Letteratura scientifica selezionata sul tema "Root traits and exudation"

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Articoli di riviste sul tema "Root traits and exudation"

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Kawakami, Erika, Mioko Ataka, Tomonori Kume, et al. "Root exudation in a sloping Moso bamboo forest in relation to fine root biomass and traits." PLOS ONE 17, no. 3 (2022): e0266131. http://dx.doi.org/10.1371/journal.pone.0266131.

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Exudation by fine roots generally varies with their morphological traits, but the effect of belowground resource availability on the root exudation via root morphological traits and biomass remains unknown. We aimed to determine the effects of morphological and physiological traits on root exudation rates and to estimate stand-scale exudation (Estand) by measuring the mass, length, and surface area of fine roots in a Moso bamboo forest. We measured root exudation as well as morphological and physiological traits in upper and lower plots on a slope with different belowground resource availabili
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Yang, Liu, Xiuwei Wang, Zijun Mao, et al. "Root Exudation Rates Decrease with Increasing Latitude in Some Tree Species." Forests 11, no. 10 (2020): 1045. http://dx.doi.org/10.3390/f11101045.

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Research Highlights: Understanding of the spatial variation of root exudation on a regional scale can help understand the response of plant physiological activities to environmental changes. Background and Objectives: Although root exudation has become an important topic in belowground ecology, its relationship with root traits and environmental factors is poorly understood. Our objective was to explore how root traits and environmental factors influence root exudation. Materials and Methods: We used a multi-factorial design consisting of three tree species spanning across sites located at thr
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Tang, Lanlan, Ming Zhan, Chunhui Shang, Jiayi Yuan, Yibing Wan, and Mingguang Qin. "Dynamics of root exuded carbon and its relationships with root traits of rapeseed and wheat." Plant, Soil and Environment 67, No. 6 (2021): 317–23. http://dx.doi.org/10.17221/561/2020-pse.

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Quantifying carbon in root exudates and exploring their influencing factors are essential to understand soil organic carbon dynamics in cropland. A pot experiment was carried out to explore quantitative relations between root exuded carbon and root traits in wheat and rapeseed. The result showed that rapeseed had a similar pattern in root carbon exudation intensity (EI) as the wheat, but its EI per plant was obviously higher than that in wheat. Rapeseed plants had higher EI per root biomass than wheat plants in the early growth period but lower in the late growth period. EI per root biomass in
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Li, Zuwang, Zhi Liu, Guoqiang Gao, Xinlei Yang, and Jiacun Gu. "Shift from Acquisitive to Conservative Root Resource Acquisition Strategy Associated with Increasing Tree Age: A Case Study of Fraxinus mandshurica." Forests 12, no. 12 (2021): 1797. http://dx.doi.org/10.3390/f12121797.

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Tree age has an important effect on the form and function of fine roots. Previous studies have focused on the variations in root morphological and chemical traits among tree ages, while less attention has been given to the physiological traits, impeding a full understanding of the relationship between root resource acquisition strategy and tree age. Here, we measured root morphological (diameter, specific root length, specific root area and tissue density), chemical (nitrogen concentration) and physiological (respiration and exudation rate) traits of young, middle-aged and mature trees of Frax
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Akatsuki, Maiko, and Naoki Makita. "Influence of fine root traits on in situ exudation rates in four conifers from different mycorrhizal associations." Tree Physiology 40, no. 8 (2020): 1071–79. http://dx.doi.org/10.1093/treephys/tpaa051.

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Abstract Plant roots can exude organic compounds into the soil that are useful for plant survival because they can degrade microorganisms around the roots and enhance allelopathy against other plant invasions. We developed a method to collect carbon (C) exudation on a small scale from tree fine roots by C-free filter traps. We quantified total C through root exudation in four conifers from different microbial symbiotic groups (ectomycorrhiza (ECM) and arbuscular mycorrhiza (AM)) in a cool-temperate forest in Japan. We determined the relationship of mass-based exudation rate from three diameter
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Ataka, Mioko, Lijuan Sun, Tatsuro Nakaji, Ayumi Katayama, and Tsutom Hiura. "Five-year nitrogen addition affects fine root exudation and its correlation with root respiration in a dominant species, Quercus crispula, of a cool temperate forest, Japan." Tree Physiology 40, no. 3 (2020): 367–76. http://dx.doi.org/10.1093/treephys/tpz143.

