Letteratura scientifica selezionata sul tema "Rhizosphere process"
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Articoli di riviste sul tema "Rhizosphere process":
Ye, Fan, Miao Jiang, Peng Zhang, Lei Liu, Shengqun Liu, Chunsheng Zhao e Xiangnan Li. "Exogenous Melatonin Reprograms the Rhizosphere Microbial Community to Modulate the Responses of Barley to Drought Stress". International Journal of Molecular Sciences 23, n. 17 (26 agosto 2022): 9665. http://dx.doi.org/10.3390/ijms23179665.
Ekyastuti, Wiwik, Dwi Astiani, Emi Roslinda, Hanna Artuti Ekamawanti e Tri Widiastuti. "Population of Rhizosphere Bacteria on Several Species of Crops In The Tailings of Ex-Gold Mine". IOP Conference Series: Earth and Environmental Science 1153, n. 1 (1 maggio 2023): 012024. http://dx.doi.org/10.1088/1755-1315/1153/1/012024.
Liu, Hong, Feifei Sun, Junwei Peng, Minchong Shen, Jiangang Li e Yuanhua Dong. "Deterministic Process Dominated Belowground Community Assembly When Suffering Tomato Bacterial Wilt Disease". Agronomy 12, n. 5 (24 aprile 2022): 1024. http://dx.doi.org/10.3390/agronomy12051024.
Nyonita Punjungsari, Tyas, Agung Setya Wibowo, Intan Fuji Arriani e Palupi Puspitorini. "EKSPLORASI KONSORSIUM PBRM (PLANT BENEFICIAL RHIZOSPHERIC MICROORGANISM) DALAM NUE (NUTRIENT USE EFFICIENCY) PADA PERTUMBUHAN JAGUNG (Zea mays L)". VIABEL: Jurnal Ilmiah Ilmu-Ilmu Pertanian 13, n. 2 (14 novembre 2019): 11–15. http://dx.doi.org/10.35457/viabel.v13i2.836.
Elliott, Monica L., J. A. McInroy, K. Xiong, J. H. Kim, H. D. Skipper e E. A. Guertal. "Taxonomic Diversity of Rhizosphere Bacteria in Golf Course Putting Greens at Representative Sites in the Southeastern United States". HortScience 43, n. 2 (aprile 2008): 514–18. http://dx.doi.org/10.21273/hortsci.43.2.514.
Liu, Zhixiang, Jizhe Ying e Chengcheng Liu. "Changes in Rhizosphere Soil Microorganisms and Metabolites during the Cultivation of Fritillaria cirrhosa". Biology 13, n. 5 (11 maggio 2024): 334. http://dx.doi.org/10.3390/biology13050334.
Golestanifard, Alireza, Markus Puschenreiter, Amal Aryan e 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 (12 agosto 2021): 443–52. http://dx.doi.org/10.17221/122/2021-pse.
Chowdhury, Saikat, Ramya Thangarajan, Nanthi Bolan, Julianne O'Reilly-Wapstra, Anitha Kunhikrishnan e Ravi Naidu. "Nitrification potential in the rhizosphere of Australian native vegetation". Soil Research 55, n. 1 (2017): 58. http://dx.doi.org/10.1071/sr16116.
Huang, Ning, Xingmin Zhao, Xinxin Guo, Biao Sui, Jinhua Liu, Hongbin Wang e Jialin Li. "Tillage Methods Change Nitrogen Distribution and Enzyme Activities in Maize Rhizosphere and Non-Rhizosphere Chernozem in Jilin Province of China". Processes 11, n. 11 (20 novembre 2023): 3253. http://dx.doi.org/10.3390/pr11113253.
Qin, Jianqiao, Huarong Zhao, Ming Dai, Peng Zhao, Xi Chen, Hao Liu e Baizhou Lu. "Speciation Distribution and Influencing Factors of Heavy Metals in Rhizosphere Soil of Miscanthus Floridulus in the Tailing Reservoir Area of Dabaoshan Iron Polymetallic Mine in Northern Guangdong". Processes 10, n. 6 (18 giugno 2022): 1217. http://dx.doi.org/10.3390/pr10061217.
