2 edition of Methods of productivity studies in root systems and rhizosphere organisms found in the catalog.
Methods of productivity studies in root systems and rhizosphere organisms
|Contributions||Akademii͡a︡ nauk SSSR., Sovetskiĭ nat͡s︡ionalʹnyĭ komitet po Mezhdunarodnoĭ biologicheskoĭ programme.|
|LC Classifications||QK644 .M4613|
|The Physical Object|
|Number of Pages||239|
|LC Control Number||70468504|
The procedure has been used as an in situ method (Dommergues et al., ), with intact root systems (Harris and Dart, ) and excised roots (DSbereiner and Day, ). The method has been used to demonstrate nitrogen fixation in the rhizosphere of a wide variety of grass species includ- ing most, if not all, of the more important cereal by: The rhizosphere is a densely populated area in which the roots must compete with the invading root systems of neighboring plant This update will focus on recent advancements in root exudation and rhizosphere biology. The following sections will examine the communication process between plant roots and other organisms in the rhizosphere.
Introduction. Holistic – Characterized by comprehension of the parts of something as intimately interconnected and explicable only by reference to the whole (Oxford English Dictionary, ).. The rhizosphere is a complex space. The rhizosphere is often conceptualized as a small volume of soil clinging to short root segments, but the rhizosphere extends past the physical association of root Cited by: Together, the varied contributions to this volume accentuate the need for an interdisciplinary approach to the rhizosphere involving agronomy, microbiology, plant pathology, physiology and soil science, as well as genetics, in order to optimize productivity while minimizing the potential for environmental damage by misuse of agrochemicals.
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. Root systems biology also urgently requires new methods to assay rhizosphere parameters in addition to root and soil. For example, having tools to dynamically monitor quantitative changes in root biology (hormones, water status, nutrients, etc.) and the root environment (pH, nutrient content) would address a major challenge.
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Methods of productivity studies in root systems and rhizosphere organisms. Leningrad, Pub. House "Nauka", (OCoLC) Material Type: Conference publication: Document Type: Book: All Authors / Contributors: Akademii︠a︡ nauk SSSR.; Sovetskiĭ nat︠s︡ionalʹnyĭ komitet po provedenii︠u︡ Mezhdunarodnoĭ biologicheskoĭ.
A bottom-up physiological approach, synthesizing results of detailed studies of tropical tree roots, is not yet possible.
Nevertheless, sufficient information is available to indicate trends in biomass and fine root allocation patterns for some tropical forests types Cited by: The Rhizosphere is the first ecologically-focused book that explicitly establishes the links from extraordinarily small-scale processes in the rhizosphere to larger-scale belowground patterns and processes.
This book includes chapters that emphasize the effects of rhizosphere biology on long-term soil development, agro-ecosystem management and responses of ecosystems to global change. Ghilarov M S, Kovda V A, Novichkova-Ivanova L N, Rodin L E and Sveshnikova M V (Eds.) Methods of Productivity Studies in Root Systems and Rhizosphere Organisms.
Nauka Leningrad, USSR, p. Google ScholarCited by: Ovington, J. and Murray, G. Seasonal perodicity of root growth in birch Methods of productivity studies in root systems and rhizosphere organisms. International Symposium, U.S.S.R.
Aug. 28–Sept. 12Nauka, Leningrad, pp – Google ScholarCited by: 6. A section on rhizosphere sampling describes tools and culture systems employed for analysis of root growth, root morphology, vitality testing and for monitoring of root activity with respect to.
The efficiency of root/rhizosphere in terms of improved nutrient mobilization, acquisition, and use can be fully exploited by: (1) manipulating root growth (i.e. root development and size, root. Ecosystem studies quantified the tremendous energy invested by trees in fine root production and organisms growing in the immediate vicinity of these roots, known as the rhizosphere.
As much as 80 percent of the photosynthate of trees is used to support fine roots and associated microorganisms (Fogel and Hunt ; Vogt and others ).