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Abstract In forest ecosystems, fine root respiration directly contributes to belowground carbon (C) cycling. Exudation from fine roots indirectly affects C cycling via enhanced microbial decomposition of soil organic matter. Although these root-derived C fluxes are essential components of belowground C cycling, how nitrogen (N) addition affects these fluxes and their correlations remains unclear. In this study, fine root exudation, respiration and chemical/morphological traits were measured in a dominant canopy species, Quercus crispula Blume, found in a cool temperate forest, the Tomakomai Ex
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Wen, Zhihui, Philip J. White, Jianbo Shen, and Hans Lambers. "Linking root exudation to belowground economic traits for resource acquisition." New Phytologist 233, no. 4 (2021): 1620–35. http://dx.doi.org/10.1111/nph.17854.

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Miller, Sarah B., Adam L. Heuberger, Corey D. Broeckling, and Courtney E. Jahn. "Non-Targeted Metabolomics Reveals Sorghum Rhizosphere-Associated Exudates are Influenced by the Belowground Interaction of Substrate and Sorghum Genotype." International Journal of Molecular Sciences 20, no. 2 (2019): 431. http://dx.doi.org/10.3390/ijms20020431.

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Root exudation is an important plant process by which roots release small molecules into the rhizosphere that serve in overall plant functioning. Yet, there is a major gap in our knowledge in translating plant root exudation in artificial systems (i.e., hydroponics, sterile media) to crops, specifically for soils expected in field conditions. Sorghum (Sorghum bicolor L. Moench) root exudation was determined using both ultra-performance liquid chromatography and gas chromatography mass spectrometry-based non-targeted metabolomics to evaluate variation in exudate composition of two sorghum genot
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Cardenas, Julian, Fernando Santa, and Eva Kaštovská. "The Exudation of Surplus Products Links Plant Functional Traits and Plant-Microbial Stoichiometry." Land 10, no. 8 (2021): 840. http://dx.doi.org/10.3390/land10080840.

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The rhizosphere is a hot spot of soil microbial activity and is largely fed by root exudation. The carbon (C) exudation flux, coupled with plant growth, is considered a strategy of plants to facilitate nutrient uptake. C exudation is accompanied by a release of nutrients. Nitrogen (N) and phosphorus (P) co-limit the productivity of the plant-microbial system. Therefore, the C:N:P stoichiometry of exudates should be linked to plant nutrient economies, plant functional traits (PFT) and soil nutrient availability. We aimed to identify the strongest links in C:N:P stoichiometry among all rhizosphe
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Tato, Liliana, Monirul Islam, Tanja Mimmo, Graziano Zocchi, and Gianpiero Vigani. "Temporal Responses to Direct and Induced Iron Deficiency in Parietaria judaica." Agronomy 10, no. 7 (2020): 1037. http://dx.doi.org/10.3390/agronomy10071037.

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Parietaria judaica grows in highly calcareous environments, overcoming the low bioavailability of Fe caused by elevated pH. The aim of this work was to investigate the temporal dynamics of root exudation of P. judaica under Fe deficiency conditions. As high concentrations of bicarbonate and Ca2+ in calcareous soils interfere with the general plant mineral nutrition, two different alkaline growing conditions were applied to distinguish the effects due to the high pH from the responses induced by the presence of high calcium carbonate concentrations. Growth parameters and physiological responses
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Tesi sul tema "Root traits and exudation"

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Guyonnet, Julien. "Effet de la stratégie de gestion des ressources des plantes sur l’investissement dans l’exsudation racinaire, et les conséquences sur les communautés bactériennes." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1008.

