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Journal articles on the topic 'Rhizosphere deficiency'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Ye, Yu, Xufang Zhan, Kai Wang, et al. "A Symbiotic Fungus Sistotrema Benefits Blueberry Rejuvenation and Abiotic Stress Tolerance." Journal of Fungi 9, no. 7 (2023): 779. http://dx.doi.org/10.3390/jof9070779.

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Blueberry (Vaccinium spp.) rhizosphere microorganisms can significantly increase the absorption area and improve the efficiency of rhizospheric nutrient uptake. However, there has been little research on blueberry rhizosphere microorganisms, especially those that can complement root function deficiency. In this study, we analyzed the rhizosphere fungi of ‘O’Neal,’ ‘Sharpblue,’ and ‘Premier’ blueberry cultivars and found that ‘Premier’ blueberries showed strong growth potential and relatively high root regulation ability. The dominant symbiotic fungus Sistotrema was correlated with the strong g

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Liu, Haitao, Philip J. White, and Chunjian Li. "Biomass partitioning and rhizosphere responses of maize and faba bean to phosphorus deficiency." Crop and Pasture Science 67, no. 8 (2016): 847. http://dx.doi.org/10.1071/cp16015.

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Maize (Zea mays L.) and faba bean (Vicia faba L.) have contrasting responses to low phosphorus (P) supply. The aim of this work was to characterise these responses with respect to the partitioning of biomass between shoot and root and biochemical modification of the rhizosphere. Maize and faba bean were grown in rhizoboxes in soil with a low P (10 mg kg–1) or high P (150 mg kg–1) supply. Solutions were collected from rhizosphere and bulk soil by suction, using micro-rhizons in situ. The pH and water-soluble P (Pi) were determined on the solutions collected by using micro-rhizons. Olsen P, soil

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3

Liu, Wuyu, Guoqing Wang, Shiming Wen, et al. "Microbiome-Mediated Mechanisms Regulating Adaptability to Iron Deficiency in the Intercropping System of Soybean and Maize." Agronomy 15, no. 2 (2025): 286. https://doi.org/10.3390/agronomy15020286.

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Iron (Fe) deficiency is a pervasive agricultural concern on a global scale. Intercropping plays a pivotal role in activating soil nutrient cycling and crop nutrient uptake and utilization. This study integrates plant physiology, soil physicochemical determination, high-throughput sequencing, and metabolomics techniques to conduct pot experiments using field-collected soils with soybean and maize plants. This study aims to investigate the mechanisms through which microorganisms in a soybean–maize intercropping system regulate Fe deficiency adaptation. The results revealed that intercropping enh

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Imler, Christopher S., Camila I. Arzola, and Gerardo H. Nunez. "Ammonium Uptake Is the Main Driver of Rhizosphere pH in Southern Highbush Blueberry." HortScience 54, no. 5 (2019): 955–59. http://dx.doi.org/10.21273/hortsci13764-18.

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Unlike most horticultural crops, blueberry (Vaccinium spp. section cyanococcus) prefers low-pH (4.2–5.5) soils. Other plants can acidify their rhizosphere to create a hospitable microenvironment. Southern highbush blueberry (SHB; Vaccinium corymbosum interspecific hybrids) plants do not acidify their rhizosphere in response to Fe deficiency, but other factors that affect rhizosphere pH have not been elucidated. We report results from two hydroponic experiments exploring N uptake effects on the rhizosphere pH of ‘Emerald’ SHB. Ammonium (NH4+) uptake led to rhizosphere acidification, whereas nit

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Molnár, Zoltán, Wogene Solomon, Lamnganbi Mutum, and Tibor Janda. "Understanding the Mechanisms of Fe Deficiency in the Rhizosphere to Promote Plant Resilience." Plants 12, no. 10 (2023): 1945. http://dx.doi.org/10.3390/plants12101945.

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One of the most significant constraints on agricultural productivity is the low availability of iron (Fe) in soil, which is directly related to biological, physical, and chemical activities in the rhizosphere. The rhizosphere has a high iron requirement due to plant absorption and microorganism density. Plant roots and microbes in the rhizosphere play a significant role in promoting plant iron (Fe) uptake, which impacts plant development and physiology by influencing nutritional, biochemical, and soil components. The concentration of iron accessible to these live organisms in most cultivated s

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Zhang, Guifen, Wei Liu, Yi Feng, et al. "Ethylene Response Factors MbERF4 and MbERF72 Suppress Iron Uptake in Woody Apple Plants by Modulating Rhizosphere pH." Plant and Cell Physiology 61, no. 4 (2019): 699–711. http://dx.doi.org/10.1093/pcp/pcz234.

