Rhizosphere最新文献

{"title":"Vegetation restoration governs the changes in soil preferential flow and matrix infiltration","authors":"Lin Zhang,&nbsp;Tianheng Zhao,&nbsp;Shi Qi","doi":"10.1016/j.rhisph.2026.101258","DOIUrl":"10.1016/j.rhisph.2026.101258","url":null,"abstract":"<div><div>Soil infiltration consists of preferential flow and matrix flow, both of which play a critical role in regulating soil water redistribution and the hydrological cycle. However, how different vegetation restoration types influence the partitioning between preferential flow and matrix infiltration remains poorly understood. Three typical vegetation restoration types of Moso bamboo pure forest, Moso bamboo-Chinese fir mixed forest and Chinese fir pure forest in the subtropical regions of southern China were selected, and the soil preferential flow and matrix flow were measured by using the improved surface-mounted double-ring infiltrometer. The effects of the driving factors on the preferential flow and matrix infiltration were quantified.</div></div><div><h3>Results</h3><div>1) The preferential flow were 2.31–4.36 times greater than the matrix infiltration, accounting for 79.5 %–81.3 % of the total infiltration (TIA) in Moso bamboo pure forest, 74.9 %–77.0 % of the TIA in Moso bamboo–Chinese fir mixed forest, and 69.8 %–72.5 % of the TIA in Chinese fir pure forest; 2) The total infiltration (560.54–739.47 mm) and preferential flow (425.68–595.81 mm) followed the order: Moso bamboo pure forest &gt; Moso bamboo–Chinese fir mixed forest &gt; Chinese fir pure forest. The cumulative matrix infiltration (136.62–184.20 mm) followed the order: Chinese fir pure forest &gt; Moso bamboo–Chinese fir mixed forest &gt; Moso bamboo pure forest. Fine root biomass (&lt;2 mm), NCP, and BD were the dominant factors influencing the preferential flow, jointly accounting for 55.3 % of the contribution. Fine root biomass (&lt;2 mm), clay, and BD showed close correlations with matrix infiltration, collectively explaining 60.6 % of the contribution. The findings provide mechanistic insights into soil hydrological functioning under different restoration strategies and offer practical implications for optimizing vegetation management and improving water conservation in subtropical ecosystems.</div></div>","PeriodicalId":48589,"journal":{"name":"Rhizosphere","volume":"37 ","pages":"Article 101258"},"PeriodicalIF":3.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145939444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hyphosphere metabolic reprogramming in lipids and aromatic amino acids drives differential mycorrhizal growth promotion in trifoliate orange","authors":"Hao-Ran Jiang ,&nbsp;Wan-Lin Fu ,&nbsp;Ci Deng ,&nbsp;Ying-Ning Zou ,&nbsp;Mashael Daghash Alqahtani ,&nbsp;Qiang-Sheng Wu","doi":"10.1016/j.rhisph.2026.101280","DOIUrl":"10.1016/j.rhisph.2026.101280","url":null,"abstract":"<div><div>Arbuscular mycorrhizal (AM) fungi play a crucial role in plant growth and ecosystem functioning by regulating the rhizosphere microenvironment through their extensive extraradical hyphal networks. However, hyphal exudates are intimately mixed with root deposits and native organic matter in natural soil, making it difficult to isolate the specific chemical contributions of the hyphae themselves. To directly investigate the regulatory effects of extraradical hyphae from different AM fungi on the microenvironment, this study used trifoliate orange colonized by <em>Funneliformis mosseae</em> (<em>Fm</em>) and <em>Rhizophagus intraradices</em> (<em>Ri</em>) in a two-compartment rootbox where the root and hyphal compartments were separated by a 37 μm nylon mesh, with the hyphal compartment filled with high-temperature-ashed (550 °C for 24 h) sand to eliminate organic matter interference. The <em>Fm</em> treatment showed higher root colonization and greater soil hyphal length in the root compartment compared to <em>Ri</em>, although the nylon mesh barrier restricted hyphal extension into the hyphal compartment. Inoculation with either fungus significantly increased leaf, stem, and root biomass, with <em>Ri</em> promoting significantly greater biomass accumulation across all tissues than <em>Fm</em>. Untargeted metabolomic analysis of the sand matrix from the hyphal compartment identified 588 differential metabolites across all pairwise comparisons. The number and regulation pattern of these metabolites varied significantly, with the control vs <em>Fm</em> comparison showing 481 differential metabolites (162 upregulated and 319 downregulated), control vs <em>Ri</em> having 504 (213 upregulated and 291 downregulated), and <em>Fm</em> vs <em>Ri</em> yielding 448 (312 upregulated and 136 