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Showing 1 to 20 of 34 for “"Root Exudates"”.

  1. The effects of various root exudates on broomrape germination

    Ballard, Barbara JeanVirginia Polytechnic Institute and State University1979

    no abstract provided by author

    vt Repository record

  2. Nitrogen Cycling in the Rhizosphere of Cheatgrass and Crested Wheatgrass: Contributions of Root Exudates and Senescence

    Morris, Kendalynn A.

    utahstate Repository record

  3. DISCLOSING THE ROLE OF ROOT EXUDATES IN MODULATING THE INTERACTION BETWEEN PLANT AND XENOBIOTIC DEGRADING BACTERIA

    GHITTI, ELISAUniversità degli Studi di Milano2024

    Positive interactions between plants and root-associated bacteria are fundamental to maintain the homeostasis of the holobiont, especially upon environmental stresses. This crosstalk is mediated by root exudates (REs), including plant secondary metabolites, that are released by the plant as a …

    milano Repository record

  4. Effects of plant flavonoids on the fate of polynuclear aromatic hydrocarbons in rhizosphere soil

    Qui, Xiujin2019

    … the active soil microbial community sustained by root exudates. Whether certain root exudates would influence PAH degradation or bioavailability in soil is not adequately understood. Although various plant flavonoids, important components of root exudates, have been found to activate or inhibit …

    wvu Repository record

  5. Influence of Penicillium simplicissimum (Oud.) Thom and Penicillium citrinum Thom on growth, chemical composition and root exudation of axenic marigold

    Hameed, Khalid MajidVirginia Polytechnic Institute and State University1971

    … plant containers, designed for collecting root exudates, inside sterile gnotobiotic flexible plastic isolators. Plant roots were treated with washed conidiospores of Penicillium simplicissimum (Oud.) Thom (7 to 8 x 10⁶ per plant) or Penicillium citrinum Thom (4 x 10⁶ conidiospores per …

    vt Repository record

  6. Influence of Trichoderma Harzianum Rifai on growth, chemical compositions and root exudation of axenic tobacco

    Joyner, Bobby GeraldVirginia Polytechnic Institute and State University1975

    … Rifai by introducing conidia into the rooting medium at a concentration of 1.08 X 10<sup>6</sup> to 1.44 X 10<sup>6</sup> conidia per plant. Experiments were harvested 35 days and 123 days after inoculation. Growth measurements were made, shoot and root tissue dried for 48 hours at 75 C …

    vt Repository record

  7. ΧΕΙΡΙΣΜΟΙ ΤΟΥ ΑΧΥΡΟΥ ΚΑΙ ΑΛΛΗΛΟΠΑΘΕΙΑ ΣΕ ΑΓΡΟΟΙΚΟΣΥΣΤΗΜΑΤΑ ΣΙΤΑΡΙΟΥ (TRITICUM AESTIVUM L. EM. TELL) ΚΑΙ ΚΤΗΝΟΤΡΟΦΙΚΩΝ ΚΟΥΚΙΩΝ (VICIA FABA L.).

    Καλμπουρτζή-Γκαιλατζή, Κυριακή, Kalburtji, KiriakiAristotle University Of Thessaloniki (AUTH)1988

    … FABABEAN STRAW, FOLLIAGE, SEEDS, AS WELL AS OF ROOT EXUDATES WAS TESTED ON SEED GERMINATION, SEEDLING AND PLANT GROWTH OF BOTH SPECIES, USING DIFFERENT CULTURE MEDIA. EXTRACTS FROM STRAW AND FOLLIAGE, AS WELL AS ROOT EXUDATES REDUCED SEED GERMINATION, SEEDLING AND PLANT GROWTH. THE EFFECT WAS …

    greece Repository record

  8. Effects of kinetin on distribution and exudation of free sterols and free fatty acids in Arachis hypogaea L. 'Argentine' under axenic conditions

    Thompson, Laura KathrynVirginia Polytechnic Institute and State University1978

    … free fatty acids and sterols in plant parts and root exudates of 57-day-old peanut plants grown in nutrient solutions under gnotobiotic conditions was studied. Kinetin was applied to the roots in the culture medium five days before harvest. Upon harvesting root exudates were collected and plants …

    vt Repository record

  9. The impact of plant root biomass on the biodegradation and bioaccessibility of hydrocarbons in soil

    Vazquez Cuevas, Gabriela, Semple, Kirk, Stevens, CarlyLancaster University2018

    … thesis was to investigate the impact of plant root biomass and components typically found within root exudates on the biodegradation and bioaccessibility of phenanthrene from soil with particular interest in the study of root-induced changes of hydrocarbon bioaccessibility. Results showed that …