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Abstract Iron (Fe) deficiency limits the yield of fruit trees. When subjected to Fe deficiency, H+ secretion increases in the rhizosphere of dicotyledonous plants and pH decreases. This leads to the acidification of the soil and promotes Fe3+ to Fe2+ conversion, which plants can better uptake. This study investigated the relationship between two inhibitory transcription factors (ethylene response factors MbERF4 and MbERF72) and the H+-ATPase gene MbHA2. Two species of apple woody plants were studied: the Fe-inefficient Malus baccata and the Fe-efficient Malus xiaojinensis. Yeast one-hybrid and

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Golestanifard, Alireza, Markus Puschenreiter, Amal Aryan, and Walter Wenzel. "Phosphorus depletion controls Cu and Zn biogeochemistry in canola and corn rhizosphere on a calcareous soil." Plant, Soil and Environment 67, No. 8 (2021): 443–52. http://dx.doi.org/10.17221/122/2021-pse.

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Phosphorus (P) deficiency may trigger rhizodeposition, including protons and organic compounds, with possible effects on metal solubility and speciation. To explore the relevance of this process, we investigated biogeochemical changes in the rhizosphere of P-deficient canola (Brassica napus L.) and corn (Zea mays L.) cultivars grown in a pot experiment on calcareous soil. Depletion of total soluble (0.005 mol/L Ca(NO3)2-extractable) P in the rhizosphere varied with crop species and cultivar but was generally strong and negatively correlated with dissolved organic carbon (DOC) in canola (R2 = 0

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8

Baccari, Basma, and Abdelmajid Krouma. "Rhizosphere Acidification Determines Phosphorus Availability in Calcareous Soil and Influences Faba Bean (Vicia faba) Tolerance to P Deficiency." Sustainability 15, no. 7 (2023): 6203. http://dx.doi.org/10.3390/su15076203.

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Calcareous soils are known for their alkaline pH-promoting insoluble forms of certain nutrients, including phosphorus (P). Rhizosphere acidification is one of the main physiological mechanisms of phosphorus mobilization by plants. However, specific and genotypic differences in response to P deficiency are often observed, giving some genotypes particular tolerance abilities. This genetic potential gives us a new opportunity to colonize unused lands, improve yield in problematic soils, and install sustainable agrosystems. To this end, a potted experiment was conducted on three faba bean genotype

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Montejano-Ramírez, Vicente, and Eduardo Valencia-Cantero. "Cross-Talk between Iron Deficiency Response and Defense Establishment in Plants." International Journal of Molecular Sciences 24, no. 7 (2023): 6236. http://dx.doi.org/10.3390/ijms24076236.

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Plants are at risk of attack by various pathogenic organisms. During pathogenesis, microorganisms produce molecules with conserved structures that are recognized by plants that then initiate a defense response. Plants also experience iron deficiency. To address problems caused by iron deficiency, plants use two strategies focused on iron absorption from the rhizosphere. Strategy I is based on rhizosphere acidification and iron reduction, whereas Strategy II is based on iron chelation. Pathogenic defense and iron uptake are not isolated phenomena: the antimicrobial phenols are produced by the p

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10

Albano, Joseph P., and William B. Miller. "Iron Deficiency Stress Influences Physiology of Iron Acquisition in Marigold (Tagetes erecta L.)." Journal of the American Society for Horticultural Science 121, no. 3 (1996): 438–41. http://dx.doi.org/10.21273/jashs.121.3.438.

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Excised roots of `First Lady' marigold (Tagetes erecta L.) grown in an aerated 0 Fe nutrient solution had Fe(III)-DTPA reductase activity 14-fold greater, and an enhanced ability to acidify the rhizosphere than plants grown in a solution containing 0.018 mm (1 ppm) Fe-DTPA. Reductase activity and rhizosphere acidification of plants grown in 0.018 and 0.09 mm Fe-DTPA were similar. Manganese concentration in leaves of plants grown in the 0 Fe treatment was 2-fold greater than in leaves of plants grown in the 0.018 mm Fe-DTPA treatment. These results indicated that `First Lady' marigold is an Fe-

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11

A., Rivaie Achmad, and Tillman Russ W. "RHIZOSPHERE pH AND PHOSPHATASE ACTIVITY IN ORTHIC ALLOPHANIC SOIL UNDER Pinus radiata SEEDLINGS GROWN WITH BROOM AND RYEGRASS." JOURNAL OF FORESTRY RESEARCH 6, no. 1 (2009): 38–52. https://doi.org/10.20886/ijfr.2009.6.1.38-52.

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  Under  <em>Pinus radiata </em>plantations  where  the tree spacing  is wider  and most soils are phosphorus  (P) deficient,  the radiata  tree response to P fertilizer is expected  to be more influenced  by  the interaction between  the applied  P fertilizer, the tree and understorey vegetation.  Therefore,  a better understanding of the soil P chemistry under radiata pine trees in association  with  other  plants  is required.  We investigated  the effect of broom  (<em>Cytisus

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Rakotoson, Tovohery, Maire Holz, and Matthias Wissuwa. "Phosphorus deficiency tolerance in Oryza sativa: Root and rhizosphere traits." Rhizosphere 14 (June 2020): 100198. http://dx.doi.org/10.1016/j.rhisph.2020.100198.

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13

Schogolev, A. S., and I. M. Raievska. "Role of nitrogen deficiency on growth and development near isogenic by E genes lines of soybean co-inoculated with nitrogen-fixing bacteria." Regulatory Mechanisms in Biosystems 12, no. 2 (2021): 326–34. http://dx.doi.org/10.15421/022144.

