Plant and Soil最新文献

{"title":"Fungal communities driven by Rhododendron species correlate with pathogen protection against Phytophthora cinnamomi","authors":"Saliha Ahmad, David J. Burke, Sarah R. Carrino-Kyker, Juliana S. Medeiros, Jean H. Burns","doi":"10.1007/s11104-025-07847-z","DOIUrl":"https://doi.org/10.1007/s11104-025-07847-z","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>Plant interactions with soil microbial communities are critical for understanding plant health, improving horticultural and agricultural outcomes, and maintaining diverse natural communities. In some cases, disease suppressive soils enhance plant survival in the presence of pathogens. However, species-specific differences and seasonal variation complicate our understanding of the drivers of soil fungal communities and their consequences for plants. Here, we aim to describe soil fungal communities across <i>Rhododendron</i> species and seasons as well as the test for fungal indicators of <i>Rhododendron</i> species in the soil. Further, we test possible mechanisms governing disease suppressive soils to the oomycete pathogen <i>Phytophthora cinnamomi</i>. Variation in disease susceptibility to this pathogen across species and clades allows us to test for possible fungal drivers of disease suppressive soils.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>We conducted high throughput sequencing of the fungal communities found in soil collected under 14 <i>Rhododendron</i> species and across 2 seasons (April, October) at two sites in Ohio, USA. Phylogenetic analyses were used to ask whether fungal community composition correlated with increased plant survival with the addition of whole soil communities from a prior greenhouse experiment.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Effects of <i>Rhododendron</i> species (R² = 0.13), season (R² = 0.01) and their interaction on fungal communities (R² = 0.11) were statistically significant. Fungal community composition negatively correlated with survival following exposure to whole soil microbial communities, though this result depended on the presence of <i>R. minus</i>. Forty-five <i>Trichoderma</i> taxa were identified across our soil samples, and some <i>Trichoderma</i> were significantly associated with particular <i>Rhododendron</i> species (e.g. <i>Trichoderma atroviride</i> was associated with <i>R. molle</i>) in indicator species analyses.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>The correlation between plant responses to soil biotic communities and fungal community composition, as well as the presence of potential beneficial taxa such as <i>Trichoderma</i> and mycorrhizal fungi, are consistent with fungal-mediated survival benefits from the pathogen <i>Phytophthora cinnamomi</i>.\u0000</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":"16 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145017169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Triple super phosphate impact on maize transpiration and root hydraulic conductance on drying soils collected from six locations in the United States","authors":"Thomas R. Sinclair, Nahid Jafarikouhini, Lauren Turner, Luke Gatiboni, Steve Phillips, Dorivar Ruiz Diaz, Javed Iqbal, Daniel Kaiser, Andrew Margenot","doi":"10.1007/s11104-025-07851-3","DOIUrl":"https://doi.org/10.1007/s11104-025-07851-3","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>Previously, triple super phosphate (TSP) application to one soil type was unexpectedly found to cause with soil drying an initiation of linear decrease in maize transpiration rate at an unusually high soil water content. The resulting overall slower soil water extraction resulted in crop drought resilience. A key issue is whether the response occurs with drying of other soils. The objective of this study was to document for six soils collected from US maize production areas their transpiration response on drying soil to TSP and their root hydraulic conductance.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>Maize plants were grown in pots on soil treated with either TSP or diammonium phosphate (DAP) and soil pH of 5.4 or 6.5. Data from daily pot weighing over a 10–14 dry-down period were used to determine soil water content at initiation of transpiration decrease. A second set of experiments determined root hydraulic conductance of well-irrigated plants grown on these six soils.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>The initiation of transpiration decrease occurred at an unusually high soil water content for five of the six soils at pH 6.5 treated with TSP. Root hydraulic conductance was substantially decreased for plants on all six soils treated with TSP and pH 6.5.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>Results were consistent with the previous observation that transpiration decrease with TSP soil application was initiated at an unusually high soil water content, which was indicative of increased crop drought resilience. The TSP-induced transpiration sensitivity to soil drying appeared to be linked to an observed decrease in root hydraulic conductance.