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L'exsudation racinaire est connue pour avoir une influence sur le fonctionnement des communautés microbiennes, en particulier celles impliquées dans le cycle de l'azote (Haichar et al, 2012). Elle est liée à la physiologie de la plante, cette dernière pouvant être évaluée via les traits fonctionnels végétaux, permettant une classification des plantes en fonction de leur performance dans leur environnement. Ainsi, nous pouvons distinguer d'une part les espèces exploitatrices, avec une efficience de la photosynthèse élevée et une acquisition rapide de l'azote dans les sols, et d'autre part les p
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Delamare, Jeremy. "Analyses de deux stratégies d’acclimatation à un stress thermique intense reposant sur une thermo-sensibilisation ou une sensibilisation médiée par des bactéries PGPR chez le colza et la caméline." Electronic Thesis or Diss., Normandie, 2023. http://www.theses.fr/2023NORMC243.

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Le changement climatique auquel nous sommes confrontés est caractérisé notamment par une modification des profils thermiques en termes d’intensité, de durée et de répétition des vagues de chaleur. Ces vagues de chaleur surviennent lors des stades reproducteurs des plantes qui sont également les plus critiques pour l’élaboration des composantes de rendement et des critères de qualité grainière des grandes cultures. Les oléagineux tels que le colza et la caméline sont des espèces particulièrement impactées par le stress thermique, causant de fortes pertes de rendement et une diminution de la qua
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Plum, Sara A. "Manipulation of sources and sinks of grasses : growth, photosynthesis and root exudation." Thesis, Bangor University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389504.

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Roworth, Joshua David. "The characterisation of root exudation and colonisation in the rhizosphere of land plants." Thesis, University of Oxford, 2017. http://ora.ox.ac.uk/objects/uuid:0f21602e-73c7-4470-a598-ec9f16093190.

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Abstract (sommario):
The rhizosphere of land plants is a diverse and complex environment that is critical to the life cycles of plants. Plants release photosynthetically fixed carbon into the rhizosphere that can act to solubilise nutrients, detoxify metals, and modify soil microbial communities. Within these soil microbial communities a diverse range of microbes exist, ranging from the beneficial plant growth promoting rhizobacteria to plant pathogens. These microbes must be able to effectively colonise the rhizosphere and plant rooting systems for their survival. To study root exudation and the bacterial colonis
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Holz, Maire [Verfasser], and Andrea [Akademischer Betreuer] Carminati. "Biophysical factors controlling root exudation and rhizosphere extension / Maire Holz ; Betreuer: Andrea Carminati." Bayreuth : Universität Bayreuth, 2020. http://d-nb.info/1209196565/34.

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MUELLER, KEVIN E. "INVESTIGATIONS INTO THE USE OF TREES FOR PHYTOREMEDIATION OF PAH CONTAMINATED SOILS." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123258067.

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Rummel, Pauline Sophie [Verfasser]. "Nitrate uptake, root exudation, and litter quality - crop plant effects on denitrification and its product stoichiometry / Pauline Sophie Rummel." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2021. http://d-nb.info/1236401689/34.

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De, Lucchi Chiara. "Improving key root traits in sugar beet: Fusarium resistance." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3424410.

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The challenge of the twenty-first century is to produce enough food to meet population demands without extending land or damaging the environment. Combining a maximum number of desirable traits such disease resistance, greater yield, and high quality is a desirable goal for plant breeders. The development of resistant crop genotypes is essential to ensure global food security, make the plant more useful and avoid crop losses. The development of molecular markers linked to the target traits is needed to predict phenotypic variation based on genotype. Marker-Assisted Selection (MAS) can reduce c
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Scott, Gavin D. "Root system traits and root longevities in two contrasting cultivars of Trifolium repens (White clover)." Thesis, University of Aberdeen, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.425002.