downregulated). Notably, the polyacetylene lobetyolin was upregulated specifically in the <em>Fm vs Ri</em> comparison, while the oxylipin 11-oxatetradecanoic acid was downregulated in the same contrast. The chalcone derivative 5′-fluoro-2′-hydroxy-4-methylchalcone showed divergent regulation, being downregulated in control vs <em>Fm</em> but upregulated in <em>Fm vs Ri</em>, highlighting comparison-specific metabolic reprogramming. KEGG pathway enrichment analysis revealed that these differential metabolites were significantly enriched in key pathways including phenylalanine, tyrosine, and tryptophan biosynthesis (the shikimate pathway), fatty acid biosynthesis, unsaturated fatty acid metabolism, and folate metabolism. Notably, <em>Ri</em> treatment exhibited stronger enrichment in unsaturated fatty acid biosynthesis and ubiquinone metabolism compared to <em>Fm</em>. The findings reveal that species-specific hyphosphere metabolic reprogramming, particularly in lipids and aromatic amino acids, rather than colonization extent, determines the differential growth promotion of trifoliate orange by AM fungi.</div></div>","PeriodicalId":48589,"journal":{"name":"Rhizosphere","volume":"37 ","pages":"Article 101280"},"PeriodicalIF":3.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146077811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Connecting soil spatial heterogeneities and grapevine root system architecture in California's Central Valley using non-invasive geophysical methods","authors":"Solomon Ehosioke ,&nbsp;Sam Dudley ,&nbsp;Andrew J. McElrone ,&nbsp;Megan Bartlett ,&nbsp;Gordon Osterman","doi":"10.1016/j.rhisph.2025.101247","DOIUrl":"10.1016/j.rhisph.2025.101247","url":null,"abstract":"<div><div>Soil spatial heterogeneity significantly impacts grapevine performance and water-use efficiency, yet understanding the intricate belowground dynamics remains a challenge. This study integrates non-invasive geophysical methods with physiological measurements and root morphology analysis to investigate the influence of soil variability on two grapevine rootstocks, Millardet et de Grasset 101-14 (101-14 Mgt) and Richter 110 (110R), in California's Central Valley. Electromagnetic induction and electrical resistivity tomography were used to map soil spatial heterogeneity, revealing distinct soil units (Yolo silt loam and Reiff very fine sandy loam) with varying physical and hydraulic properties. Electrical capacitance measurement successfully evaluated root system size as we found a positive correlation between root electrical capacitance and root dry mass in both rootstocks. Our results also show that root capacitance was consistently higher in the high vigor and drought resistant 110R than in the moderate vigor and drought sensitive 101-14, highlighting root system differences between the rootstocks. Furthermore, we found that vine water status, indicated by stem water potential and stomatal conductance, varied significantly between rootstocks and locations, and are driven by the underlying soil properties. This research demonstrates the utility of integrating geophysical and electrical methods for field-based phenotyping, providing novel insights into the soil-plant continuum. These findings highlight the potential of agrogeophysics for characterizing vineyard spatial heterogeneity to inform site-specific vineyard management, optimize irrigation strategies, and aid in rootstock selection for enhanced drought resilience without the need for labor intensive excavations.</div></div>","PeriodicalId":48589,"journal":{"name":"Rhizosphere","volume":"37 ","pages":"Article 101247"},"PeriodicalIF":3.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145798608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rhizosphere microbial recruitment and metabolite-mediated regulation drive contrasting salt tolerance mechanisms in two alfalfa cultivars","authors":"Zhuanqiang Wu ,&nbsp;Fenfen Liang ,&nbsp;Wen Luo ,&nbsp;Qian Zhang ,&nbsp;Shaowei Li ,&nbsp;Hongshan Yang ,&nbsp;Changze Han ,&nbsp;Yonggang Wang ,&nbsp;Zhiqiang Kong ,&nbsp;Xiaoli Wang ,&nbsp;Xinqiang Zhu","doi":"10.1016/j.rhisph.2025.101240","DOIUrl":"10.1016/j.rhisph.2025.101240","url":null,"abstract":"<div><div>Alfalfa, the “king of forage,” offers high-quality feed and ecological benefits, but salt stress limits its growth and yield. Salt-tolerant alfalfa varieties were selected using ZT1, developed via space-induced mutation breeding, and ZL2, bred through conventional hybridization. By combining metabolomic and 16S rRNA sequencing data from two varieties (ZT1 and ZL2) under gradient NaCl treatments, we uncovered divergent adaptation mechanisms. ZT1 sustained higher photosynthetic