these types stress. These bacteria thrive across a wide salinity range (1–25% NaCl) also in absence NaCl have direct indirect mechanisms that promote plant growth. This review summarizes studies conducted over past five years assessed effect halobacteria on plants soil fertility. The criteria used selection were reviewed. Few impact has been based qualitative criterion considering morphology colonies media enriched salts, mainly Na+. Not all growing salt-enriched are capable capturing Na+ ions. Therefore, quantitative should be applied for halobacteria, which could their ability capture ions vitro. This, together assessment fertility, may largely contribute recovery saline soils.

Language: Английский

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