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This study uses sequential digital imaging of rhizotron grown root systems of white clover (<i>Trifolium repens</i>) to evaluate the developmental differences in the architecture of two cultivars with contrasting above-ground characteristics.  Root lengths and leaf areas were correlated in both cultivars, with large leaved Alice producing greater leaf area and greater root length than the small leaved S184.  The key architectural difference between the two cultivars was that Alice produced a higher ratio of terminal lateral length to axial length than S184.  Lateral roots had lower survival ti
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Patel, Dhaval V. "Dissecting natural variation of root traits in arabidopsis thaliana accessions." Thesis, University of Nottingham, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.503910.

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Libri sul tema "Root traits and exudation"

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Gaume, Alain. Low-P tolerance of various maize cultivars: The contribution of the root exudation. 2000.

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Esler, Karen J., Anna L. Jacobsen, and R. Brandon Pratt. Organisms and their Interactions. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198739135.003.0003.

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Both animal and plant species exhibit adaptive traits related to features of mediterranean-type ecosystems (MTEs). For plants, the seasonality of the MTC has been an important factor in the evolution of plant phenological traits. Root adaptive traits that improve nutrient extraction from impoverished soils are present within MTC regions, including cluster roots, root nodules, and mycorrhizal symbioses. Fire has been an important driver of plant traits, such as smoke, charate, or heat-induced seed germination or seed release (i.e. serotiny), and post-fire flowering. Adaptive traits in animals i
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Martinho-Truswell, Antone. The Parrot in the Mirror. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780198846109.001.0001.

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Abstract This book explores animal evolution and behaviour to explain how humans and birds came to share so much. How did we come to be so bird-like? Considering the answer to this question leads to an examination of the animal world that highlights fundamental and profound aspects of biology. The book looks at the value of movement in animals; the way in which traits such as intelligence, size, long life span, and the birth of very immature young are all interconnected. Above all, it assesses how even very different forms of life, experiencing similar evolutionary pressures from their environ
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Faxneld, Per. Woman and the Devil. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190664473.003.0002.

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Chapter2 provides a background for the main motifs of the study. It commences with a survey of the development of the figure of Satan and Satanism, and then discusses Genesis 3, the narrative that lies at the root of most of the later ideas about Satan’s intimate ties to woman. The interpretations of this text by Gnostics, Church Fathers, and reformers are delineated. This is followed by an examination of the notion of the Devil as a woman, whereafter the enigmatic entity Baphomet—an example of how Satan has been given female or hermaphroditic traits in esoteric writings—is considered. Thereup
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Churchill, Robert Paul. Women in the Crossfire. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190468569.001.0001.

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Every year, thousands of girls and women die, often at the hands of blood relatives. These victims are accused of committing honor violations that bring shame upon their family—such transgressions range from walking with a boy in their neighborhood to seeking to marry a man of their own choosing to being a victim of rape. Women in the Crossfire presents a thorough examination of honor killing, an age-old social practice through which women are trapped and subjected to terror and deadly violence as consequences of the evolution of dysfunctional patriarchal structures and competition among men f
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Capitoli di libri sul tema "Root traits and exudation"

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Rengel, Z. "Genetic control of root exudation." In Food Security in Nutrient-Stressed Environments: Exploiting Plants’ Genetic Capabilities. Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-017-1570-6_24.

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Chen, Ying Long, Ivica Djalovic, and Zed Rengel. "Phenotyping for Root Traits." In Phenomics in Crop Plants: Trends, Options and Limitations. Springer India, 2015. http://dx.doi.org/10.1007/978-81-322-2226-2_8.

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Katou, Kiyoshi, Takehide Taura, and Muneyoshi Furumoto. "A biophysical model for water movement in roots: Root exudation and root pressure." In Structural and Functional Aspects of Transport in Roots. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0891-8_28.

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Sheshshayee, M. S., Ehab Abou-Kheir, Sreevathsa Rohini, et al. "Phenotyping for Root Traits and Their Improvement Through Biotechnological Approaches for Sustaining Crop Productivity." In Root Genomics. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-85546-0_9.