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Nitrogen deficiency is a limiting factor in increasing efficiency of crop production in terrestrial ecosystems, and the transformation of inert nitrogen to forms that can be assimilated by plants is mediated by soil microorganisms. Symbiotic nitrogen-fixing bacteria and roots depend on each other and have developed various mechanisms for symbiotic coexistence. The aim of this work was to investigate the role of nitrogen deficiency on growth and development near isogenic by E genes lines of soybean (Glycine max (L.) Merr.): short-day (SD) line with genotype Е1е2е3(Е4е5Е7), and photoperiodic ins

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14

Yang, Yongfeng, Zhixiao Yang, Shizhou Yu, and Hongli Chen. "Organic Acids Exuded From Roots Increase the Available Potassium Content in the Rhizosphere Soil: A Rhizobag Experiment in Nicotiana tabacum." HortScience 54, no. 1 (2019): 23–27. http://dx.doi.org/10.21273/hortsci13569-18.

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Organic acid secretion from higher plant roots into the rhizosphere soil plays an important role in nutrient acquisition and metal detoxification; however, their precise functions and the related mechanisms in abiotic stress tolerance remain poorly understood. Tobacco is an important crop plant, so thoroughly elucidating these factors in tobacco is of high priority. In the present study, the activation effect on soil potassium (K), contents of exuded organic acids, and physiological changes in the roots of various tobacco varieties under both normal K supply and K-deficiency stress were invest

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15

Tagliavini, M., A. D. Rombolà, and B. Marangoni. "Response to Iron-deficiency Stress of Pear Genotypes." HortScience 30, no. 4 (1995): 756B—756. http://dx.doi.org/10.21273/hortsci.30.4.756b.

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Pear rootstocks differ in tolerance to calcareous and alkaline soils. Roots of Fe-efficient dicots react to Fe-deficiency stress by strongly enhancing the Fe3+-reductase system, termed turbo-reductase, and by lowering the rhizosphere pH. In this study, we tested whether such adaptation mechanisms characterize pear and quince genotypes. Two trials were performed using micropropagated plants of three quince rootstocks (BA29, CTS212, and MC), three Pyrus communis rootstocks (OH × F51 and two selections obtained at Bologna Univ.: A28 and B21) and of two pear cultivars (Abbé Fétel and Bartlett, o

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16

Nunez, Gerardo H., James W. Olmstead, and Rebecca L. Darnell. "Rhizosphere Acidification is Not Part of the Strategy I Iron Deficiency Response of Vaccinium arboreum and the Southern Highbush Blueberry." HortScience 50, no. 7 (2015): 1064–69. http://dx.doi.org/10.21273/hortsci.50.7.1064.

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Vaccinium arboreum (VA) is a wild blueberry species that exhibits wider soil pH tolerance and greater ability for iron and nitrate uptake than cultivated Vaccinium species, including southern highbush blueberry (SHB, V. corymbosum interspecific hybrids). The ability of VA and SHB to respond to iron deficiency by rhizosphere acidification was investigated. Rooted cuttings of the VA genotype FL09-502 and SHB ‘Emerald’ were transplanted to a hydroponic system filled with complete nutrient solution. After 14 days of acclimation at 45 µm iron, plants were transferred to unbuffered nutrient solution

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17

AKSOY, Emre. "Barley preferentially activates strategy-II iron uptake mechanism under iron deficiency." Biotech Studies 33, no. 1 (2024): 22–36. http://dx.doi.org/10.38042/biotechstudies.1442001.

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Plants utilize two main strategies for iron (Fe) uptake from the rhizosphere. Strategy-I is based on the reduction of ferric (Fe3+) to ferrous (Fe2+) iron by ferric chelate reductase (FCR) and is mainly observed in dicots. Strategy-II utilizes the complexation of Fe3+ with phytosiderophores secreted from the plant roots and mainly evolved in Gramineous species, including barley (Hordeum vulgare). Recent studies suggest that some species use a combination of both strategies for more efficient Fe uptake. However, the preference of barley for these strategies is not well understood. This study in

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18

Schefe, C. R., M. Watt, W. J. Slattery, and P. M. Mele. "Organic anions in the rhizosphere of Al-tolerant and Al-sensitive wheat lines grown in an acid soil in controlled and field environments." Soil Research 46, no. 3 (2008): 257. http://dx.doi.org/10.1071/sr07139.

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Several sampling methods were investigated for the quantification of organic anions in the rhizosphere of Al-tolerant (ET8) and Al-sensitive (ES8) wheat plants in soil systems. Controlled environment studies used anion exchange membranes to collect rhizosphere organic anions (from root tips and mature regions of nodal roots) from ET8 and ES8 plants at the 6-leaf stage in a glasshouse environment. Using the anion exchange membranes, a selection of organic anions were detected on the tips and mature regions of roots, with ET8 and ES8 having similar rhizosphere organic anion profiles. The field e

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19

de Vos, C. Ric, Henk J. Lubberding, and H. Frits Bienfait. "Rhizosphere Acidification as a Response to Iron Deficiency in Bean Plants." Plant Physiology 81, no. 3 (1986): 842–46. http://dx.doi.org/10.1104/pp.81.3.842.