performance, achieved better ion balance, and accumulated more flavonoids and terpenoids. It engaged in quorum sensing and beneficial microbial cooperation, adopting an energy-efficient, microbe-assisted strategy to mitigate stress. In contrast, ZL2 relied on broad metabolic reprogramming and enriched microbes linked to defense, demonstrating a more autonomous, energetically costly survival response under high salinity. Microbial diversity decreased with increasing salt stress, but ZT1 maintained a more stable community structure. These findings advance our understanding of plant–microbe–metabolite crosstalk under stress and support the development of breeding or microbiome-based strategies to enhance salt tolerance in <em>Medicago sativa</em> L.</div></div>","PeriodicalId":48589,"journal":{"name":"Rhizosphere","volume":"37 ","pages":"Article 101240"},"PeriodicalIF":3.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145798615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of multi-environmental factors on rhizosphere microbial community structure of Paeonia lactiflora Pall. and its interaction mechanism with medicinal quality","authors":"Feifei Yang ,&nbsp;Bingzhen Li ,&nbsp;Shuwen Zhao ,&nbsp;Yun Hu ,&nbsp;Ming Li ,&nbsp;Xiaoming Zhang ,&nbsp;Yujie Song","doi":"10.1016/j.rhisph.2025.101252","DOIUrl":"10.1016/j.rhisph.2025.101252","url":null,"abstract":"<div><div>Systematic research on factors influencing the quality of <em>Paeonia lactiflora</em> Pall. and the association between rhizosphere microbial communities and medicinal quality remains limited. In this study, the growth quality and rhizosphere microbial diversity of wild and cultivated <em>Paeonia lactiflora</em> Pall. collected from various producing areas in North China were analyzed in relation to soil chemical properties and climatic conditions. Methods such as high-performance liquid chromatography, Mantel tests, and microbial-quality correlation analysis were employed to investigate the effects of cultivation practices on medicinal quality and to identify key environmental factors driving rhizosphere microbial communities. The results demonstrated that growth parameters (e.g., root length and diameter) and bioactive compound contents (e.g., paeoniflorin, oxypaeoniflorin) were significantly higher in wild <em>Paeonia lactiflora</em> Pall. compared to cultivated plants. Production regions and cultivation practices significantly influenced rhizosphere microbial community structure. The microbial diversity in the rhizosphere of wild plants was higher, enriched with growth-promoting bacteria such as <em>Pseudomonas</em>, whereas cultivated plants favored potential pathogenic fungi like <em>Fusarium</em>. Soil chemical characteristics (pH, total nitrogen, available phosphorus), climatic variables (mean annual precipitation, sunshine duration), and producing areas were the primary environmental drivers shaping rhizosphere microbial communities. Bacterial diversity showed a significant positive correlation with root number and ash content of <em>Paeonia lactiflora</em> Pall., while fungal diversity was closely associated with the accumulation of paeoniflorin and total flavonoids. Beneficial microbes, including <em>Reyranella</em>, <em>Xanthobacteraceae</em>, and <em>Streptomyces</em>, exhibited significantly positive correlations with medicinal growth and secondary metabolite accumulation. In conclusion, this study elucidates the “microbe–environment–medicinal quality” interaction mechanism and highlights multi-factorial synergy in determining the medicinal quality of <em>Paeonia lactiflora</em> Pall. These findings provide theoretical support and novel perspectives for the establishment of genuine production areas, sustainable utilization of medicinal plant resources, and improved cultivation management.</div></div>","PeriodicalId":48589,"journal":{"name":"Rhizosphere","volume":"37 ","pages":"Article 101252"},"PeriodicalIF":3.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145884727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing root resilience through sustainable agriculture to mitigate heavy metal pollution and abiotic stresses in a changing climate","authors":"Md Shihab Uddine Khan ,&nbsp;Nahid Afridi ,&nbsp;Sadia Afroz Ritu ,&nbsp;Shamsul Islam Shipar ,&nbsp;Samia Binta Zaman ,&nbsp;Noshin Tabassum Hasan ,&nbsp;Shihab Uddin ,&nbsp;Mehedi Hasan ,&nbsp;Mehdi Rahimi ,&nbsp;Mousumi Jahan Sumi ,&nbsp;Shahin Imran","doi":"10.1016/j.rhisph.2025.101251","DOIUrl":"10.1016/j.rhisph.2025.101251","url":null,"abstract":"<div><div>Heavy metal (HM) contamination and climate-induced abiotic stresses have emerged as interconnected global challenges that