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":"96 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145017265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The impact of nitrogen forms on the ecological function and community assembly of biocrusts in Gurbantunggut Desert","authors":"Long Qian, Jingshang Xiao, Shiqi Wang, Ling Xia, Shaoxian Song, Xiaoyan Liu, Yan Gong, Li Wu","doi":"10.1007/s11104-025-07827-3","DOIUrl":"https://doi.org/10.1007/s11104-025-07827-3","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background</h3><p>The ecological functions of biocrusts and microbial assembly processes under nitrogen deposition remain poorly understood, despite their critical roles in desert ecosystems facing increasing atmospheric nitrogen inputs.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>A three-year field experiment in China's Gurbantunggut Desert tested three nitrogen forms (nitrate-N, ammonium-N, urea-N) across gradient doses on cyanobacteria- and moss-biocrusts. We combined high-throughput sequencing, enzymatic activity assays, structural equation modeling (SEM), and null-model analysis to assess microbial diversity, soil multifunctionality (C/N cycling enzymes), and community assembly mechanisms.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>High-throughput sequencing results indicated that bacterial diversity and richness within the biocrusts were more pronounced than those of diazotrophs and fungi, with the community composition influenced by nitrogen form, dose, and time. Ammonium-N was found to significantly reduce the soil multifunctionality and C/N cycling index in both types of biocrusts, while urea-N had the opposite effect. SEM identified pH, microbial biomass and exopolysaccharides as key mediators of nitrogen effects on biocrust stability. Null-model analysis further showed that stochastic processes dominated microbial assembly, but deterministic selection increased with ammonium-N exposure.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Urea-N universally boosted productivity across biocrust types, while ammonium-N exhibited time-lagged ecotoxicity, culminating in 40% soil multifunctionality loss of biocrust after two years. Critically, nitrate-N shifted from stabilizing cyanobacteria-biocrusts at low doses to suppressing moss-biocrusts function at higher doses—underscoring ecosystem-specific nitrogen response frameworks. These varying trajectories of biocrusts highlight the need for tailored nitrogen management in dryland restoration.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":"39 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145017589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Legume choice matters: different effects on Brassica napus agronomic performance and root-associated bacterial communities in intercropping systems","authors":"Waad Bousselmi, Alice Calvo, Takoua Gritli, Mustapha Missbah El Idrissi, Thomas Reitz, Fabiano Sillo, Raffaella Balestrini, Bacem Mnasri","doi":"10.1007/s11104-025-07855-z","DOIUrl":"https://doi.org/10.1007/s11104-025-07855-z","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and Aims</h3><p><i>Brassica napus</i> L., an oilseed crop, is one of the three major crop groups contributing to global food production. It is generally grown as a monoculture and is very demanding in terms of nitrogen inputs. To meet the nutritional needs of <i>B. napus</i> and to reduce the excessive use of chemical inputs, intercropping with legumes plays an important role in agricultural ecosystems. This study aims to assess how different intercropping systems with two forage legumes (<i>Medicago sativa</i> L. and <i>Hedysarum coronarium</i> L.) affect the biometric parameters of <i>B. napus</i> and influence the associated bacterial communities in the rhizosphere and root compartments.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>A two-year field experiment was conducted to assess how <i>M. sativa</i> L. and <i>H. coronarium</i> L. intercropping influences <i>B. napus</i> biometric parameters and bacterial communities in both rhizosphere and root compartments, with particular emphasis on inter-annual variability and temporal dynamics of plant–microbe interactions.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Our results showed that the agronomic parameters varied among the different cultivation systems and between the two growing seasons (2022 and 2023). <i>H. coronarium</i> proved to be the best legume to be used in intercropping with <i>B. napus</i>, particularly under drought conditions. Thus, this legume demonstrated high potential for supporting oilseed production when water availability is limited, highlighting its value for climate-resilient cropping systems. The intercropped legume species also shaped the bacterial communities in both the rhizosphere and <i>B. napus</i> roots, with Vicinamibacterales and Caulobacterales orders that increased in legume-canola intercropping systems.