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Tuesday, August 11, 2020 | History

1 edition of Biological and chemical interactions in the rhizosphere found in the catalog.

Biological and chemical interactions in the rhizosphere

Biological and chemical interactions in the rhizosphere

proceedings of a symposium held in Stockholm, September 20-23, 1981.

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  • 6 Currently reading

Published by Ecological Research Committee, Swedish Natural Science Research Council in Stockholm .
Written in English

    Subjects:
  • Rhizosphere -- Congresses.,
  • Rhizoids -- Congresses.

  • Edition Notes

    Includes bibliographies.

    ContributionsNaturvetenskapliga forsknigsrådet (Sweden). Ecological Research Committee.
    The Physical Object
    Pagination136 p. :
    Number of Pages136
    ID Numbers
    Open LibraryOL21736403M
    ISBN 109154603013

    Chemical interactions Chemical availability. Exudates, such as organic acids, change the chemical structure of the rhizosphere in comparison with the bulk trations of organic acids and saccharides affect the ability of the plant to uptake phosphorus, nitrogen, potassium and water through the root cap, and the total availability of iron to the plant and to its neighbors. An in-depth understanding of the rhizosphere is essential to developing successful strategies for future sustainable agriculture. The book summarizes methods and techniques used to study the mechanisms involved in mutualistic symbioses and pathogenic interactions of plants with various microbial organisms including fungi, bacteria, and oomycetes.

    The intensity and the extension of these changes into the bulk soil largely depend on the speci”c interaction between the plant species and its physiological status; the physical, chemical, and biological properties of the soil; and the considered rhizosphere process or characteristic (Hinsinger et al., ; Hinsinger and Courchesne, The transformation and bioavailability of trace elements are profoundly influenced by soil physical, chemical, and biological interfacial interactions in the rhizosphere (Huang and Gobran,

    stimulate biological and physical interactions between roots and soil organisms. They modify the biochemical and physical properties of the rhizosphere and contribute to root growth and plant survival. However, the fate of the exudates in the rhizosphere and the nature of their reactions in the soil remain poorly understood.   The study of the interactions between plants and their microbial communities in the rhizosphere is important for developing sustainable management practices and agricultural products such as biofertilizers and biopesticides. Plant roots release a broad variety of chemical compounds to attract and select microorganisms in the rhizosphere.


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Biological and chemical interactions in the rhizosphere Download PDF EPUB FB2

A range of specialist and generalist microorganisms in the rhizosphere attacks plant-parasitic nematodes. Plants have a profound effect on the impact of this microflora on the regulation of nematode populations by influencing both the dynamics of the nematode host and the structure and dynamics of the community of antagonists and parasites in the rhizosphere.

In general, those organisms that Cited by: The interactions between rhizosphere organisms and foliar herbivores must be mediated by plant responses. where biological as well as physico-chemical properties differ radically from those of bulk soil. The Rhizosphere is the first ecologically-focused book that explicitly establishes the links from extraordinarily small-scale processes in.

Few chemical elements are insoluble enough to resist transformations and transportation by weathering environments, due not in small part to the intense physical and chemical effects of the rhizosphere. The concept of the rhizosphere has been significant to ecological, biological, agronomic, and forestry sciences in its first years of its by: A.C.

Kennedy, L.Z. de Luna, in Encyclopedia of Soils in the Environment, Summary. The rhizosphere is a dynamic region governed by complex interactions between plants and the organisms that are in close association with the root. The composition and pattern of root exudates affect microbial activity and population numbers, which in turn have an impact on the nematodes and microarthropods.

A large body of literature exists about rhizosphere interactions [3, 4, 5]. In this review, we summarize the current knowledge of rhizosphere chemical communication between plant roots and their associated by: Biological balance.

The biological world. Attributes of a successful parasite. Types of biological interactions. Man, the disrupter of balance. The changing scene. Factors involved in biological control. A plant pathologist's definition of biological control. Comparative approaches to biological control of plant pathogens and insects.

