Application of Seaweed Generates Changes in the Substrate and Stimulates the Growth of Tomato Plants DOI Creative Commons
Adrián Alejandro Espinosa-Antón,

Juan Francisco Zamora-Natera,

Patricia Zarazúa Villaseñor

et al.

Plants, Journal Year: 2023, Volume and Issue: 12(7), P. 1520 - 1520

Published: March 31, 2023

Ulva ohnoi is a cosmopolitan green seaweed with commercial potential given the biomass that may be generated. We evaluated effects of substrate changes induced by U. application on vegetative response tomato plants under greenhouse conditions. First, decomposition dynamics and N release dry were studied using litterbag method. Subsequently, we effect powder (SP) or extract (SE) applications plant growth. Additionally, growth parameters responses related to in properties associated each treatment. The results showed has rapid rate degradation (k = 0.07 day-1) 0.024 day-1). SP improved physicochemical biological characteristics increasing availability minerals, fungi:bacteria ratio, morphophysiological (length, area, fresh weight), chlorophyll mineral content. In contrast, SE treatment positive root, content, soil microbes. This study highlights agricultural as an alternative supplement supports nutrition promotes cultivated soilless horticultural systems.

Language: Английский

The Application of Arbuscular Mycorrhizal Fungi as Microbial Biostimulant, Sustainable Approaches in Modern Agriculture DOI Creative Commons
Wenli Sun, Mohamad Hesam Shahrajabian

Plants, Journal Year: 2023, Volume and Issue: 12(17), P. 3101 - 3101

Published: Aug. 29, 2023

Biostimulant application can be considered an effective, practical, and sustainable nutritional crop supplementation may lessen the environmental problems related to excessive fertilization. Biostimulants provide beneficial properties plants by increasing plant metabolism, which promotes yield improves quality of crops; protecting against stresses such as water shortage, soil salinization, exposure sub-optimal growth temperatures; promoting via higher nutrient uptake. Other important benefits include enzymatic microbial activities, changing architecture roots, solubility mobility micronutrients, enhancing fertility soil, predominantly nurturing development complementary microbes. are classified microbial, arbuscular mycorrhizae fungi (AMF), plant-growth-promoting rhizobacteria (PGPR), non-pathogenic fungi, protozoa, nematodes, or non-microbial, seaweed extract, phosphite, humic acid, other inorganic salts, chitin chitosan derivatives, protein hydrolysates free amino acids, complex organic materials. Arbuscular mycorrhizal among most prominent biostimulants have role in cultivating better, healthier, more functional foods agriculture. AMF assist acquisition; enhance stress tolerance salinity, drought, heavy metals; reduce erosion. proven a environmentally friendly source supplements. The current manuscript gives many examples potential for production different crops. However, further studies needed better understand effectiveness review focuses on how overcome limitations typical systems improving availability, uptake, assimilation, consequently reducing gap between conventional yields. aim this literature is survey impacts presenting case successful paradigms crops well introducing main mechanisms action biostimulant products.

Language: Английский

Citations

63
Survey of the Influences of Microbial Biostimulants on Horticultural Crops: Case Studies and Successful Paradigms DOI Creative Commons
Mohamad Hesam Shahrajabian, Spyridon Α. Petropoulos, Wenli Sun

et al.

Horticulturae, Journal Year: 2023, Volume and Issue: 9(2), P. 193 - 193

Published: Feb. 2, 2023

Sustainable farming of horticultural plants has been the focus research during last decade, paying significant attention to alarming weather extremities and climate change, as well pressure biotic stressors on crops. Microbial biostimulants, including plant growth-promoting bacteria (PGPB) arbuscular mycorrhizal fungi (AMF), have proven increase growth via both direct indirect processes, availability uptake nutrients, boosting soil quality, increasing plants’ tolerance abiotic stress overall quality attributes various crops (e.g., vegetables, fruit, herbs). The positive effects microbial biostimulants confirmed so far, mostly through symbiotic interactions in plant–soil–microbes ecosystem, which are considered a biological tool parameters decrease degradation. However, more is needed address future challenges crop production revealing mechanisms action identifying response patterns products. present review aims most up-to-date results regarding practical applications species, case studies successful paradigms for important genera PGPB AMF. Moreover, actions briefly described while remarks also discussed, aiming suggest further needs be addressed establishment sustainable production.

Language: Английский

Citations

57
Developing Sustainable Agriculture Systems in Medicinal and Aromatic Plant Production by Using Chitosan and Chitin-Based Biostimulants DOI Creative Commons
Wenli Sun, Mohamad Hesam Shahrajabian, Spyridon Α. Petropoulos

et al.