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>This study demonstrates that in intercropping with legumes, the promotion of <i>B. napus</i> growth depends on the legume species choice. Moreover, intercropping practice affects bacterial composition, particularly in <i>B. napus</i> roots, suggesting different microbial recruitment mediated by the presence of a specific legume.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":"86 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145017168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of daytime and nighttime warming on C: N: P stoichiometry in leaf-root-soil system and plant biomass","authors":"Bingheng Cheng, Qiang Yu, Zhengyan Lei, Panpan Zhao, Yuanhao Zhang, Qianfeng Yuan, Zhuoyi Wu, Biying Liu, Ting Zhou, Shaolin Peng","doi":"10.1007/s11104-025-07840-6","DOIUrl":"https://doi.org/10.1007/s11104-025-07840-6","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>Daytime warming (DW) and nighttime warming (NW) affect terrestrial ecosystems differently. Carbon (C): nitrogen (N): phosphorus (P) stoichiometry ratios can reflect plant nutrient dynamics in changing environments. However, it is not clear how C: N: P stoichiometry ratios of different plant organs and soil respond to DW and NW, and consequently responses affect the biomass.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>We investigated how experimental warming (CK: no warming, DW: daytime warming, NW: nighttime warming, DW+NW: daily warming) impact C: N: P stoichiometry in leaf-root-soil system and plant above-and belowground biomass.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>The results showed that all warming treatments significantly increased biomass and decreased soil C: N and C: P ratios, but the sum of the net effects of DW and NW treatments was not equal to the effect of DW+NW treatment. There were no significant changes observed in leaf total N content, leaf C: N, root total P content, and root C: P in all warming treatments. Soil variable group explain more of the variation in AGB and root variable group explain more of the variation in BGB. Our findings demonstrated that the effects of DW and NW treatments on soil C: N: P stoichiometry ratios were asymmetric, but on plant C: N: P stoichiometry ratios were similar. The C: N: P stoichiometric ratios of plant roots and leaves in response to daytime and nighttime warming are regulated by N and P, respectively, indicating that N and P have different partitioning strategies in leaves and roots.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Plant biomass responses to warming are tightly linked to C: N: P stoichiometric coordination across the leaf-root-soil system. These results have important implications for our understanding of how plants regulate N and P partitioning in above- and belowground organs under daytime and nighttime warming and highlight the important role of plant N and P asymmetric partitioning strategies in optimizing survival and increasing biomass.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":"31 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145017502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of different remediation measures on rare earth elements and non-rare earth toxic elements in rare earth tailings soil and navel orange","authors":"Jie Luo, Qin Zhang, Xiulong Chen, Kai Zhou, Jiahui Zhou, Xiaomin Zhao","doi":"10.1007/s11104-025-07838-0","DOIUrl":"https://doi.org/10.1007/s11104-025-07838-0","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and Aims</h3><p>The heap leaching technique causes considerable damage to environment during the mining of ionic rare earth ore in southern China. Restoration of abandoned mining sites into arable land requires determination of the contents of rare earth elements (REEs) and non-rare earth toxic elements in soil and crops.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>In the present study, five treatments, including rare earth tailings without any amendment or navel orange cultivation (RET), biochar and fly ash combined with three organic fertilizers (cow manure organic fertilizer [CF], pig manure organic fertilizer [PF], sugarcane bagasse organic fertilizer [SF]), and a treatment without any amendments (CK) were arranged to explore the effects of different treatments on rare earth and non-rare earth toxic elements contents in soil and crops.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Total EDTA-extractable concentrations of REEs in CF, PF, and SF soils were 42.8%, 26.7%, and 30.5% lower than that those in CK, respectively. Total EDTA-extractable concentrations of non-REEs in the CF, PF, and SF, soils were significantly higher than those in the CK, with the highest in PF, at 337.5%. Compared with CK, all treatments reduced total REEs in navel orange leaves, peel, and pulp. Besides, total rare earth and non-rare earth toxic elements contents in the pulp of the all-treatments navel oranges were all lower than the pollutant limit values for food.