Co-inoculation of potassium solubilizing and nitrogen fixing bacteria on solubilization of waste mica and their effect on growth promotion and nutrient acquisition by a forage crop

Basak, B. B.; Biswas, D.R.

doi:10.1007/s00374-010-0456-x

Cited by 125 publications

(55 citation statements)

References 34 publications

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“…These studies indicated that these bacteria can enhance plant growth and increase plant P content [19,38], which is consistent with the observations made in the present study. Tobacco plants with the lowest dry weights were grown in unfertilized soil that received no TCP and were not inoculated.…”

Section: Discussionsupporting

confidence: 83%

Isolation, Characterization, and Growth Promotion of Phosphate-Solubilizing Bacteria Associated with Nicotiana Tabacum (Tobacco)

Gao¹,

Kong²,

Feng³

et al. 2016

Pol. J. Environ. Stud.

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Phosphate-solubilizing bacteria (PSB) increase phosphate bioavailability, thereby reducing the application frequency of chemical fertilizers in the production of Nicotiana tabacum (tobacco). In this study, PSB were isolated from tobacco plants for the fi rst time. These PSB were screened in vitro for their ability to solubilize inorganic P (Pi) when grown in association with tobacco plants. Thirty-six PSB with the ability to solubilize P i were isolated and screened for their indolyl-3-acetic acid and siderophore-producing capabilities. In addition, all 36 PSB strains had a partial fragment of their 16S rRNA gene sequenced. The analysis revealed high sequence identity to 16S rDNA sequences from Bacillus, Arthrobacter, Providencia, Enterobacter, Proteus, Psychrobacter, Serratia, Rhodococcus, Pseudomonas, Ochrobactrum, and Acinetobacter. Of the 36 PSB strains analyzed, three (Psychrobacter alimentarius HB15, Enterobacter ludwigii HB21, and Ochrobactrum haematophilum HB36) were selected for a controlled plant inoculation experiment. Inoculation of tobacco plants with these bacterial strains signifi cantly increased plant dry weight. Additionally, inoculation increased P, K, and N uptake by tobacco seedlings as well as soil P availability. The increases observed with inoculation were even more pronounced when tricalcium phosphate (TCP) was added to the soil. The phosphate-solubilizing activity of these three strains was correlated with the release of gluconic, tartaric, acetic, and citric organic acids. Overall, co-inoculation of PSB and TCP appears to represent a promising option for increasing the yield of tobacco plants. The adoption of this technique could provide a pathway to reducing fertilizer input in agricultural settings.

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Section: Discussionsupporting

confidence: 83%

Isolation, Characterization, and Growth Promotion of Phosphate-Solubilizing Bacteria Associated with Nicotiana Tabacum (Tobacco)

Gao¹,

Kong²,

Feng³

et al. 2016

Pol. J. Environ. Stud.

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“…Similarly, coinoculation of legumes with Rhizobium and IAA-producers such as Azospirillum brasilense, Bacillus and Pseudomonas have been found to increase the number of nodules, nodule fresh weight and nitrogenase activity in comparison to Rhizobium/Bradyrhizobium-inoculated plants (Yahalom et al, 1990). Inoculation with bacteria having the ability to produce ä-aminolevulinic acid (ALA) and potassium solubilization also resulted in growth improvement of different plants (Hotta et al, 1997;Hu et al, 2006;Basak and Biswas, 2010;Liu et al, 2014). Similarly, coinoculation of different PGPR strains with Rhizobium/Bradyrhizobium spp.…”

Section: Introductionmentioning

confidence: 99%

“…Similarly, coinoculation of different PGPR strains with Rhizobium/Bradyrhizobium spp. was found to improve nodulation, root and shoot weight, plant vigor and grain yield in various legumes (Li and Alexander, 1988;Dashti et al, 1998;Sindhu et al, 2002;Basak and Biswas, 2010;Malik and Sindhu, 2011).…”

Section: Introductionmentioning

confidence: 99%

Growth stimulation of clusterbean (Cyamopsis tetragonoloba) by coinoculation with rhizosphere bacteria and Rhizobium