Plants, Journal Year: 2023, Volume and Issue: 12(13), P. 2469 - 2469

Published: June 28, 2023

Chitosan is illustrated in research as a stimulant of plant tolerance and resistance that promotes natural defense mechanisms against biotic abiotic stressors, its use may lessen the amount agrochemicals utilized agriculture. Recent literature reports indicate high efficacy soil or foliar usage chitin chitosan promotion growth induction secondary metabolites biosynthesis various species, such Artemisia annua, Curcuma longa, Dracocephalum kotschyi, Catharanthus roseus, Fragaria × ananassa, Ginkgo biloba, Iberis amara, Isatis tinctoria, Melissa officinalis, Mentha piperita, Ocimum basilicum, Origanum vulgare ssp. Hirtum, Psammosilene tunicoides, Salvia Satureja isophylla, Stevia rebaudiana, Sylibum marianum, among others. This work focuses on outstanding scientific contributions to field production quality aromatic medicinal plants, based different functions sustainable crop production. The application can lead increased protects plants harmful microorganisms. effectiveness also due low concentration required, cost, environmental safety. On basis showing considerable characteristics, there increasing attention biopolymers horticulture agriculture productions.

Language: Английский

Citations

47
Amino Acids Biostimulants and Protein Hydrolysates in Agricultural Sciences DOI Creative Commons
Wenli Sun, Mohamad Hesam Shahrajabian,

Yue Kuang

et al.

Plants, Journal Year: 2024, Volume and Issue: 13(2), P. 210 - 210

Published: Jan. 11, 2024

The effects of different types biostimulants on crops include improving the visual quality final products, stimulating immune systems plants, inducing biosynthesis plant defensive biomolecules, removing heavy metals from contaminated soil, crop performance, reducing leaching, root development and seed germination, tolerance to abiotic biotic stressors, promoting establishment increasing nutrient-use efficiency. Protein hydrolysates are mixtures polypeptides free amino acids resulting enzymatic chemical hydrolysis agro-industrial protein by-products obtained animal or origins, they able alleviate environmental stress effects, improve growth, promote productivity. Amino involve various advantages such as increased yield components, nutrient assimilation tolerance, improved components characteristics. They generally achieved through hydrolysis, with significant capabilities influence synthesis activity some enzymes, gene expression, redox-homeostasis. Increased yield, quality; regulated oxidation-reduction process, photosynthesis, physiological activities; decreased negative toxic components; anti-fungal activities plants just more important benefits application phenols phenolic biostimulants. aim this manuscript is survey impacts acids, hydrolysates, phenols, by presenting case studies successful paradigms in several horticultural agricultural crops.

Language: Английский

Citations

43
The Roles of Plant-Growth-Promoting Rhizobacteria (PGPR)-Based Biostimulants for Agricultural Production Systems DOI Creative Commons
Wenli Sun, Mohamad Hesam Shahrajabian, Ali Soleymani

et al.

Plants, Journal Year: 2024, Volume and Issue: 13(5), P. 613 - 613

Published: Feb. 23, 2024

The application of biostimulants has been proven to be an advantageous tool and appropriate form management towards the effective use natural resources, food security, beneficial effects on plant growth yield. Plant-growth-promoting rhizobacteria (PGPR) are microbes connected with roots that can increase by different methods such as producing hormones molecules improve or providing increased mineral nutrition. They colonize all ecological niches stages crop development, they affect development directly modulating hormone levels enhancing nutrient acquisition potassium, phosphorus, nitrogen, essential minerals, indirectly via reducing inhibitory impacts pathogens in forms biocontrol parameters. Many plant-associated species Pseudomonas, Acinetobacter, Streptomyces, Serratia, Arthrobacter, Rhodococcus improving disease resistance, synthesizing growth-stimulating hormones, suppressing pathogenic microorganisms. is both environmentally friendly practice a promising method enhance sustainability horticultural agricultural production systems well promote quantity quality foods. also reduce global dependence hazardous chemicals. Science Direct, Google Scholar, Springer Link, CAB Scopus, Taylor Francis, Web Science, Wiley Online Library were checked, search was conducted manuscript sections accordance terms Enterobacter, Ochrobactrum, Rhodococcus, Biostimulants, Plant promoting rhizobactera, Stenotrophomonas. aim this survey plant-growth-promoting presenting case studies successful paradigms various crops.

Language: Английский

Citations

26
Biostimulant and Beyond: Bacillus spp., the Important Plant Growth-Promoting Rhizobacteria (PGPR)-Based Biostimulant for Sustainable Agriculture DOI
Wenli Sun, Mohamad Hesam Shahrajabian

Earth Systems and Environment, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 2, 2025

Language: Английский

Citations

3
A Study of the Different Strains of the Genus Azospirillum spp. on Increasing Productivity and Stress Resilience in Plants DOI Creative Commons
Wenli Sun, Mohamad Hesam Shahrajabian, Na Wang

et al.