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Use of biochar, fly ash, and SF is the optimal strategy for improving ionic rare earth tailings soil, and navel orange cultivation, is a potential strategy for remediating such abandoned mining sites.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":"71 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144995193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of different cultivation patterns of grasses on plant community structure, soil physicochemical properties, microbial community structure, and functions","authors":"Yongshang Tong, Chunping Zhang, Yang Yu, Quan Cao, Zengzeng Yang, Xiaofang Zhang, Yuzhen Liu, Lian Huo, Quanmin Dong","doi":"10.1007/s11104-025-07663-5","DOIUrl":"https://doi.org/10.1007/s11104-025-07663-5","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>Plant cultivation patterns play a crucial role in regulating and maintaining the productivity of artificial grasslands. However, the mechanisms by which these patterns influence soil physicochemical properties and microbial traits remain unknown.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>A comprehensive 4-year investigation was conducted to analyze the characteristics of plants, soils, and microorganisms under three distinct cultivation patterns (ZC, <i>Festuca sinensis cv</i>. Qinghai + <i>Poa pratensis cv</i>. Qinghai; CLZ, <i>Festuca sinensis cv</i>. Qinghai + <i>Poa pratensis cv</i>. Qinghai + <i>Poa crymophila cv</i>. Qinghai; TZCL, <i>Festuca sinensis cv</i>. Qinghai + <i>Poa pratensis cv</i>. Qinghai + <i>Poa crymophila cv</i>. Qinghai + <i>Elymus sibiricus cv</i>. Tongde).</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>The findings showed that the temporal succession altered productivity relationships of different cultivation patterns of grasses. Notably, these diverse cultivation patterns significantly influenced the soil's physicochemical properties and microbial community structure. When comparing the three cultivation patterns, the ZC cultivation pattern sustained a relatively high aboveground biomass for 3–4 years following planting. Moreover, ZC pattern positively contributed to enhancing soil fertility and fostering the accumulation of beneficial microorganisms, thereby promoting a conducive environment for plant growth. Soil pH was significantly lower in the ZC pattern than in the CLZ and TZCL patterns, mitigating the soil's tendency toward salinization. </p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>The ZC cultivation pattern emerges as the most favorable choice for the sustainable management of artificial grasslands in the Qinghai-Tibet Plateau (QTP).</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":"35 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144995194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Fall dormancy seasonally drives alfalfa–soil interactions by modulating soil nutrient levels and microbial community in semi-arid northwestern China","authors":"Shengzhican Li, Kanzhuo Zan, Yitong Chen, Kezhen Wang, Yang Qu, Mingxiu Long, Shubin He","doi":"10.1007/s11104-025-07842-4","DOIUrl":"https://doi.org/10.1007/s11104-025-07842-4","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Aims</h3><p>Fall dormancy (FD) in alfalfa (<i>Medicago sativa</i> L.) is a physiological adjustment strategy that affects forage yield, winter survival rates and spring regrowth. This study aimed to determine whether FD could drive alfalfa–soil interactions by modulating soil nutrient dynamics and the microbial community structure.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>We assessed the root traits, soil properties, and microbial communities (bacteria/fungi) of alfalfa cultivars representing dormant (D), semi-dormant (SD), and non-dormant (ND) FD types during both growing and dormant seasons in semi-arid northwestern China.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Our results indicated that total nitrogen (TN), soil organic carbon (SOC), and total phosphorus (TP) content increased with FD level during dormancy, whereas TN, sucrase activity, and protease activity generally decreased during the growing season. Furthermore, both the bacterial and fungal diversity indices were lower in the dormant season than in the growing season. Microbial co-occurrence networks revealed that the proportion of positive bacterial-fungal correlations increased with increasing FD level in the dormant season, while negative correlations decreased. During the dormant season, FD exerted highly significant positive effects on soil nutrients, enzymes, and root nutrition but significantly reduced alfalfa biomass and microbial biomass. Conversely, FD positively influenced root nutrients and microbial biomass during the growing season.