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20

Thepbandit, Wannaporn, and Dusit Athinuwat. "Rhizosphere Microorganisms Supply Availability of Soil Nutrients and Induce Plant Defense." Microorganisms 12, no. 3 (2024): 558. http://dx.doi.org/10.3390/microorganisms12030558.

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Plant health is necessary for food security, which is a key determinant of secure and sustainable food production systems. Deficiency of soil nutrients and invasion of plant pathogens or insects are the main destroyers of the world’s food production. Synthetic fertilizers and chemical-based pesticides are frequently employed to combat the problems. However, these have negative impacts on microbial ecosystems and ecosystem functioning. Rhizosphere microorganisms have demonstrated their potency to improve or manage plant nutrients to encourage plant growth, resulting in increased yield and quali

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Aksoy, Emre, Amir Maqbool, and Buasimuhan Abudureyimu. "Arpa Nikotinamin Sentaz1 (HvNAS1) Genini Yüksek Seviyede İfade Eden Arabidopsis thaliana Bitkileri Demir Eksikliğine Dayanıklılık Gösterir." Turkish Journal of Agriculture - Food Science and Technology 8, sp1 (2020): 70–79. http://dx.doi.org/10.24925/turjaf.v8isp1.70-79.3974.

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Iron (Fe) is an important trace mineral for plant development, and plants grown in Fe deficiency experience yield losses due to the leaf chlorosis. In addition to agronomic measures that can be taken to minimize these losses, new plant genotypes can be developed effectively through genetic engineering. While dicots such as Arabidopsis thaliana use a reduction-based strategy to uptake high amounts of iron from the rhizosphere, the chelation strategy has evolved in Gramineous plants including barley (Hordeum vulgare). In this study, barley NICOTIANAMINE SYNTHASE1 (HvNAS1) gene, which is responsi

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Irmadamayanti, A., M. Jayadi, and K. Mantja. "Isolation of potential Zn solubilizing bacteria from corn rhizosphere." IOP Conference Series: Earth and Environmental Science 1255, no. 1 (2023): 012017. http://dx.doi.org/10.1088/1755-1315/1255/1/012017.

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Abstract Deficiency of micronutrients is a limiting factor in crop productivity. In terms of micronutrient deficiencies, zinc (Zn) deficiency is considered the most common. Obstacles to the availability of Zn in plants are not caused by the low total concentration of Zn, but by the low solubility of Zn in the soil. Therefore, a feasible approach is to exploit the capacity of soil microorganisms, especially bacteria, to convert the insoluble form of Zn to the soluble form of Zn, thereby increasing its availability and ability of plants to absorb it. This study aims to isolate various bacteria w

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Lucena, Carlos, María T. Alcalá-Jiménez, Francisco J. Romera, and José Ramos. "Several Yeast Species Induce Iron Deficiency Responses in Cucumber Plants (Cucumis sativus L.)." Microorganisms 9, no. 12 (2021): 2603. http://dx.doi.org/10.3390/microorganisms9122603.

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Iron (Fe) deficiency is a first-order agronomic problem that causes a significant decrease in crop yield and quality. Paradoxically, Fe is very abundant in most soils, mainly in its oxidized form, but is poorly soluble and with low availability for plants. In order to alleviate this situation, plants develop different morphological and physiological Fe-deficiency responses, mainly in their roots, to facilitate Fe mobilization and acquisition. Even so, Fe fertilizers, mainly Fe chelates, are widely used in modern agriculture, causing environmental problems and increasing the costs of production

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Gómez-Suárez, Andrea Danaé, Cécile Nobile, Michel-Pierre Faucon, Olivier Pourret, and David Houben. "Fertilizer Potential of Struvite as Affected by Nitrogen Form in the Rhizosphere." Sustainability 12, no. 6 (2020): 2212. http://dx.doi.org/10.3390/su12062212.

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Struvite is increasingly considered a promising alternative to mined phosphorus (P) fertilizer. However, its solubility is very low under neutral to alkaline pH while it increases with acidification. Here, we investigated whether supplying ammonium to stimulate rhizosphere acidification might improve struvite solubility at the vicinity of roots and, ultimately, enhance P uptake by plants. Using a RHIZOtest design, we studied changes in soil pH, P availability and P uptake by ryegrass in the rhizosphere and bulk soil supplied with either ammonium or nitrate under three P treatments: no-P, tripl

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Muhilan, Gangadaran, Venkatraman Ganesan Venkatesan, A. Kalaiselvi, Kannan Poongothai Leninbabu, S. Harini, and M. Karthikeyan. "Unravelling the Zone of Rhizosphere and its Biotic Interaction over Plant-Soil Relationship." International Journal of Current Microbiology and Applied Sciences 13, no. 11 (2024): 68–81. https://doi.org/10.20546/ijcmas.2024.1311.009.