    lancaster Repository record

  10. Disentangling plant-microbe interactions under environmental change

    Sweeney, D JUniversity of Essex2020

    … size, grain weight, and Asat. Despite analysing root exudates, we did not find many significant differences as previously noted in the literature. This is likely due to the limited scope and analysis of root exudates in this thesis, with previous research performing broader analyses of compounds …

    essex Repository record

  11. Invasive lespedeza cuneata and its relationship to soil microbes and plant-soil feedback

    Beck, Alyssa MarieUniversity of Illinois at Urbana-Champaign2017

    … grass Panicum virgatum. L. cuneata litter and root exudates also have high condensed tannin contents, which may make them difficult to decompose and allow them to uniquely influence microbial communities in ways that benefit conspecific but not heterospecific plants. Plant-mediated shifts in …

    uiuc Repository record

  12. Investigation of the Interactions Among Grass, Chlorophenols and Microbes

    Crane, Cynthia ElizabethVirginia Tech1999

    … interactions between the three chlorophenols and root tissue; and effect of root exudates on biodegradation of TCP. To study the interactions between plants and organic contaminants, rye grass plants were grown in solutions containing DCP, TCP or PCP for one to three weeks. The grass removed …

    vt Repository record

  13. Effect of oxygen and carbon dioxide tensions on release of sugars from peanut roots under gnotobiotic conditions

    Rittenhouse, Richard LeeVirginia Tech1970

    … investigation were: (1) to explore an area, root exudation of peanuts, in which no previous work has been reported; (2) to study the effects of O₂ and CO₂ tensions, both individually and combined, on peanut root exudation; and (3) to determine quantitatively the sugars exuded from the roots …

    vt Repository record

  14. Plant genotype, immunity and soil composition control the rhizosphere microbiome

    Tkacz, AndrzejUniversity of East Anglia2013

    … microbiome, presumably via composition of their root exudates. Two out of three most abundant bacteria selected in the rhizosphere were isolated. These isolates proved to possess plant growth promotion properties. Plants are able to “farm” the soil in order to enrich it with plant growth …

    east-anglia Repository record

  15. Pseudomonas/Brachypodium as a Model System for Studying Rhizosphere Plant Microbe Interactions Under Water Stress

    McWilliams, Janiece2019

    … Results revealed that <em>Brachypodium </em>root exudates contain a mixture of plant metabolites that serve as carbon and energy sources for rhizobacteria and include compounds that act as osmoprotectants and may help rhizobacteria maintain physiological activity and mutualistic interactions …

    usm Repository record

  16. Elucidating the Molecular Pathways Involved in the Fitness and Water Stress Response of Pseudomonas synxantha 2-79 in the Plant Rhizosphere

    Pablo, Clint Henry D.2021

    … of hydrating biofilms and the utilization of root exudates that contain plant-derived osmoprotectants called quaternary ammonium compounds (QACs). We tested this hypothesis by identifying waters stress response pathways in the 2-79 genome and then constructing a series of isogenic mutants …

    usm Repository record

  17. Phytoremediation of Weathered Petroleum in Groundwater by Arroyo Willows in Nutrient Amended On-Site Mesocosms

    Bragg-Flavan, Sarah E2019

    … these willow trees are phreatophytes, their roots are capable of consuming water from the water table. A previous study was conducted using these mesocosms, however the willow trees then were in poor condition. In this study, fertilizer was added to the mesocosms to promote healthy growth of …

    calpoly Repository record

  18. Biochemical and Functional Characterization of Induced Terpene Formation in Arabidopsis Roots

    Sohrabi, RezaVirginia Tech2013

    … However, knowledge of the chemical defense in roots is still limited. In this study, we have examined the root-specific biosynthesis and function of volatile terpenes in the model plant Arabidopsis. When infected with the root rot pathogen Pythium irregulare, Arabidopsis roots release the …

    vt Repository record

  19. Investigating the effect of mutations in lipopolysaccharides (LPS) (O-antigen and Core region) of Salmonella Typhimurium on the colonisation of “microgreens”

    Selvam, P.Middlesex University2024

    … Extracts from nine different microgreens root and leaf samples infected by S. Typhimurium ATCC 14028 were plated on Xylose Lysine Deoxycholate (XLD) agar to quantify bacterial proliferation and attachment. These results demonstrated that S. Typhimurium ATCC 14028 successfully colonised the …

    middlesex

  20. Molecular signalling in Lupinus albus-Rhizobium lupini symbiosis

    Gagnon, Hubert1997

    … and Lupinus albus results in the formation of root nodules where nitrogen fixation takes place. In these associations, molecular signals such as flavonoids (or non-flavonoid type), nod gene-inducers, and bacterial lipochitooligosaccharides (LCOs) are known to act as modulators of …

    concordia Repository record

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