scholarly journals Morphological and Biochemical Characterization – A Comparative Analysis of Non-commercial and Commercial Plant Growth Promoting Microorganisms

Author(s):  
A. Muthukumar G. M. Sandhya ◽  
G. Dakshayini
PLoS ONE ◽  
2020 ◽  
Vol 15 (4) ◽  
pp. e0231206 ◽  
Author(s):  
Mukesh Kumar Malviya ◽  
Chang-Ning Li ◽  
Manoj Kumar Solanki ◽  
Rajesh Kumar Singh ◽  
Reemon Htun ◽  
...  

2007 ◽  
Vol 57 (10) ◽  
pp. 2228-2235 ◽  
Author(s):  
Peter Vandamme ◽  
Katja Opelt ◽  
Nadine Knöchel ◽  
Christian Berg ◽  
Susan Schönmann ◽  
...  

A polyphasic taxonomic study including DNA–DNA reassociation experiments and an extensive biochemical characterization was performed on 14 Burkholderia isolates from moss gametophytes of nutrient-poor plant communities on the southern Baltic Sea coast in northern Germany. The strains were classified within two novel species, for which the names Burkholderia bryophila sp. nov. and Burkholderia megapolitana sp. nov. are proposed. The former species also includes isolates from grassland and agricultural soil collected in previous studies. Strains Burkholderia bryophila 1S18T (=LMG 23644T =CCUG 52993T) and Burkholderia megapolitana A3T (=LMG 23650T =CCUG 53006T) are the proposed type strains. They were isolated from Sphagnum rubellum and Aulacomnium palustre, respectively, growing in the ‘Ribnitzer Großes Moor’ nature reserve (Mecklenburg-Pommern, Germany). All moss isolates of both novel species showed antifungal activity against phytopathogens as well as plant-growth-promoting properties.


2020 ◽  
Vol 19 (3) ◽  
pp. 37-45
Author(s):  
Dragana Stamenov ◽  
Timea I. Hajnal-Jafari ◽  
Biljana Najvirt ◽  
Snežana Anđelković ◽  
Jelena Tomić ◽  
...  

The objective of this work was to do a comparative study of Pseudomonas and Bacillus isolates for their plant growth-promoting (PGP) potential, monitoring the impact of selected isolates on the yield of English ryegrass (Lolium perenne). Isolation, physiological and biochemical characterization, in vitro assay of enzymatic and plant-growth promoting activities of isolates were done. Pseudomonas isolates have been shown to have the ability to use different sources of carbon, to live in the condition of low pH as well as temperature and to produce siderophore. On the other hand, Bacillus isolates have the ability to solubilize phosphate, to produce a greater amount of indol-3-acetic acid (IAA) than Pseudomonas isolates and have an inhibitory effect on the growth of phytopathogenic fungi. In other investigated traits, isolates were similar. The use of Pseudomonas sp. P12 and Bacillus sp. B1 isolates had a positive effect on the plant mass and total yield, which indicate that the use of these isolates can result in a better yield of forage crops.


Author(s):  
Saroj Bala ◽  
Rajni Devi ◽  
Veena Khanna

The latest soil management scenario is occupied by destructive chemical fertilizers, which is a serious risk to both human health as well as to the environment. Advantageous microbes present in soil are used as a biofertilizers for a promising role in sustainable agriculture. Pigeon pea (Cajanus cajan L.) is a primitive protein rich leguminous pulse in India. Thirty-five isolates from rhizospheric soil samples were collected from twelve different locations of Punjab (India). Morphological and biochemical characterization for selection of potential plant growth promoting traits with antifungal properties was undertaken. Most of the inoculated seeds with rhizoisolates evolved a significant increase in growth parameters of pigeon pea as compared to uninoculated seeds, both in vitro and in vivo conditions. Plant growth promoting rhizobacterias (PGPRs) are environmentally safe as they lead to increased production and resistance against diseases of crops.


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