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Intensive agriculture, while increasing food production, has caused second generation problems in respect of nutrient imbalance including greater mining of soil nutrients to the extent of 10 million tons every year depleting soil fertility, emerging deficiencies of secondary and micronutrients, decline of water table and its quality of water, decreasing organic carbon content, and overall deterioration in soil health. Indian soils not only show deficiency in both primary nutrients (Nitrogen, Phosphorous and Potassium) but also of secondary nutrients (Sulphur, Calcium and Magnesium) and micronu

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Namyslov, Jiří, Zuzana Bauriedlová, Jana Janoušková, Aleš Soukup, and Edita Tylová. "Exodermis and Endodermis Respond to Nutrient Deficiency in Nutrient-Specific and Localized Manner." Plants 9, no. 2 (2020): 201. http://dx.doi.org/10.3390/plants9020201.

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The exodermis is a common apoplastic barrier of the outer root cortex, with high environmentally-driven plasticity and a protective function. This study focused on the trade-off between the protective advantages provided by the exodermis and its disadvantageous reduction of cortical membrane surface area accessible by apoplastic route, thus limiting nutrient acquisition from the rhizosphere. We analysed the effect of nutrient deficiency (N, P, K, Mg, Ca, K, Fe) on exodermal and endodermal differentiation in maize. To differentiate systemic and localized effects, nutrient deficiencies were appl

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Paliwoda, Dominika, Grzegorz Mikiciuk, Małgorzata Mikiciuk, Anna Kisiel, Lidia Sas-Paszt, and Tymoteusz Miller. "Effects of Rhizosphere Bacteria on Strawberry Plants (Fragaria × ananassa Duch.) under Water Deficit." International Journal of Molecular Sciences 23, no. 18 (2022): 10449. http://dx.doi.org/10.3390/ijms231810449.

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Due to the observed climate warming, water deficiency in soil is currently one of the most important stressors limiting the size and quality of plant crops. Drought stress causes a number of morphological, physiological, and biochemical changes in plants, limiting their growth, development, and yield. Innovative methods of inducing resistance and protecting plants against stressors include the inoculation of crops with beneficial microorganisms isolated from the rhizosphere of the plant species to which they are to be applied. The aim of the present study was to evaluate 12 different strains o

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Greenfield, Lucy M., Paul W. Hill, Eric Paterson, Elizabeth M. Baggs, and Davey L. Jones. "Do plants use root-derived proteases to promote the uptake of soil organic nitrogen?" Plant and Soil 456, no. 1-2 (2020): 355–67. http://dx.doi.org/10.1007/s11104-020-04719-6.

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Abstract Aims The capacity of plant roots to directly acquire organic nitrogen (N) in the form of oligopeptides and amino acids from soil is well established. However, plants have poor access to protein, the central reservoir of soil organic N. Our question is: do plants actively secrete proteases to enhance the breakdown of soil protein or are they functionally reliant on soil microorganisms to undertake this role? Methods Growing maize and wheat under sterile hydroponic conditions with and without inorganic N, we measured protease activity on the root surface (root-bound proteases) or exogen

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Nascimento, Sidney Vasconcelos do, Paulo Henrique de Oliveira Costa, Hector Herrera, et al. "Proteomic Profiling and Rhizosphere-Associated Microbial Communities Reveal Adaptive Mechanisms of Dioclea apurensis Kunth in Eastern Amazon’s Rehabilitating Minelands." Plants 11, no. 5 (2022): 712. http://dx.doi.org/10.3390/plants11050712.

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Dioclea apurensis Kunth is native to ferruginous rocky outcrops (known as canga) in the eastern Amazon. Native cangas are considered hotspots of biological diversity and have one of the largest iron ore deposits in the world. There, D. apurensis can grow in post-mining areas where molecular mechanisms and rhizospheric interactions with soil microorganisms are expected to contribute to their establishment in rehabilitating minelands (RM). In this study, we compare the root proteomic profile and rhizosphere-associated bacterial and fungal communities of D. apurensis growing in canga and RM to ch

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Rahman, Md Atikur, Monika Parvin, Urmi Das, et al. "Arbuscular Mycorrhizal Symbiosis Mitigates Iron (Fe)-Deficiency Retardation in Alfalfa (Medicago sativa L.) Through the Enhancement of Fe Accumulation and Sulfur-Assisted Antioxidant Defense." International Journal of Molecular Sciences 21, no. 6 (2020): 2219. http://dx.doi.org/10.3390/ijms21062219.

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Iron (Fe)-deficiency is one of the major constraints affecting growth, yield and nutritional quality in plants. This study was performed to elucidate how arbuscular mycorrhizal fungi (AMF) alleviate Fe-deficiency retardation in alfalfa (Medicago sativa L.). AMF supplementation improved plant biomass, chlorophyll score, Fv/Fm (quantum efficiency of photosystem II), and Pi_ABS (photosynthesis performance index), and reduced cell death, electrolyte leakage, and hydrogen peroxide accumulation in alfalfa. Moreover, AMF enhanced ferric chelate reductase activity as well as Fe, Zn, S and P in alfalfa

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Wang, Kefan, Zhenlu Qiu, Mei Zhang, et al. "Responses of Rhizosphere Soil Chemical Properties and Bacterial Community Structure to Major Afforestation Tree Species in Xiong’an New Area." Forests 13, no. 11 (2022): 1822. http://dx.doi.org/10.3390/f13111822.