Tesi sul tema "Rhizosphere process":
Ndakidemi, Patrick Alois. "Nutritional characterisation of the rhizosphere of symbiotic cowpea and maize plants in different cropping system". Thesis, Cape Peninsula University of Technology, 2005. http://hdl.handle.net/20.500.11838/762.
A 2-factorial experiment, involving 3 levels of phosphorus (0, 40, and 80 kg P.ha-I ) as main treatment and 4 cropping systems (mono crop, maize/cowpea inter-row, maize/cowpea intra-row, and maize/cowpea intra-hole cropping) as sub-treatment was conducted in the field for 2 consecutive years in 2003 and 2004 to assess i) the effects of exogenous P supply and cropping system on the concentrations of plant-available nutrients in the rhizosphere of cowpea and maize; ii) the effect of exogenous P supply on tissue concentrations of minerals in nodulated cowpea and maize in mixed plant cultures iii) the effects of exogenous P supply and cropping system on plant growth and N2 fixation, and iv) the effects of exogenous P supply and cropping system on phosphatase activity and microbial biomass in the rhizosphere of cowpea and maize. At harvest, it was found that applying 40 or 80 kg P.ha-I significantly increased cowpea grain yields by 59-65% in 2003 and 44-55% in 2004. With maize, the increases in grain yield were 2037% in 2003 and 48-55% in 2004 relative to zero-P control. In both cropping seasons, the number of pod-bearing peduncles per plant, the number of pods per plant, the number of seeds per pod, and seed yield per cowpea plant were significantly increased with the application of exogenous P. In contrast, these parameters were all significantly depressed by mixed culture relative to mono crop cowpea. Intercropping maize with cowpea produced higher total yields per unit land area than the sole crop counterpart.
Liu, Chang. "Phytostabilization of ion-adsorption rare earth element mine tailings using the fiber plant ramie (Boehmeria nivea L.)". Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0341.
Ion-adsorption REE deposits are one of the world's main sources of heavy REEs (HREEs). Their exploitation has generated vast areas of mine tailings, which are a serious threat to the environment and the health of neighboring populations. The restoration of ecosystems requires effective solutions adapted to such large surfaces. Phytostabilization is based on the installation of plants with or without amendment and, in general, uses tolerant plants. But plants of economic interest can be considered. Ramie is a perennial plant that produces high quality fiber. It is potentially usable in phytostabilization because it is tolerant to heavy metals. But this option has not yet been tested with REEs and in difficult environments (e.g. pH). This is why this thesis studied: (i) the tolerance of ramie to high concentrations of REEs; (ii) the response of ramie in terms of growth and development on REE mine tailings; (iii) the feasibility of phytostabilization with ramie and the addition of amendments and the consequences on the evolution of soil properties. The general approach was based on cultivation trials under controlled, hydroponic and rhizotron conditions, and on full-scale trials conducted on a former REE mining site. Hydroponic cultures showed that ramie biomass is not affected by low concentrations of REEs (1.6–80 μmol/L), while higher concentrations (160–800 μmol/L) inhibit growth. P and Mo concentrations in the roots increased with increasing REE concentrations. The uptake processes lead to a positive Ce anomaly and an enrichment of HREEs in the leaves. The rhizotron experiment has shown the interest of organic amendment. It increases pH and nutrient concentrations (Ca, Mg, N, P), and decreases extractable REEs and Al (90%); the growth and development of ramie are then favored. Only the fine roots develop during the first months of the experiment, while 75% of the root biomass is represented by the large roots after five months. They contain 7–15% of the REEs and 31–35% of the Al taken up by the plant. Ramie does not modify the concentration of extractable REEs, but decreases that of Al in the upper soil horizons. The two-year follow-up of an in situ phytostabilization experiment with the addition of organic amendment confirms the changes observed in the chemical properties of the surface soil (pH, nutrients, REEs and extractable Al). Large roots store more than 60% of REEs and absorbed Al. In addition to improving soil properties through organic amendment, ramie roots contribute to the supply of C, the activation of nutrients and the stabilization of toxic elements. In terms of the soil physical properties, phytostabilization increases soil porosity, and favors the differentiation of the profile into distinct horizons. The concentrations of REEs and extractable Al in the treated horizons are significantly lower than those of the controls. Large roots are observed in the amended horizon, while fine roots reach 50 cm. Observation of the soil thin sections revealed root-mineral, organic matter-mineral and mineral-mineral associations, which contribute to building the soil structure. In conclusion, the thesis made it possible to better understand the mechanisms of tolerance of ramie to REEs, to show the effects of the plant on the dynamics of REEs and nutrients, and to describe the early pedogenetic processes that follow implantation, in particular the processes of soil structuration. Practically, the work has shown that phytostabilization of harsh mine sites is possible with a fiber plant for commercial use
Bach, Evelise. "Utilização de Burkholderia sp. 89 para o controle biológico de fungos fitopatogênicos e identificação de moléculas de seu metabolismo secundário envolvidas nesse processo". reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/150647.
