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Plant Growth Promoting Rhizobacteria for Groundnut production

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Examples of direct plant growth promotion that are discussed include (a) biofertilization, (b) stimulation of root growth, (c) rhizoremediation, and (d) plant stress control. Mechanisms of biological control by which rhizobacteria can promote plant growth indirectly, i.e., by reducing the level of disease, include antibiosis, induction of systemic resistance, and competition for nutrients and niches.

Plant Growth

Plant growth promoting rhizobacteria includes the rhizosphere-colonizing N 2-fixing rhizobacteria, providing plants with nitrogen in addition to the well-characterized symbiosis of legume rhizobia. PGPR must colonize the rhizosphere around the roots, the rhizoplane (root surface) or the root itself (within root problem), regardless of the mechanism(s) of plant growth promotion.

Plant growth promoting Rhizobacteria: An overview

bacteria are collectively known as PGPR (plant growth promoting rhizobacteria).Of the microorganisms that parasitize on nematodes and reduce nematode populations by antagonistic behaviour, bacteria hold an important position where some of them have shown great potential

(PDF) Plant growth

Plant growth-promoting rhizobacteria (PGPR) are the rhizosphere bacteria that can enhance plant growth by a wide variety of mechanisms like phosphate solubilization, siderophore production

Frontiers Plant Growth

· Physiology of Plant-Growth Promoting Rhizobacteria Plant-microbe co-evolution has led to some of the bacteria becoming facultative intracellular endophytes (Bulgarelli et al., 2013). Among these free-living bacteria are PGPR that exert beneficial effects on

Review Plant Growth Promoting Rhizobacterial

microbial formulations made of indigenous plant growth-promoting rhizobacteria (PGPR) which can naturally improve plant growth either directly or indirectly, through the production of phytohormones, solubilization of soil nutrients, and production of iron-binding metabolites; siderophores.

Biochemical and molecular characterization of DAPG

improving growth and yields of various crops like groundnut (Dey et al. 2004). Pseudomonads are common members of the plant growth-promoting rhizobacterial microflora in the rhizosphere of groundnut. As compared to other soil microorganisms, rhizospheric pseudomonads are more beneficial for production and survival of plants due to their

Mechanisms and applications of plant growth promoting

· 3. Plant growth promoting rhizobacteria. The plant growth promoting rhizobacteria (PGPR), are characterized by the following inherent distinctiveness’s: (i) they must be proficient to colonize the root surface (ii) they must survive, multiply and compete with other microbiota, at least for the time needed to express their plant growth promotion/protection activities, and (iii) they must

The role of mycorrhizae and plant growth promoting

Under stress conditions, plant growth is affected by a number of factors such as hormonal and nutritional imbalance, ion toxicity, physiological disorders, susceptibility to diseases, etc. Plant growth under stress conditions may be enhanced by the application of microbial inoculation including plant growth promoting rhizobacteria (PGPR) and




antagonists such as plant growth promoting rhizobacteria (PGPR) as a viable alternative to chemical management of these groundnut diseases is an emerging concept. In this paper, the scope, potential and future prospects of using PGPR as antagonists to manage these foliar and soilborne diseases is discussed In detail.

(PDF) Response of plant growth promoting rhizobacteria


Biochemical and molecular characterization of DAPG

Biochemical and molecular characterization of DAPG-producing plant growth-promoting rhizobacteria (PGPR) of groundnut (Arachis hypogaea L.) Plant growth-promoting rhizobacteria (PGPR) thrive in the rhizosphere of plants and play a beneficial role in plant growth, and development along with biocontrol activities.

Plant growth promoting Rhizobacteria: A boon for

Indian Journal of Plant Physiology; 20(1): 1-9. Katiyar D, Hemantaranjan A, Singh B (2016) Plant growth promoting Rhizobacteria- an efficient tool for agriculture promotion. Advances in Plants & Agriculture Research; 4(6): 00163. Introduction. Plant Growth Promoters-PGP are the substances that improve the general health growth and development

Effect of Combined Inoculations of Plant Growth Promoting

recorded in the crops grown without Plant growth promoting rhizobacteria treatment. Dry weight of plant (g/plant) The results on the effect of various treatment of plant growth promoting rhizobacteria on dry weight (g/plant) of groundnut crop at various stages of its growth (25, 50, 75 and 100 DAS) are shown in Table 6. The

Growth promotion and yield enhancement of peanut (Arachis

Although plant growth-promoting rhizobacteria (PGPR) have been reported to influence plant growth, yield and nutrient uptake by an array of mechanisms, the specific traits by which PGPR promote plant growth, yield and nutrient uptake were limited to the expression of one or more of the traits expressed at a given environment of plant-microbe interaction.

Response of groundnut (Arachis hypogaea L.) to plant

The effects of plant growth promoting Rhizobacteria (PGPR) on the growth, plant nutrient content and crop yield of groundnut (Arachis Hypogaea L.) cv. Golden were investigated under rainfed conditions in degraded lands within 2011 and 2014. The experiment was planned with a randomized complete block design having three replication.

Isolation and Identification of Plant Growth Promoting

Plant growth promoting rhizobacteria (PGPR) are the rhizosphere bacteria that may be utilized to augment plant growth and suppress plant diseases. The objectives of this study were to identify and characterize PGPR indigenous to cucumber rhizosphere in Bangladesh, and to evaluate their ability to suppress Phytophthora crown rot in cucumber. A total of 66 isolates were isolated, out of which 10

Characterization of Potential Plant Growth Promoting

In order to identify Plant Growth Promoting Rhizobacteria among isolated rhizobacteria in the central and northern Benin, we have screened all the strains for ammonia and hydrogen cyanide production. Thus, all the Serratia strains followed by 80% of Bacillus

Soil salinity: A serious environmental issue and plant

· Some plant growth-promoting rhizobacteria (PGPR) may exert a direct stimulation on plant growth and development by providing plants with fixed nitrogen, phytohormones, iron that has been sequestered by bacterial siderophores, and soluble phosphate (Hayat et al., 2010).

An Overview of Plant Growth Promoting Rhizobacteria (PGPR

· Kloepper JW, Leong J, Teintze M, Schroth MN (1980) Enhanced plant growth by siderophores produced by plant growth-promoting rhizobacteria. Nature 286:885–886 CrossRef Google Scholar Kloepper JW, Ryu CM, Zhang S (2004) Induced systemic resistance and promotion of plant growth by Bacillus spp. Phytopathology 94(11):1259–1266 PubMed CrossRef

Microbiome for sustainable agriculture: a review with

The free-living bacteria, i.e., plant growth-promoting rhizobacteria (PGPR) inhibit plant pathogen by releasing phytohormones, 1-amino-cyclopropane-1-1-carboxylate (ACC) deaminase activity, siderophore, ammonium, hydrogen cyanide (HCN), etc. (Kaur et al. 2018) and improve plant growth and vegetative vigor, so rending host more resistant or

Metabolites in the root exudates of groundnut change

1. J Plant Physiol. 2019 Dec;243:153057. doi: 10.1016/j.jplph.2019.153057. Epub 2019 Oct 16. Metabolites in the root exudates of groundnut change during interaction with plant growth promoting rhizobacteria in a strain-specific manner. Ankati S(1), Podile AR(2).

(PDF) Impacts of Plant Growth Promoting Rhizobacteria

— The main objective of this study is determine the responses of Bambara groundnut [Vigna subterranea (L). Verdc.] to application methods of plant growth promoting rhizobacteria inoculant and time of sowing after inoculation in Agbani area of Enugu,