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To explore the response of rhizosphere chemical and biological properties to eight major afforestation species in Xiong’an New Area, we measured rhizosphere soil properties in their pure stands and analyzed the bacterial community structure using a high-throughput sequencing platform. The results showed that: (1) Compared with coniferous species, broadleaved species had higher total nutrient concentration and pH in the rhizosphere but lower available nutrient concentration and soil moisture. Nitrate nitrogen deficiency was found in all stands. (2) Uncultured_bacterium_f_Longimicrobiaceae and R

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Tian, Shiqi, Yufeng Xu, Yanglin Zhong, et al. "Exploring the Organic Acid Secretion Pathway and Potassium Solubilization Ability of Pantoea vagans ZHS-1 for Enhanced Rice Growth." Plants 13, no. 14 (2024): 1945. http://dx.doi.org/10.3390/plants13141945.

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Soil potassium deficiency is a common issue limiting agricultural productivity. Potassium-solubilizing bacteria (KSB) show significant potential in mitigating soil potassium deficiency, improving soil quality, and enhancing plant growth. However, different KSB strains exhibit diverse solubilization mechanisms, environmental adaptability, and growth-promoting abilities. In this study, we isolated a multifunctional KSB strain ZHS-1, which also has phosphate-solubilizing and IAA-producing capabilities. 16S rDNA sequencing identified it as Pantoea vagans. Scanning electron microscopy (SEM) showed

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33

Wouterlood, Madeleine, Hans Lambers, and Erik J. Veneklaas. "Plant phosphorus status has a limited influence on the concentration of phosphorus-mobilising carboxylates in the rhizosphere of chickpea." Functional Plant Biology 32, no. 2 (2005): 153. http://dx.doi.org/10.1071/fp04084.

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Two experiments were conducted to investigate whether carboxylate exudation by chickpea (Cicer arietinum L.) is a response to phosphorus (P) deficiency or a constitutive trait. The effect of P supply on carboxylate concentrations in the plant and in the rhizosphere of chickpea cultivar Heera was studied in a sand culture. Plants were grown in pots supplied with 200 mL of solution containing 0–500 μm P every 3 d. Malonate was the main carboxylate exuded, and the main carboxylate in roots; shoots contained mainly citrate and malate. Contrary to what has been reported for other species, carboxyla

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Romera, Francisco J., and Esteban Alcántara. "Ethylene involvement in the regulation of Fe-deficiency stress responses by Strategy I plants." Functional Plant Biology 31, no. 4 (2004): 315. http://dx.doi.org/10.1071/fp03165.

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Plants have developed different mechanisms for the acquisition of iron (Fe). Depending on the mechanisms, plants are classified into two groups: Strategy I and Strategy II. Strategy I plants include all higher plants except the Gramineae, while Strategy II plants comprise the Gramineae. When plants suffer from Fe-deficiency, they develop several morphological and physiological changes in their roots, known as Fe-deficiency stress responses, which disappear when the plants acquire enough Fe. In Strategy I plants, these changes include subapical swelling with abundant root hairs, transfer cells,

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Li, Chen, and Yang. "The Molecular Mechanisms Underlying Iron Deficiency Responses in Rice." International Journal of Molecular Sciences 21, no. 1 (2019): 43. http://dx.doi.org/10.3390/ijms21010043.

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Iron (Fe) is an essential element required for plant growth and development. Under Fe-deficientconditions, plants have developed two distinct strategies (designated as strategy I and II) to acquire Fe from soil. As a graminaceous species, rice is not a typical strategy II plant, as it not only synthesizes DMA (2’-deoxymugineic acid) in roots to chelate Fe3+ but also acquires Fe2+ through transporters OsIRT1 and OsIRT2. During the synthesis of DMA in rice, there are three sequential enzymatic reactions catalyzed by enzymes NAS (nicotianamine synthase), NAAT (nicotianamine aminotransferase), and

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Walter, S., H. Heuberger, and W. H. Schitzler. "SENSIBILITY OF DIFFERENT VEGETABLES TO OXYGEN DEFICIENCY AND AERATION WITH H2O2 IN THE RHIZOSPHERE." Acta Horticulturae, no. 659 (November 2004): 499–508. http://dx.doi.org/10.17660/actahortic.2004.659.66.

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Kopittke, Peter M., and Neal W. Menzies. "Effect of Mn deficiency and legume inoculation on rhizosphere pH in highly alkaline soils." Plant and Soil 262, no. 1/2 (2004): 13–21. http://dx.doi.org/10.1023/b:plso.0000037023.18127.7a.

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Lei, Kai Jian, Jun Yan Xie, Yuan Yuan Zhu, Chun Peng Song, and Guo Yong An. "Screening and analysis of rhizosphere acidification deficiency mutants in Arabidopsis thaliana under low phosphorus." Soil Science and Plant Nutrition 61, no. 3 (2015): 493–500. http://dx.doi.org/10.1080/00380768.2015.1007025.