The use of plant growth promotion bacteria or biocontrol agents as agricultural inoculants is an important eco-friendly alternative to substitute, or at least supplement, the excessive use of fertilizers and pesticides. In this work, we evaluated the biocontrol potential and rhizosphere competence of three bacteria that had shown plant growth promotion (PGP) abilities: Bacillus mycoides B38V, Paenibacillus riograndensis SBR5 and Burkholderia sp. 89. All three bacteria presented great versatility in their substrate utilization, which could enable them to survive in a competitive rhizosphere environment. However, inconsistencies were observed in the greenhouse experiments, whereas their interesting abilities observed in vitro did not result in benefits to the plants. Strain 89 produces a stable metabolite with a wide range of antifungal activity. Genomic comparisons and multilocus sequence analysis revealed Burkholderia sp. 89 as a new species of the Burkholderia cepacia complex and we described it as B. catarinensis 89T. We sequenced its genome and analyzed it with the AntiSMASH tool. This in silico prediction revealed the presence of a nonribosomal peptide synthetase (NRPS) cluster, which is related to the production of the siderophore ornibactin. Moreover, a hybrid NRPS- polyketide synthetase cluster for the production of the antifungal cyclic glicolipopeptide burkholdin was also found. A genome mining combined with a bioassay-guided fractionation with further mass spectrometry analysis was applied for the purification of these compounds. This approach enabled us to purify and characterize two variants of the siderophore ornibactin, D and F (761 and 789 Da, respectively). Also, we could detect the variant ornibactin B (m/z= 733) and the quorum sensing molecules homoserine lactones C6-HSL, 3OH-C8-HSL and C8-HSL in the supernatant of B. catarinensis 89T. Mass spectrometry analysis showed the presence of a group of metabolites with the masses 1240, 1254, 1268, 1216, 1244 and 1272 Da, which are probably new variants of the antifungal metabolite burkoldin. Therefore, B. catarinensis 89T has a great biotechnological potential for the production of metabolites with pharmaceutical and agricultural applications for the biocontrol of phytopathogenic fungi.
LEMOS, Joice de Jesus. "Influ?ncia de diferentes fontes de nitrog?nio no processo de infec??o de plantas de feijoeiro por Fusarium oxysporum f. sp. phaseoli". Universidade Federal Rural do Rio de Janeiro, 2010. https://tede.ufrrj.br/jspui/handle/jspui/1693.
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CAPES
With the aims to study the efflux of H+ or OH- due nitrogen sources on the process of infection of Fusarium oxysporum f. sp. phaseoli in the rhizosphere of two beans cultivars Diamante Negro (susceptible) and Ouro Negro (more resistant), a series of experiments were done in greenhouse and growth chamber. Were applied to three different sources of nitrogen (N-N2 N-NO3- and N-NH4+) in three nitrogen concentrations (0, 30 and 120 kg ha-1), in plants grown in clay and sand soil. In addition, an experiment was conducted with different concentrations of inoculum of Fusarium (0, 10 ? and 106 conidia mL-1) in greenhouse in order to know the concentration that would affect the infection and when applied the fungi. Overall, the results suggested that nitrate decreased the infection process of Fusarium and ammonium increase. The association between nitrate with the cultivar more tolerant Ouro Negro, decreased the perceptual infection of fungi. The source of nitrogen influence of pH of rhizosphere occurred interaction with the type of soil. In all the experiments, found lower numbers of nodules. The concentration of inoculum or the times of inoculation not produce effect in the perceptual of infection.