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Orman, Beata, Aleksander Ligeza, Iwona Szarejko, and Miroslaw Maluszynski. "EST-Based Approach for Dissecting Root Architecture in Barley Using Mutant Traits of Other Species." In Root Genomics. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-85546-0_2.

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Chimungu, Joseph G., and Jonathan P. Lynch. "Root Traits for Improving Nitrogen Acquisition Efficiency." In Plant Biotechnology. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06892-3_15.

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Schneider, Hannah M., and Jonathan P. Lynch. "Root Traits for Improving N Acquisition Efficiency." In Plant Biotechnology. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68345-0_12.

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Heim, A., I. Brunner, B. Frey, E. Frossard, and J. Luster. "Aluminium resistance of Norway spruce: Root exudation versus immobilisation in roots." In Plant Nutrition. Springer Netherlands, 2001. http://dx.doi.org/10.1007/0-306-47624-x_217.

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Parasar, Bhaskar Jyoti, Indrani Sharma, Sampurna Kashyap, et al. "Plant Root Exudation: Mechanism and Role in Plant-Microbe Communication Under Stress." In Plant-microbiome Interactions for Climate-resilient Agriculture. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3534-4_8.

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Feil, B., R. Thiraporn, G. Getsler, and P. Stamp. "Root traits of maize seedlings—indicators of nitrogen efficiency?" In Genetic Aspects of Plant Mineral Nutrition. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-2053-8_15.

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Atti di convegni sul tema "Root traits and exudation"

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Trigona, Carlo, Sergio Terrazzino, Andrea Baglieri, Ivana Puglisi, and Anna M. Gueli. "Chemoelectrical Transduction in “Living Sensor”: Effects of UV-A Radiation Exposure on Root Exudation of Sansevieria Cylindrica." In 2024 IEEE International Workshop on Metrology for Agriculture and Forestry (MetroAgriFor). IEEE, 2024. https://doi.org/10.1109/metroagrifor63043.2024.10948815.

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Belimov, A. A., A. I. Shaposhnikov, D. S. Syrova, et al. "The effect of microorganisms and heavy metals on the exudation of low molecular weight organic compounds by plant roots." In CURRENT STATE, PROBLEMS AND PROSPECTS OF THE DEVELOPMENT OF AGRARIAN SCIENCE. Federal State Budget Scientific Institution "Research Institute of Agriculture of Crimea", 2020. http://dx.doi.org/10.33952/2542-0720-2020-5-9-10-105.

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The aim of our research was to study the effect of growth-promoting rhizobacteria (Pseudomonas oryzihabitans and Variovorax paradoxus) and toxic elements (Al, Cd and Hg) on the root exudation in various pea (Pisum sativum L.) genotypes. For this, methods of periodic cultures, gnotobiotic plant-microbial systems, ICPE and UPLC were used. It was established that rhizobacteria actively utilized organic acids and sugars secreted by the roots and contributed to an increase in pH and Al immobilization in the rhizosphere. Cadmium increased the exudation of many substances of pea line SGE, but this ef
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Belimov, A. A., A. I. Shaposhnikov, D. S. Syrova, et al. "Response of plants and nitrogen-fixing symbiosis to the toxicity of cadmium and mercury using the pea mutant SGECdt." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.039.

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The combined effect of Hg and Cd on the growth, elemental composition, root exudation and interactions with rhizobia of pea SGE and its mutant SGECdt was studied in hydroponics and sand. The tolerance mechanisms of legume-rhizobia symbiosis to heavy metals are discussed.
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Kaiser, Christina, Julia Wiesenbauer, Stefan Gorka, Alexander Koenig, Lilian Marchand, and Erich Inselsbacher. "Using reverse microdialysis to simulate and explore root exudation ‘hot spots’ in the soil." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.8128.

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"The relationship between root exudation, accumulation of heavy metals and symbiotrophy in peas (Pisum sativum L.)." In Plant Genetics, Genomics, Bioinformatics, and Biotechnology. Novosibirsk ICG SB RAS 2021, 2021. http://dx.doi.org/10.18699/plantgen2021-019.