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Our results highlight the importance of FD-driven rhizosphere effects on nutrient cycling and soil microbial communities, particularly during dormancy. This study provides valuable information for understanding complex FD-driven plant–soil interactions in alfalfa cultivation systems.</p><h3 data-test=\"abstract-sub-heading\">Graphical Abstract</h3>\u0000","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":"11 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145017588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of the phosphate solubilization efficiency of different phosphorus sources by Endophytic fungus Serendipita indica under arsenic stress","authors":"Aparna Singh Kushwaha, Arpita Maurya, Manoj Kumar","doi":"10.1007/s11104-025-07801-z","DOIUrl":"https://doi.org/10.1007/s11104-025-07801-z","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and Aims</h3><p>Despite the competitive behavior of arsenate (AsV) with inorganic phosphate (Pi), <i>S. indica</i> association enhances plant growth under arsenic stress by reducing arsenic bioavailability. However, at the same time, the capability of <i>S. indica</i> to improve P-solubilization and its utilization under arsenic stress has not been explored.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>We first examined the <i>S. indica</i> ability to tolerate arsenic by measuring its growth and biomass in the presence of various P sources under arsenic stress. Further, <i>S. indica</i> culture is investigated for the acidification and acid phosphatase (ACPase) activity when supplied with various P sources under arsenic stress.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>This study reveals that P-solubilization process is linked to the acidification and secretion of ACPase enzyme in <i>S. indica</i>. Our data suggest that arsenic does not hamper the acidification and extracellular acid phosphatase (ACPase) activity of the fungus, which is essential for P-solubilization by releasing free Pi from bound insoluble phosphorus (P) sources. However, at high arsenic availability, phosphate utilization by the fungus was reduced significantly due to arsenic toxicity and competition, leading to reduced fungal growth. Besides this, we also found that the P-solubilization process is not affected by arsenic. This Psolubilization occurs due to enhanced ACPase activity and a drop in pH in the surrounding medium.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>The study suggests that the fungus can solubilize and utilize diverse P sources available in the soil without the hindrance of arsenic, and therefore, <i>S. indica</i> can be a good candidate for arsenic remediator for crop plants with P benefits.</p><h3 data-test=\"abstract-sub-heading\">Graphical Abstract</h3>\u0000","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":"8 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144995192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Litter quality drives soil fauna species replacement without altering decomposition function in bamboo-invaded forests","authors":"Kui Long, Zhenyu Zhou, Gan Yu, Yakun Zhang, Yang Wang, Qingyun Wang, Yongchun Li, Junhao Huang","doi":"10.1007/s11104-025-07828-2","DOIUrl":"https://doi.org/10.1007/s11104-025-07828-2","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Background and aims</h3><p>Invasive plant species threaten ecosystems globally by disrupting native habitats, biodiversity, and ecosystem functions. This study examines how moso bamboo (<i>Phyllostachys edulis</i>) invasion affects soil fauna communities in subtropical forests.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>We conducted reciprocal litter transplants between uninvaded broadleaf and bamboo-invaded forests to test how litter quality influences soil fauna diversity and composition.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Reciprocal litter transplants reshaped soil fauna communities via species replacement, without altering diversity or decomposition function, indicating functional redundancy. Notably, high-quality bamboo litter selectively altered fauna composition in low-quality litter habitats, whereas low-quality litter showed no reciprocal influence in bamboo-invaded soils.</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>Our findings reveal that litter quality mediates invasion impacts by altering community composition rather than function, highlighting the stabilizing role of functional redundancy. To mitigate invasion effects, management strategies should focus on reducing high-quality invader litter (e.g., removing <i>P. edulis</i> leaves) to limit its disproportionate influence on native soil fauna. These findings underscore the complex link between litter quality, soil communities, and ecosystem resilience under plant invasion.</p>","PeriodicalId":20223,"journal":{"name":"Plant and Soil","volume":"24 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}