threaten agricultural productivity and food security. Industrial emissions, agrochemical misuse, and wastewater irrigation contribute to the accumulation of toxic metals such as cadmium, lead, arsenic, and mercury in soils, where they disrupt nutrient cycling and impair plant metabolism. Simultaneously, drought and salinity, exacerbated by climate change, alter soil moisture and ion balance, enhancing metal bioavailability and toxicity. The combined effects of these stresses intensify oxidative damage, inhibit photosynthesis, and reduce crop yield. Plants employ multifaceted defense mechanisms, including activation of antioxidant enzymes, osmolyte accumulation, and regulation of metal transporters, supported by hormonal and transcriptional networks. Recent studies also highlight the role of stress memory and epigenetic regulation in enabling cross-tolerance and long-term adaptation. Sustainable mitigation strategies integrate biological, chemical, and genetic approaches to reduce HM uptake and enhance resilience. Phytoremediation, biochar amendment, and the use of plant growth-promoting rhizobacteria improve soil quality and stress tolerance, while molecular breeding and CRISPR/Cas-based genome editing accelerate the development of dual-resistant crop varieties. This review consolidates current knowledge on the mechanisms underlying HM uptake, toxicity, and plant adaptation under concurrent abiotic stresses, emphasizing the need for integrated, climate-smart, and biotechnological interventions to ensure sustainable crop production and ecosystem restoration in contaminated agroecosystems.</div></div>","PeriodicalId":48589,"journal":{"name":"Rhizosphere","volume":"37 ","pages":"Article 101251"},"PeriodicalIF":3.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145884728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An overlooked synergy: arbuscular mycorrhizal fungi and increased accumulation of plant saponins","authors":"Eduarda Lins Falcão ,&nbsp;João Gabriel Lira de Carvalho ,&nbsp;Jackson Roberto Guedes da Silva Almeida ,&nbsp;Qiang-Sheng Wu ,&nbsp;Fábio Sérgio Barbosa da Silva","doi":"10.1016/j.rhisph.2026.101274","DOIUrl":"10.1016/j.rhisph.2026.101274","url":null,"abstract":"<div><div>The use of arbuscular mycorrhizal fungi (AMF) has been recognized as an effective strategy to increase the accumulation of plant secondary metabolites. However, the role of this approach in promoting saponin production, molecules with broad applications across various industrial sectors, has received limited attention. Thus, this opinion paper aimed to synthesize studies that have investigated AMF inoculation to improve saponin accumulation. Thirty-five relevant publications on this topic were selected and their key findings were highlighted, such as the most frequently studied plant and AMF genera, and whether bioactivities were evaluated. The results underscore the potential of AMF in saponin biosynthesis, while also identifying research gaps that need to be addressed to enable large-scale application of this technology.</div></div>","PeriodicalId":48589,"journal":{"name":"Rhizosphere","volume":"37 ","pages":"Article 101274"},"PeriodicalIF":3.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146037967","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synergistic effects of calcium lignosulfonate and microorganisms on saline-alkali leachate remediation: Enhancing plant growth and shaping rhizosphere microbial communities","authors":"Zengpeng Chen ,&nbsp;Qun zhong Meng ,&nbsp;Yifan Liu ,&nbsp;Liang Song ,&nbsp;Minghua Liu","doi":"10.1016/j.rhisph.2026.101284","DOIUrl":"10.1016/j.rhisph.2026.101284","url":null,"abstract":"<div><div>The extent of saline-alkali land poses a significant threat to global agricultural productivity and environmental ecosystems, emphasizing the growing need for remediation efforts. Hydraulic improvement, the major technology currently employed in saline-alkali land rehabilitation, efficiently enables quick desalination. However, the leaching process produces significant amounts of saline-alkali leachate (SAL). If discarded directly, it leads to the wasteful consumption of water resources, groundwater pollution, and secondary salinization, posing serious environmental dangers. As a result, addressing the inherent technological limitations and improving water resource recycling are crucial for sustainable management. This study presents a hydroponic system that combines calcium lignosulfonate (CLS) with microorganisms (MO) for the ecological treatment of SAL. The effects of the synergistic treatment on the physicochemical properties of SAL, rice physiological morphology, and microbial composition were comprehensively