Applying biological control. Chemical and biological rhizosphere interactions in low zinc soils. Thesis (PDF Available) Chemical and biological rhizosphere interactions in low zinc soils, pages.

Physical, Chemical, and Biological Changes in the Rhizosphere and Nutrient Availability. Journal of Plant Nutrition: Vol. 29, No. 7, pp. The key chemical compounds used in the plant root-microbe communications can be used as targets for genetic engineering to further enhance these interactions.

The present review mainly focuses on plant and microbe (PGPRs) components in rhizosphere engineering. Harnessing natural and beneficial plant-microbe interaction in the rhizosphere region.

This book presents a detailed discussion on the direct interactions of plants and microorganisms in the rhizosphere environment. It includes fifteen chapters, each focusing on a specific component of. Chemico-Biological Interactions publishes research reports and review articles that examine the molecular, cellular, and/or biochemical basis of toxicologically relevant outcomes.

Special emphasis is placed on toxicological mechanisms associated with interactions between chemicals and biological. BIOTIC INTERACTIONS IN THE RHIZOSPHERE ARE IMPORTANT FOR PLANT PRODUCTIVITY.

The rhizosphere is an environment where plants interact with other plants, herbivores, and microorganisms (Lynch and Whipps, ; Barea et al., ; Bais et al., ).The rhizosphere not only represents the trade zone in which pathogens or neighbor roots interact with the plant but is also a preventive.

physical, chemical, and biological interfacial interactions in the rhizosphere (Huang and Gobran, ). Many trace elements are of c oncern to animal nutrition and human health. Beneficial belowground microbial interactions with the rhizosphere help plants mitigate drought and salinity stresses and alleviate water stresses under the unfavorable environmental conditions in the native soils.

Microorganisms that are inhabitants of such environmental conditions. The overall change may be deemed biological, but chemical, biological, and physical properties of the soil, in tum, are affected. A multitude of compounds are released into the rhizosphere of plants grown in soil, most of which are organic compounds and are normal plant constituents derived from photosynthesis and other plant processes (Table 1).

Goal: We are pleased to invite you to contribute to the session ‘Plant-Microorganism-Soil interactions in the rhizosphere: from chemical, biological, and physical perspectives to an interlinked. The book also covers mathematical modeling and methodological approaches to the study of the rhizosphere.

Information in all chapters derives from a molecular approach which contributes to a better understanding of the biochemical processes occurring at the plant-soil interface. plant, plant-microbe, and plant-insect interactions that occur in aboveground plant organs such as leaves and stems, very little research has focused on root-root, root-microbe, and root-insect interactions in the rhizosphere.

The following sections will exam-ine the communication process between plant roots and other organisms in the rhizosphere. Morgan JAW, Bending GD, White PJ () Biological costs and benefits to plant-microbe interactions in the rhizosphere. J Exp Bot – PubMed CrossRef Google Scholar Nagahashi G, Douds DD () Isolated root caps, border cells, and mucilage from host roots stimulate hyphal branching of the arbuscular mycorrhizal fungus, Gigaspora.

Further, owing to different binding properties of soil particles and other soil chemical factors, the fate of any such compound remains unclear.

Thus, there is still a long way to go to broaden our understanding of the processes and molecules involved in rhizosphere interactions. Chemical Communication Within the Rhizosphere. The rhizosphere is one of the most complex ecosystems on earth and is inhabited by various organisms including nematodes, fungi, bacteria, and arthropod herbivores (Venturi and Keel, ).

Compared to bulk soil, the rhizosphere is associated with increased bacterial abundance and activity, but.Pine wilt disease (PWD) caused by Bursaphelenchus xylophilus is a major threat to pine forests worldwide. Induction of resistance is a promising and safe management option that should be investigated in relation to its possible influence on the pine tree ecosystem, including the surrounding microbial communities.

In this study, two main resistance-inducing chemical elicitors, methyl salicylic.Rhizosphere chemical dialogues: plant–microbe interactions Overview of attention for article published in Current Opinion in Biotechnology, December Altmetric Badge.