Foram realizados estudos com duas cultivares de feijoeiro comum (Phaseolus vulgaris L.), a Diamante Negro, considerada suscet?vel ao Fusarium oxysporum f. sp. phaseoli e a Ouro Negro, mais resistente a esse fungo causador da murcha-de-fus?rio. Os experimentos foram instalados em c?mara crescimento ou em casa de vegeta??o. O objetivo deste trabalho foi o de analisar a influ?ncia da libera??o OH- ou H+ devido ao uso de fontes nitrogenadas na infec??o do fungo. Foram utilizadas tr?s fontes de nitrog?nio (N-N2, N-NO3 ? e N-NH4+) e diferentes doses de nitrog?nio (0, 30 e 120 kg ha-1) com plantas inoculadas com o referido fungo, crescidas no substrato areia ou em solos com diferentes teores de argila. Tamb?m foi realizado um experimento utilizando diferentes concentra??es de in?culo do Fusarium (0, 10? e 106 con?dios mL-1) com o objetivo de analisar qual concentra??o afetaria mais a infec??o na presen?a de fontes nitrogenadas. Foram analisados, o percentual de infec??o do Fusarium, o pH da rizosfera e n?o rizosf?rico, massas da parte a?rea e ra?zes secas, e o n?mero de n?dulos em diferentes ?pocas de amostragem. De modo geral foi observado que a fonte nitrato diminuiu o processo de infec??o do Fusarium e a fonte am?nio aumentou. Foi confirmado que a cultivar Ouro Negro ? mais tolerante ao fungo e que quando associada ? fonte de nitrog?nio nitrato aumentou ainda mais a resist?ncia. O pH da rizosfera e n?o rizosf?rico foram influenciados pela fonte de nitrog?nio: nitrato aumenta, e am?nio diminui. Os dados do trabalho sugeriram haver intera??o entre a fonte de nitrog?nio x dose x cultivar x solo. O n?mero de n?dulos encontrado nas condi??es experimentais foi baixo, especialmente nas amostragens na fase inicial do ciclo.
Libri sul tema "Rhizosphere process":
Tinker, Peter B., e Peter Nye. Solute Movement in the Rhizosphere. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195124927.001.0001.
Capitoli di libri sul tema "Rhizosphere process":
Christensen, Søren, Peter Groffman, Arvin Mosier e Donald R. Zak. "Rhizosphere Denitrification; A Minor Process but Indicator of Decomposition Activity". In Denitrification in Soil and Sediment, 199–211. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4757-9969-9_12.
Thiombiano, Benjamin, Kristýna Floková, Aimee Walmsley e Harro J. Bouwmeester. "Striga Germination Stimulant Analysis". In Mutation Breeding and Efficiency Enhancing Technologies for Resistance to Striga in Cereals, 115–41. Berlin, Heidelberg: Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-68181-7_8.
Gobran, G. R., S. Clegg e F. Courchesne. "Rhizospheric processes influencing the biogeochemistry of forest ecosystems". In Plant-induced soil changes: Processes and feedbacks, 107–20. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-2691-7_6.
Wang, Shengrui, e Zhihao Wu. "The Basic Theory of P-process at Sediment/Water Interface (SWI) in Lake". In DGT-based Measurement of Phosphorus in Sediment Microzones and Rhizospheres, 3–25. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0721-7_1.
Welsh, David T., Peter Wellsbury, Sophie Bourguès, Rutger de Wit e Rodney A. Herbert. "Relationship between porewater organic carbon content, sulphate reduction and nitrogen fixation (acetylene reduction) in the rhizosphere of Zostera noltii". In Coastal Lagoon Eutrophication and ANaerobic Processes (C.L.E.AN.), 175–83. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1744-6_14.
Mallick, Rwitabrata. "Tea Rhizospheres and Their Functional Role in Tea Gardens". In Data Science for Agricultural Innovation and Productivity, 163–74. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815196177124010011.
Tinker, Peter B., e Peter Nye. "Local Movement of Solutes in Soil". In Solute Movement in the Rhizosphere. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195124927.003.0008.
Tinker, Peter B., e Peter Nye. "The Uptake Properties of the Root System". In Solute Movement in the Rhizosphere. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195124927.003.0009.
Tinker, Peter B., e Peter Nye. "Solute Transport in the Soil near Root Surfaces". In Solute Movement in the Rhizosphere. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195124927.003.0010.
