rhizosphere


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rhizosphere

the particular area immediately surrounding the roots of plants in which their exudations affect the surrounding microbial flora. Many exudations are nutrients which the microorganisms utilize and include carbohydrates, vitamins and amino acids. Conversely, the plant roots may take up minerals released by the microorganisms. Bacteria may be present in the rhizosphere in numbers fifty times greater than in surrounding soil. Gram-negative rods predominate whereas Gram-positive forms are less common than in the surrounding soil. Fungi are usually present in the rhizosphere in similar quantities to those in the surrounding soil, though some plants encourage particular forms.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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PGPR bacterial has ability to alter the internal pool of IAA while the endogenous level of IAA in plant roots may be optimum for growth hence more IAA required from soil rhizosphere bacteria may enhance or suppress the plant growth as a result promotion or inhibition happens respectively (Phan et al., 2016).
CHARACTERIZATION OF PLANT GROWTH PROMOTING ACTIVITIES OF BACTERIAL ENDOPHYTES AND THEIR ANTIBACTERIAL POTENTIAL ISOLATED FROM CITRUS
Joint lead author, Dr Barney Geddes, from Oxford's Department of Plant Sciences, said: 'Plants influence the microbiota of their rhizosphere by sending out chemical signals that attract or suppress specific microbes.
University of Oxford: Engineering new signalling networks to produce crops that need less fertiliser
The interaction between plant and PSBs in the rhizosphere plays a key role in the transformation, mobility and solubility of P, which in turn enables the plant to take up sufficient P (Hayat et al 2010).
Effect of phosphate solubilising bacteria (Enterobacter cloacae) on phosphorus uptake efficiency in sugarcane (Saccharum officinarum L.)
The major characteristics of rhizosphere like physical, biochemical and ecologic characteristics are dependent on the balance between different compounds released, with timing of release and production of any unique substances.
Metabolic Diversity of Rhizospheric Pseudomonas species of Bt Cotton Plant
Foliar, soil and rhizosphere sampling: Nine months after the establishment of the experiment, four one square meter replicates were randomly established in each zone.
Reintroduccion de cobertura vegetal en un humedal tropical contaminado con petroleo y sulfato: efecto de la rizosfera sobre poblaciones de Desulfovibrio
The Cu contents in the rhizosphere and bulk soil were determined by two different methods: 0.05mol [L.sup.-1] [Na.sub.2]-EDTA/1.0mol [L.sup.-1] ammonium acetate, pH 6.0 (CHAIGNON et al., 2009), herein called CuEDTA; and 0.01mol [L.sup.-1] Ca[Cl.sub.2] (NOVOZAMSKY et al., 1993), herein called Cu-Ca[Cl.sub.2].
Liming as a means of reducing copper toxicity in black oats/Calagem como forma de reducao da toxidez por cobre em aveia preta
Most prior efforts to disentangle this relationship have focused on how plant communities, sediment properties, and hydrology interact, and considerably less is known about the small-scale interactions that take place in the rhizosphere and rhizoplane of individual plants.
Vegetation Effects on Bacteria and Denitrifier Abundance in the Soils of Two Tidal Freshwater Wetlands in Virginia
The concentration of plant nutrients in the zone of soil-roots interactions (rhizosphere) is reported to be different from bulk soil [5].
Selected Chemical Properties of Soybean Rhizosphere Soil as Influenced by Cropping Systems, Rhizobium Inoculation, and the Supply of Phosphorus and Potassium after Two Consecutive Cropping Seasons
Biological control of nematodes using rhizosphere micro-organisms was considered in several reviews to be a potential management tactic and an effective alternative to nematicides (Kerry, 2000; Mukhtar et al., 2013d; Hussain et al., 2017a, b; Rahoo et al., 2017).
Glomus mosseae (Gerd and Trappe) and Neemex Reduce Invasion and Development of Meloidogyne incognita
Carbendazim may be slowly degraded via chemical and physical processes (Mazellier, Leroy, De Laat, & Legube, 2003) and also by the rhizosphere microbial community (Roque & Melo, 2000).
Biodegradation of the fungicide carbendazim by bacteria from Coriandrum sativum L. rhizosphere/ Biodegradacao do agrotoxico carbendazim por bacterias da rizosfera de Coriandrum sativum L
Louis, MO, July 14, 2016 --(PR.com)-- Valent BioSciences Corporation (VBC) and the Donald Danforth Plant Science Center today announced the finalization of a multi-year, Master Cooperation Agreement in the area of root science and the rhizosphere. Located in St.
Danforth Plant Science Center and Valent Biosciences Will Collaborate in Unique Root Science Initiative
It has been suggested that rhizosphere microbes may play an important role in phytoremediation.
Effects of Rhizobacteria on the growth, and uptake of lead by tall fescue (Festuca arundinacea)

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