Plants, Journal Year: 2025, Volume and Issue: 14(2), P. 267 - 267

Published: Jan. 18, 2025

One of the most important and essential components sustainable agricultural production is biostimulants, which are emerging as a notable alternative chemical-based products to mitigate soil contamination environmental hazards. The modes action bacterial plant biostimulants on different plants increasing disease resistance; activation genes; chelating agents organic acids; boosting quality through metabolome modulation; affecting biosynthesis phytochemicals; coordinating activity antioxidants antioxidant enzymes; synthesis accumulation anthocyanins, vitamin C, polyphenols; enhancing abiotic stress cytokinin abscisic acid (ABA) production; upregulation stress-related exopolysaccharides, secondary metabolites, ACC deaminase. Azospirillum free-living genus can promote yield growth many species, with multiple vary basis climate conditions. Different species Bacillus spp. increase growth, yield, biomass by availability nutrients; solubilization subsequent uptake synthesizing indole-3-acetic acid; fixing nitrogen; solubilizing phosphorus; promoting phytohormones; production, fruits crops via carotenoids, flavonoids, phenols, antioxidants; indoleacetic (IAA), gibberellins, siderophores, nitric oxide, cell surface components. aim this manuscript survey effects presenting case studies successful paradigms in several horticultural plants.

Language: Английский

Citations

2
Bio-priming of seeds: Plant stress management and its underlying cellular, biochemical and molecular mechanisms DOI Creative Commons

Subhra Chakraborti,

Kuntal Bera, Sanjoy Sadhukhan

et al.

Plant Stress, Journal Year: 2021, Volume and Issue: 3, P. 100052 - 100052

Published: Dec. 24, 2021

Exposure of crops to stress is the most significant barrier agricultural output and food security worldwide. Stress induces changes in plants' physiological functions, which leads lower plant growth yield. Plants undergo a variety molecular, cellular, combat various abiotic stresses. suffer from increased osmotic pressure outside root due stresses like drought or salt that ultimately result reduced water availability roots. In addition morphological modifications, such as leaf potential, accumulation osmoprotectants, antioxidant activities, so on occur response Seed priming novel yet simple technique involves use beneficial eco-friendly biological agents improve functioning seeds. This also plays vital role restoring agro-ecological balances through improvement soil fertility by decreasing contamination. An understanding mechanisms involved seed bio-priming with growth-promoting microbes very crucial efficiently utilise this towards sustainability. It generally thought advancement metabolic processes along activation repairing systems during pre-germination stage are central reasons behind promotion acquired tolerance. The application rhizobacteria agriculture has been emerging resilience. Bio-priming seeds ensures early protein DNA synthesis, helps effective mitochondrial development. review aims summarise current state technique.

Language: Английский

Citations

87
Physiological and molecular insight of microbial biostimulants for sustainable agriculture DOI Creative Commons

Priya Kaushal,

Nilofer Ali, Shivani Saini

et al.

Frontiers in Plant Science, Journal Year: 2023, Volume and Issue: 14

Published: Jan. 30, 2023

Increased food production to cater the need of growing population is one major global challenges. Currently, agro-productivity under threat due shrinking arable land, increased anthropogenic activities and changes in climate leading frequent flash floods, prolonged droughts sudden fluctuation temperature. Further, warm climatic conditions increase disease pest incidences, ultimately reducing crop yield. Hence, collaborated efforts are required adopt environmentally safe sustainable agro practices boost growth productivity. Biostimulants appear as a promising means improve plants even stressful conditions. Among various categories biostimulants, microbial biostimulants composed microorganisms such plant growth-promoting rhizobacteria (PGPR) and/or microbes which stimulate nutrient uptake, produce secondary metabolites, siderophores, hormones organic acids, participate nitrogen fixation, imparts stress tolerance, enhance quality yield when applied plants. Though numerous studies convincingly elucidate positive effects PGPR-based on plants, yet information meagre regarding mechanism action key signaling pathways (plant hormone modulations, expression pathogenesis-related proteins, antioxidants, osmolytes etc.) triggered by these present review focuses molecular activated PGPR based facing abiotic biotic The also analyses common mechanisms modulated combat stresses. highlights traits that have been modified through transgenic approach physiological responses akin application target

Language: Английский

Citations

40
Biostimulants in the Soil–Plant Interface: Agro-environmental Implications—A Review DOI
Aspasia Grammenou, Spyridon Α. Petropoulos, Georgios Thalassinos

et al.

Earth Systems and Environment, Journal Year: 2023, Volume and Issue: 7(3), P. 583 - 600

Published: Sept. 1, 2023

Language: Английский

Citations

28