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Wu, Min-jing, Si-yu Huang, Jia-qi Wu, Lin-Lin Tang, Yu-yan Guo, and Ren-hua Huang. "Research Progress in Plant Selenium Enrichment." International Journal of Multidisciplinary Research and Growth Evaluation 6, no. 2 (2025): 1272–74. https://doi.org/10.54660/.ijmrge.2025.6.2.1272-1274.

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Selenium (Se) is an essential micronutrient for human health, with soil availability determining plant uptake. Global distribution varies, with China having both deficient and selenium-rich regions. Selenate shows higher bioavailability than selenite due to weaker soil adsorption. Soil pH and organic matter critically influence selenium availability, with alkaline conditions favoring selenate. Fertilizer type and application timing affect plant uptake, with foliar selenate application during late growth stages being most effective. Optimizing soil properties and rhizosphere processes can enhan

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AMINE-KHODJA, Ihsein Rokia, Rym MAOUGAL, and Abdelhamid DJEKOUN. "Bacteria Mineralizing Phytate In The Bean Rhizosphere In An Algerian Agro-Ecosystem." International Conference on Pioneer and Innovative Studies 1 (June 13, 2023): 122–26. http://dx.doi.org/10.59287/icpis.816.

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Phosphorus (P) is an essential element for plant growth, but its low bioavailability in soil oftenlimits agricultural production, particularly for common bean (Phaseolus vulgaris L.). This study aimed toinvestigate the presence of phytasic bacterial communities in soils with different levels of P deficiency,and their impact on the availability of P for P. vulgaris. The results showed that the phytasic bacterialcommunities carrying the BPP gene were present in both types of soils and were more abundant in the Pdeficient soil and in the rhizosphere compared to the P-rich soil and bulk soil, resp

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Song, Fengbin, Xiying Han, Xiancan Zhu, and Stephen J. Herbert. "Response to water stress of soil enzymes and root exudates from drought and non-drought tolerant corn hybrids at different growth stages." Canadian Journal of Soil Science 92, no. 3 (2012): 501–7. http://dx.doi.org/10.4141/cjss2010-057.

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Song, F., Han, X., Zhu, X. and Herbert, S. J. 2012. Response to water stress of soil enzymes and root exudates from drought and non-drought tolerant corn hybrids at different growth stages. Can. J. Soil Sci 92: 501–507. Drought tolerant corn hybrids (Zea mays L.) are an excellent model to evaluate the effect of water stress on rhizosphere functions. The purpose of this study was to investigate the influences of water stress on soil pH, enzyme activities, and root exudates from corn. Two corn hybrids, Baidan 9 (drought tolerant) and Baidan 31 (non-drought tolerant) were grown in soil-filled pot

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Dor, Evgenia, Koichi Yoneyama, Smadar Wininger, et al. "Strigolactone Deficiency Confers Resistance in Tomato Line SL-ORT1 to the Parasitic Weeds Phelipanche and Orobanche spp." Phytopathology® 101, no. 2 (2011): 213–22. http://dx.doi.org/10.1094/phyto-07-10-0184.

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The parasitic flowering plants of the genera Orobanche and Phelipanche (broomrape species) are obligatory chlorophyll-lacking root-parasitic weeds that infect dicotyledonous plants and cause heavy economic losses in a wide variety of plant species in warm-temperate and subtropical regions. One of the most effective strategies for broomrape control is crop breeding for broomrape resistance. Previous efforts to find natural broomrape-resistant tomato (Solanum lycopersicon) genotypes were unsuccessful, and no broomrape resistance was found in any wild tomato species. Recently, however, the fast-n

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Krouma, Abdelmajid. "Differential response of pea (Pisum sativum L.) genotypes to iron deficiency in relation to the growth, rhizosphere acidification and ferric chelate reductase activities." June 2021, no. 15(06):2021 (June 10, 2021): 925–32. http://dx.doi.org/10.21475/ajcs.21.15.06.p3171.

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Calcareous soils are known problematic lands for agricultural systems because of the low availability of nutrients, particularly iron (Fe). The so-called strategy I plant (e. g. Pea, Pisum sativum L.) which groups dicotyledons and monocots other than grasses, developed root membrane activities that contribute to the improvement of Fe availability. Among the functions considered to be a critical phase in iron absorption is rhizosphere acidification by H-ATPase and Fe(III) reduced by Fe(III) chelate reducctase (FeCR). In order to experimentally investigate the importance of root FeCR in Fe nutri

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Núñez-Cano, Jorge, Francisco J. Romera, Pilar Prieto, et al. "Effect of the Nonpathogenic Strain Fusarium oxysporum FO12 on Fe Acquisition in Rice (Oryza sativa L.) Plants." Plants 12, no. 17 (2023): 3145. http://dx.doi.org/10.3390/plants12173145.