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Mishra, Divya, Sharon Chemweno, Ofer Hadar, Naftali Lazarovitch, and Jonathan E. Ephrath. "Deep-learning-based image super-resolution for enhanced root hair visualization and root traits analysis." In Remote Sensing for Agriculture, Ecosystems, and Hydrology XXV, edited by Christopher M. Neale and Antonino Maltese. SPIE, 2023. http://dx.doi.org/10.1117/12.2687786.

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Singhvi, Ajay, Bo Ma, Johannes Daniel Scharwies, Jose R. Dinneny, Butrus T. Khuri-Yakub, and Amin Arbabian. "Non-Contact Thermoacoustic Sensing and Characterization of Plant Root Traits." In 2019 IEEE International Ultrasonics Symposium (IUS). IEEE, 2019. http://dx.doi.org/10.1109/ultsym.2019.8925944.

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"Evaluating Aluminum Toxicity Tolerance in Wheat Cultivars Based on Root Traits." In International Conference On Agriculture, Ecology And Biological Engineering. Universal Researchers, 2015. http://dx.doi.org/10.17758/ur.u0915215.

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Saccomani, Massimo, Piergiorgio Stevanato, Massimo Cagnin, Giampaolo Fama, Marco De Biaggi, and Enrico Biancardi. "Genetic diversity for root morpho-physiological traits and productivity in sugar beet." In 33rd Biennial Meeting of American Society of Sugarbeet Technologist. ASSBT, 2005. http://dx.doi.org/10.5274/assbt.2005.54.

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Benkert, Edwin J. "Detecting corn rootworm (Diabroticaspp.) resistance development toBt-RW traits: Root injury vs beetle emergence." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.115204.

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Rapporti di organizzazioni sul tema "Root traits and exudation"

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Phillips, Donald A., Yitzhak Spiegel, and Howard Ferris. Optimizing nematode management by defining natural chemical bases of behavior. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7587234.bard.

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This project was based on the hypothesis that nematodes interacting with plants as either parasites or beneficial saprophytes are attracted to their host by natural products. This concept was supported by numerous observations that parasitic nematodes are attracted to root exudates. Our overall goal was to identify nematode sensory compounds from root exudates and to use that information for reducing nematicide applications. We applied skills of the investigators to achieve three specific objectives: 1) Identify nematode behavioral cues (e.g., attractants or repellents) in root exudates; 2) Id
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Bar-Tal, Asher, Paul R. Bloom, Pinchas Fine, et al. Effects of soil properties and organic residues management on C sequestration and N losses. United States Department of Agriculture, 2008. http://dx.doi.org/10.32747/2008.7587729.bard.

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Abstract (sommario):
Objectives - The overall objective of this proposal was to explore the effects of soil properties and management practices on C sequestration in soils and off-site losses of N.The specific objectives were: 1. to investigate and to quantify the effects of soil properties on C transformations that follow OW decomposition, C losses by gaseous emission, and its sequestration by organic and mineral components of the soil; 2. to investigate and to quantify the effects of soil properties on organic N mineralization and transformations in soil, its losses by leaching and gaseous emission; 3. to invest
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3

Nippert, Jesse, Kate McCulloh, Kevin Wilcox, Kim O'Keefe, Rachel Keen, and Anping Chen. Using root and soil traits to forecast woody encroachment dynamics in mesic grassland. Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/2248061.

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4

Dubcovsky, Jorge, and T. (Tzion) Fahima. Validation of candidate genes for a QTL responsible for water stress tolerance and their diversity in wheat. United States-Israel Binational Agricultural Research and Development Fund, 2022. http://dx.doi.org/10.32747/2022.8134149.bard.