Plants-microorganisms interactions play a fundamental role in terrestrial ecosystems and various methods have been reported for plant-associated bacteria extraction.
However, these methods exhibit notable variations and lack of some procedural details that may impact the interpretations of results. We propose here a standardized and detailed protocol for the independent extraction of bulk, rhizosphere and rhizoplan soil by: These root exudates, except signaling molecules (Bais et al., ), are easily available and interact with rhizosphere (micro)organisms.
How plant roots interact with rhizosphere microbes for nutrients is a critical step for better understanding of nutrient cycling and Author: Min Liu, Sina Adl, Xiaoyong Cui, Yuqiang Tian, Xingliang Xu, Yakov Kuzyakov, Yakov Kuzyakov.
Rhizosphere biology and crop productivity Australian Journal of Soil Research soil, or 10 6 cells/mm 3 rhizosphere bioﬁlm), followed by fungi, protozoa, nematodes and insects (see Watt et al. The use of glass wall rhizotrons has considerably accelerated progress in many fields of root ecology (B6hm, ) and root turnover can be studied using these methods (Ares, ; Atkinson, ).
The rhizotron method has several advantages over most other root study methods when extensive measurements are by: 0Reviews. Together, the varied contributions to this volume accentuate the need for an interdisciplinary approach to the rhizosphere involving agronomy, microbiology, plant pathology, physiology and soil science, as well as genetics, in order to optimize productivity while minimizing the potential for environmental damage by misuse of agrochemicals.
The results demonstrate the contribution of the detritusphere microbiome in determining the metagenome of developing root systems. Modifications in root microbial function through soil management can ultimately govern plant health, productivity and food security. Summary. A new technique based upon the dilution of C 14 /C 12 ratios in structural carbon of root systems during the course of the growing season was used to evaluate belowground turnover or productivity of two cool desert communities in northern Utah, USA.
This technique provides a measure of turnover of the root system of established perennial plant communities avoiding many of the Cited by: Krasilnikov, P.K. On the classification of the root systems of trees and shrubs. In Methods of productivity studies in root systems and rhizosphere organisms.
Edited by M.S. Ghilanov et al. Nauka (URSS Academy of Sciences, Leningrad. – Google ScholarCited by: 9. The benefits of studying the rhizosphere include the use of plant growth-promoting organisms and the suppression of plant diseases and weeds using biocontrol agents.
Rhizosphere organisms can also be used to enhance the formation of stable soil aggregates and as bioremediation agents of contaminated soils. Root-rhizosphere interactions, from beneficial microorganisms to detrimental nematodes Modern research techniques for the field and the lab Each chapter not only presents a clear summation of the topic under discussion, but also includes a vision of what is to be expected in the years to come.
The rhizosphere is commonly used to describe the volume of soil influenced by root biological activities and it represents a complex and highly-dynamic environment where a vast number of interactions, between roots, minerals, organic compounds, solutes, gases, and microorganisms, determine the biogeochemical cycling of elements.
Recent studies proved that the rhizosphere of some plant species turn water repellant upon drying. The effects of rhizosphere water repellency on microbial biomass and enzyme activity are not known.
Many soil micro-organisms are able to solubilize the unavailable phosphorus, increase uptake of nitrogen and also synthesize growth promoting hormones including auxin. The aim of this study was to isolate and characterize phyllosphere, rhizoplane and rhizosphere micro-organisms from Kenyan rice with growth promoting by: Root exudates include amino acids, organic acids, carbohydrates, sugars, vitamins, mucilage and proteins.
The exudates act as messengers that 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.Rhizosphere aims to advance the frontier of our understanding of plant-soil phere is a multidisciplinary journal that publishes research on the interactions between plant roots, soil organisms, nutrients, and water.
Except carbon fixation by photosynthesis, plants obtain all other elements primarily from soil through roots. We are beginning to understand how communications.