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Rice (Oryza sativa L.) is a very important cereal worldwide, since it is the staple food for more than half of the world’s population. Iron (Fe) deficiency is among the most important agronomical concerns in calcareous soils where rice plants may suffer from this deficiency. Current production systems are based on the use of high-yielding varieties and the application of large quantities of agrochemicals, which can cause major environmental problems. The use of beneficial rhizosphere microorganisms is considered a relevant sustainable alternative to synthetic fertilizers. The main goal of this

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Wisdawati, E., and H. Widyastuti. "Phosphate solubilization potential of rhizosphere fungi isolated from satoimo taro plant." IOP Conference Series: Earth and Environmental Science 1230, no. 1 (2023): 012072. http://dx.doi.org/10.1088/1755-1315/1230/1/012072.

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Abstract Phosphorus is an essential nutrient required by plants for their growth and development. Phosphates bioavailability in nature is approximately 95-99% but insoluble, therefore the plant can not simply use them. The alternative to overcome phosphate deficiency is by utilizing phosphate solubilizing fungi. This research is aimed at selecting and characterizing phosphate solubilizing fungi in rhizosphere of saitomo taro (Colocasia esculenta var antiquorum). The test on isolate ability to solubilize phosphate was conducted through qualitative and quantitative. Qualitative was carried out b

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Luo, Yu, Lige Ma, Qirui Feng, et al. "Influence and Role of Fungi, Bacteria, and Mixed Microbial Populations on Phosphorus Acquisition in Plants." Agriculture 14, no. 3 (2024): 358. http://dx.doi.org/10.3390/agriculture14030358.

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Phosphorus (P) stands as a pivotal macroelement in relation to the growth of plants. It plays a significant role in physiological processes, as components of biofilms and nucleotides, and in metabolic activities within plants. The deprivation of phosphorus detrimentally impacts the growth and developmental of plants. However, the rhizosphere’s beneficial fungi and bacteria augment the efficacy of phosphorus uptake, participate in the molecular regulation of phosphorus, stimulate physiological alterations in plants, and facilitate signal transmission. In order to give readers a better understan

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Al-Momany, Ahmad Al-Raddad. "Applications of Vesicular Arbuscular Mycorrhizal Fungi for Sustainable Agriculture in Jordan." Jordan Journal of Agricultural Sciences 17, no. 3 (2021): 151–70. http://dx.doi.org/10.35516/jjas.v17i3.76.

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The beneficial vesicular-arbuscular mycorrhizal fungi are found in the rhizosphere of many plants. These fungi are promising for sustainable agriculture especially in poor soils and under stress conditions. Many genera were naturally found in Jordan soils, especially Glomus, and were significantly effective in improving plant growth of several vegetable crops whether they were growing under mineral deficiency or drought conditions. Also, many soil-borne fungi as Fusarium, Verticillium, and Rhizoctonia as well as root-knot nematodes were successfully controlled under Jordan’s conditions. This t

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Aye, Hinotoli N., and Shalini Masih. "Role of Nutrients in Plants, Its Deficiency and Management." International Journal of Plant & Soil Science 35, no. 10 (2023): 129–36. http://dx.doi.org/10.9734/ijpss/2023/v35i102932.

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Plants like all living beings need energy source. The energy needed by the plants are uptaken in the form of 17 essential elements. Among which Carbon, hydrogen, and oxygen are derived from surrounding. The remaining 14 essential necessary elements are supplied either from rhizosphere and soil organic matter or by important organic or inorganic fertilizers or value added soil amendments. Plants start showing nutrient deficiency when they do not get the necessary nutrients. More nutrient use can also show poor growth because of toxic chemicals in soil. So, required amount of use and the placeme

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Wang, Xueying, Peifang Chong, Xinguang Bao, and Feng Zhang. "The Effects of Inoculation with Rhizosphere Phosphate-Solubilizing Bacteria on the Growth and Physiology of Reaumuria soongorica Seedlings Under NaCl Stress." Forests 16, no. 4 (2025): 591. https://doi.org/10.3390/f16040591.

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Soil salinization significantly exacerbates the deficiency in plant-available phosphorus in the soil, thereby adversely affecting plant growth and development. Through various processes, phosphate-solubilizing bacteria in the rhizosphere significantly increase soil-soluble phosphorus content, boosting plant development and stress resistance. This study focused on annual R. soongorica seedlings to examine how rhizosphere phosphate-solubilizing bacteria enhance growth under NaCl-induced stress conditions. This study isolated and characterized rhizosphere phosphate-solubilizing bacteria, evaluati

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Ma, Xiaomin, Xuelian Li, and Uwe Ludewig. "Arbuscular mycorrhizal colonization outcompetes root hairs in maize under low phosphorus availability." Annals of Botany 127, no. 1 (2020): 155–66. http://dx.doi.org/10.1093/aob/mcaa159.

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Abstract Background and Aims An increase in root hair length and density and the development of arbuscular mycorrhiza symbiosis are two alternative strategies of most plants to increase the root–soil surface area under phosphorus (P) deficiency. Across many plant species, root hair length and mycorrhization density are inversely correlated. Root architecture, rooting density and physiology also differ between species. This study aims to understand the relationship among root hairs, arbuscular mycorrhizal fungi (AMF) colonization, plant growth, P acquisition and mycorrhizal-specific Pi transpor

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