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Abstract (sommario):
The main goals of this project as stated in the original proposal were to identify which of the candidate gene(s) identified in a 1.5 Mb region of wheat and rye chromosomes 1RS and 1BS were responsible for the differences in root architecture, reveal their natural variation and characterize the epistatic interactions that modulate their effect in different backgrounds. Background: Wheat is an essential crop for global food security and is well adapted to a wide variety of soils. However, the gene networks regulating different wheat root architectures remain poorly understood. Root depth and bi
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5

Aaron Hogan, Aaron Hogan. How do roots vary? An exploration of root functional traits across an environmental gradient in Hainan, China. Experiment, 2017. http://dx.doi.org/10.18258/9485.

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6

Waisel, Yoav, Bobbie McMichael, and Amram Eshel. Decision Making within Plant Root Systems. United States Department of Agriculture, 1996. http://dx.doi.org/10.32747/1996.7613030.bard.

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Abstract (sommario):
Architecture of a root system is the expression of the potential of various root types to branch, to grow and to coordinate with other plant organs, under the specific limitations of the environmental conditions. The present investigation has proven the following points. 1) Genotypes with different types of root systems were identified. The growth patterns of their roots and the distribution of laterals along their main axes were recorded. 2) The patterns of development of the root systems of four cotton genotypes, throughout the entire life cycle of the plants, were described, even at such a
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7

Kapulnik, Yoram, Maria J. Harrison, Hinanit Koltai, and Joseph Hershenhorn. Targeting of Strigolacatones Associated Pathways for Conferring Orobanche Resistant Traits in Tomato and Medicago. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7593399.bard.

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Abstract (sommario):
This proposal is focused on examination of two plant interactions: parasitic with Orobanche, and symbiosis with arbuscular mycorrhiza fungi (AMF), and the involvement of a newly define plant hormones, strigolactones (SLs), in these plant interactions. In addition to strigolactones role in regulation of above-ground plant architecture, they are also known to be secreted from roots, and to be a signal for seed germination of the parasitic plants Orobanche. Moreover, secreted strigolactones were recognized as inducers of AMFhyphae branching. The present work was aimed at Generation of RNAi mutant
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8

Minz, Dror, Stefan J. Green, Noa Sela, Yitzhak Hadar, Janet Jansson, and Steven Lindow. Soil and rhizosphere microbiome response to treated waste water irrigation. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7598153.bard.

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Abstract (sommario):
Research objectives : Identify genetic potential and community structure of soil and rhizosphere microbial community structure as affected by treated wastewater (TWW) irrigation. This objective was achieved through the examination soil and rhizosphere microbial communities of plants irrigated with fresh water (FW) and TWW. Genomic DNA extracted from soil and rhizosphere samples (Minz laboratory) was processed for DNA-based shotgun metagenome sequencing (Green laboratory). High-throughput bioinformatics was performed to compare both taxonomic and functional gene (and pathway) differences betwee
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9

Cytryn, Eddie, Mark R. Liles, and Omer Frenkel. Mining multidrug-resistant desert soil bacteria for biocontrol activity and biologically-active compounds. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7598174.bard.

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Abstract (sommario):
Control of agro-associated pathogens is becoming increasingly difficult due to increased resistance and mounting restrictions on chemical pesticides and antibiotics. Likewise, in veterinary and human environments, there is increasing resistance of pathogens to currently available antibiotics requiring discovery of novel antibiotic compounds. These drawbacks necessitate discovery and application of microorganisms that can be used as biocontrol agents (BCAs) and the isolation of novel biologically-active compounds. This highly-synergistic one year project implemented an innovative pipeline aimed
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10

Savaldi-Goldstein, Sigal, and Todd C. Mockler. Precise Mapping of Growth Hormone Effects by Cell-Specific Gene Activation Response. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7699849.bard.

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Abstract (sommario):
Plant yield largely depends on a complex interplay and feedback mechanisms of distinct hormonal pathways. Over the past decade great progress has been made in elucidating the global molecular mechanisms by which each hormone is produced and perceived. However, our knowledge of how interactions between hormonal pathways are spatially and temporally regulated remains rudimentary. For example, we have demonstrated that although the BR receptor BRI1 is widely expressed, the perception of BRs in epidermal cells is sufficient to control whole-organ growth. Supported by additional recent works, it is
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