assessed. The results showed that the synergistic treatment decreased the pH and electrical conductivity (EC) of SAL by 8.21 %–25.88 %. The height of rice plants, leaf number, stem diameter, biomass, root length, nitrogen uptake, chlorophyll, and soluble protein content increased by 24.50 %–102.50 %. Reductions in osmoprotectants (22.82 %–38.29 %), lipid peroxidation production (42.17 %), and antioxidant enzyme activity (16.90 %–27.63 %) were observed. Furthermore, the treatment reshapes the aquatic rhizosphere microbial community structure, fosters closer mutualistic relationships, and may alter microbial community functions. These findings suggest that this treatment may be an effective and environmentally friendly option for improving plant growth in saline-alkali environments, providing a scalable technical pathway for the resource utilization of SAL.</div></div>","PeriodicalId":48589,"journal":{"name":"Rhizosphere","volume":"37 ","pages":"Article 101284"},"PeriodicalIF":3.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146077809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Integrative regulatory networks modulating arbuscular mycorrhizal symbiosis","authors":"Yaseen Khan ,&nbsp;Sulaiman Shah ,&nbsp;Muhammad Faheem Jan ,&nbsp;Mohammed Bouskout","doi":"10.1016/j.rhisph.2025.101248","DOIUrl":"10.1016/j.rhisph.2025.101248","url":null,"abstract":"<div><div>Arbuscular mycorrhizal symbiosis plays a pivotal role in nutrient acquisition and stress tolerance, making its regulation crucial for sustainable crop productivity. This review synthesizes current advances in understanding the molecular and physiological factors governing AM symbiosis, with emphasis on transcriptional, hormonal, and nutrient-mediated regulation. From pre-symbiotic signaling to root colonization and arbuscule development, AM formation is orchestrated by a complex network of molecular interactions. Transcription factors, including those with GRAS domains (e.g., NSP1, NSP2, RAM1, and DELLA), and other regulators such as MYB, SPX, WRKY, and CYCLOPS/IPD3, serve as central modulators of symbiosis-related gene expression. Phytohormones, including strigolactones, salicylic acid, and abscisic acid, generally promote symbiosis, whereas gibberellins and ethylene act as inhibitors; cytokinin exerts context-dependent effects. Nutrient status also modulates AM formation—low phosphorus and nitrogen promote, while high nutrient availability suppresses colonization. Collectively, these insights reveal the integrative regulatory networks driving AM symbiosis and offer new avenues to optimize symbiotic efficiency for enhanced plant growth and agricultural sustainability.</div></div>","PeriodicalId":48589,"journal":{"name":"Rhizosphere","volume":"37 ","pages":"Article 101248"},"PeriodicalIF":3.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145798607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cultivar-dependent responsiveness to mycorrhizal inoculation in sesame and ranking symbionts for drought mitigation","authors":"Masoumeh Ghasemi ,&nbsp;Banafshe Khalili ,&nbsp;Morteza Zahedi ,&nbsp;Hamed Aalipour","doi":"10.1016/j.rhisph.2026.101261","DOIUrl":"10.1016/j.rhisph.2026.101261","url":null,"abstract":"<div><div>Drought severely limits sesame production in arid regions. While arbuscular mycorrhizal fungi (AMF) can enhance drought tolerance, their efficacy is context-dependent, and a systematic ranking of AMF species for sesame, considering genotype-specific responses, is lacking. We assessed two cultivars (drought-sensitive 'Naz', drought-tolerant 'Yekta') inoculated with four AMF species (<em>Claroideoglomus claroideum</em>, <em>Funneliformis mosseae</em>, <em>Rhizophagus irregularis</em>, and <em>Glomus fasciculatum</em>) under water deficit. A definitive genotype-AMF synergy was found. 'Naz' with <em>Cl. claroideum</em> showed superior resilience, reducing yield loss by 24.4 % and increasing yield by 59.8 % via improved nutrient uptake. The overall efficacy hierarchy was <em>Cl. claroideum</em> &gt; <em>F. mosseae</em> &gt; <em>R. irregularis</em> ≈ <em>G. fasciculatum</em>. While <em>Cl. claroideum</em> specialized in nutrient acquisition, <em>F. mosseae</em> stimulated soil phosphatase activity. This study establishes the first ranked hierarchy of AMF efficacy for sesame under drought and reveals a profound cultivar-specific response, providing a framework for precision bio-inoculation in arid agroecosystems.</div></div>","PeriodicalId":48589,"journal":{"name":"Rhizosphere","volume":"37 ","pages":"Article 101261"},"PeriodicalIF":3.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145939417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}