Musheer, Nasreen, Mohd Gulfishan, Belal Ahmad e Gaurav Kumar. "UNRAVELLING THE POTENTIAL: PLANT GROWTH-PROMOTING RHIZOBACTERIA IN SUSTAINABLE AGRICULTURE". In AGRICULTURE IN 21ST CENTURY. KAAV PUBLICATIONS, 2023. http://dx.doi.org/10.52458/9789388996815.2023.eb.ch-03.
Atti di convegni sul tema "Rhizosphere process":
Rawat, Monika. "Soil Respiration Variation under the Canopy of Dominant Tree Species across different seasons in Temperate Forest". In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0021.
Baquir, Mohammad, e Nadeem Khalil. "MUNICIPAL WASTEWATER TREATMENT IN SUBSURFACE VERTICAL FLOW CONSTRUCTED WETLANDS USING CONVENTIONAL MEDIA IN SETUP PHASE". In Computing for Sustainable Innovation: Shaping Tomorrow’s World. Innovative Research Publication, 2024. http://dx.doi.org/10.55524/csistw.2024.12.1.18.
Asfha, Zekarias A., Nataliya E. Suzina, Yulia Kocharovskaya, Yanina Delegan e Inna P. Solyanikova. "Isolation and Characterization of Plant Growth-Promoting Bacteria from the Rhizosphere of Chamaecytisus ruthenicus (Russian Broom) Growing in Chalky Soil". In International Electronic Conference on Processes. Basel Switzerland: MDPI, 2023. http://dx.doi.org/10.3390/ecp2023-14709.
Rapporti di organizzazioni sul tema "Rhizosphere process":
Crowley, David E., Dror Minz e Yitzhak Hadar. Shaping Plant Beneficial Rhizosphere Communities. United States Department of Agriculture, luglio 2013. http://dx.doi.org/10.32747/2013.7594387.bard.
Minz, Dror, Stefan J. Green, Noa Sela, Yitzhak Hadar, Janet Jansson e Steven Lindow. Soil and rhizosphere microbiome response to treated waste water irrigation. United States Department of Agriculture, gennaio 2013. http://dx.doi.org/10.32747/2013.7598153.bard.
Lieth, J. Heiner, Michael Raviv e David W. Burger. Effects of root zone temperature, oxygen concentration, and moisture content on actual vs. potential growth of greenhouse crops. United States Department of Agriculture, gennaio 2006. http://dx.doi.org/10.32747/2006.7586547.bard.
Chen, Yona, Jeffrey Buyer e Yitzhak Hadar. Microbial Activity in the Rhizosphere in Relation to the Iron Nutrition of Plants. United States Department of Agriculture, ottobre 1993. http://dx.doi.org/10.32747/1993.7613020.bard.
Castellano, Mike J., Abraham G. Shaviv, Raphael Linker e Matt Liebman. Improving nitrogen availability indicators by emphasizing correlations between gross nitrogen mineralization and the quality and quantity of labile soil organic matter fractions. United States Department of Agriculture, gennaio 2012. http://dx.doi.org/10.32747/2012.7597926.bard.
Minz, Dror, Eric Nelson e Yitzhak Hadar. Ecology of seed-colonizing microbial communities: influence of soil and plant factors and implications for rhizosphere microbiology. United States Department of Agriculture, luglio 2008. http://dx.doi.org/10.32747/2008.7587728.bard.
Chefetz, Benny, Baoshan Xing, Leor Eshed-Williams, Tamara Polubesova e Jason Unrine. DOM affected behavior of manufactured nanoparticles in soil-plant system. United States Department of Agriculture, gennaio 2016. http://dx.doi.org/10.32747/2016.7604286.bard.
Tuller, Markus, Asher Bar-Tal, Hadar Heller e Michal Amichai. Optimization of advanced greenhouse substrates based on physicochemical characterization, numerical simulations, and tomato growth experiments. United States Department of Agriculture, gennaio 2014. http://dx.doi.org/10.32747/2014.7600009.bard.
Shani, Uri, Lynn Dudley, Alon Ben-Gal, Menachem Moshelion e Yajun Wu. Root Conductance, Root-soil Interface Water Potential, Water and Ion Channel Function, and Tissue Expression Profile as Affected by Environmental Conditions. United States Department of Agriculture, ottobre 2007. http://dx.doi.org/10.32747/2007.7592119.bard.