Chaudhary

Sindhu

2016

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Clusterbean [Cyamopsis tetragonoloba (L.) Taub.] is an important commercially utilizable crop grown in arid zone of India. Microorganisms present in the rhizosphere of this crop produce various plant growth-promoting substances and enhance the availability of nutrients to the plants. Therefore, fifty five bacterial isolates obtained from the rhizosphere of clusterbean were explored for beneficial characteristics. Twenty rhizobacterial isolates produced indole acetic acid ranging from 3.9 to 24.7 µg/mL. Only six isolates HCS7, HCS19, HFS7, HFS9, HFS10 and HFS12 showed d-aminolevulinic acid production varying from 1.3 to 7.0 µg/mL. Fourteen isolates showed solubilization of potassium on mica containing Aleksandrov medium plates. Stimulation of root and shoot growth of clusterbean seedlings on water agar plates was observed by inoculation of eleven rhizobacterial isolates at 5 and 10 days of growth whereas some isolates showed stunting effect on the growth of shoot and root as compared to uninoculated seedlings. At 60 days of plant growth, inoculation of Bradyrhizobium strain GSA11 and Rhizobium strain GSA110 showed significant nodulation and their inoculation resulted in 141.94 and 151.43% gains in shoot dry weight, respectively under chillum jar conditions. Coinoculation of Bacillus isolate HCS43 with Rhizobium strain GSA110 formed 48 nodules/plant and plant dry weight was enhanced by 190.09% in comparison to uninoculated control plants.

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“…Microarray experiments revealed strong repression of N transporters in K-deficient plants, which is quickly counteracted to supply sufficient K to the plants. Crop yield in conditions of K deficiency and attack by pathogens and insects is differentially affected by the degree of synergistic and antagonistic effects which occur in the plant in response to this kind of stress (Armengaud et al 2004), and it has been discovered that some symbiotic organisms can contribute to potassium buildup in certain host plants (Basak and Biswas 2010).…”

Section: Potassium (K)mentioning

confidence: 99%

Plant and microbe genomics and beyond: potential for developing a novel molecular plant nutrition approach

2015

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Classical soil science approaches have enabled us to establish basic principles of how the soil system functions and have answered numerous practical agricultural application questions. In recent years, efforts have been refocused on better understanding, managing and benefiting from this system that contains one of the most complex biological communities of the planet. Soil biology is seen as being at the center of scientific research of this century, with novel research objectives and goals being set. In addition, plant nutrition has enabled us to understand nutrient uptake, transport and mobilization mechanisms in plants, and both disciplines have converged on the area of microorganism-mediated plant nutrition. The challenge for these scientific areas is to identify microorganism communities and the roles they play in their habitats, as well as the mechanisms that plants have to make better use of nutrients. Genomics and metagenomics, along with microbiological techniques, are contributing greatly to advances in our understanding of living systems that exist in the soil and their interaction with plants. For its part, molecular plant nutrition has made significant progress in understanding the use of nutrients by plant cells, and has identified molecular mechanisms that can improve nutrient use efficiency. Together, molecular soil microbiology and molecular plant nutrition are projected to be a driving force in agriculture and sustainable food production in the coming years. Herewith, we aim to integrate recent literature on basic and applied research concerning plant and microbe genomics in terms of their potential for developing a novel molecular plant nutrition approach, with special emphasis on nitrogen, potassium and phosphorous as the major macronutrients for crop plants.

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Co-inoculation of potassium solubilizing and nitrogen fixing bacteria on solubilization of waste mica and their effect on growth promotion and nutrient acquisition by a forage crop

Cited by 125 publications

References 34 publications

Isolation, Characterization, and Growth Promotion of Phosphate-Solubilizing Bacteria Associated with Nicotiana Tabacum (Tobacco)

Isolation, Characterization, and Growth Promotion of Phosphate-Solubilizing Bacteria Associated with Nicotiana Tabacum (Tobacco)

Growth stimulation of clusterbean (Cyamopsis tetragonoloba) by coinoculation with rhizosphere bacteria and Rhizobium

Plant and microbe genomics and beyond: potential for developing a novel molecular plant nutrition approach

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