Potential of root nodule nonrhizobial endophytic bacteria for growth promotion of
            <i>Lotus corniculatus</i>
            L. and
            <i>Dactylis glomerata</i>
            L.

Knežević, Magdalena; Berić, Tanja; Buntić, Aneta; Delić, Dušica; Nikolić, Ivan; Stanković, Slaviša; Stajković-Srbinović, Olivera

doi:10.1111/jam.15152

Cited by 18 publications

(10 citation statements)

References 51 publications

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“…In similar manner, Tapia-García et al [ 14 ] have studies 83 root nodule associated bacteria of which 56.6% were found to be IAA producers. In addition, Knežević et al [ 17 ] have reported 44 root nodule endophytic isolates from the root nodules of Medicago sativa L. and Lotus corniculatus L. and the majority exhibited indole-3-acetic acid (IAA) production. With regard to the quantity of synthesized IAA, the quantitified amounts of IAA produced were varied among the bacterial isolates.…”

Section: Discussionmentioning

confidence: 99%

“…These researchers also found that most of these passenger endophytes possessed plant growth promoting traits and further reported that the co-inoculation of two of these passenger endophytes with rhizobia significantly increased paba bean nodulation, growth and nitrogen uptake compared to single inoculated or un-inoculated treatments. Furthermore, Knežević et al [ 17 ] have reported 44 non-rhizobial isolates from the root nodules of nodules of Medicago sativa L. and Lotus corniculatus L. and revealed that the majority exhibited indole-3-acetic acid (IAA) production; 29 produced siderophores, few isolates performed phosphate solubilization and/or produced lytic enzymes, while 30% of isolates showed notable antifungal activity. The most promising strains were identified as members of Bacillus, Pseudomonas and Serratia genera, based on 16S rRNA sequence analysis in their study.…”

Section: Introductionmentioning

confidence: 99%

“…These days, there has been increasing interest to characterize and bioprospect root nodule endophytes for plant growth promoting traits from diverse legume plants in different parts of the globe [ 3 , 12 – 14 , 16 , 17 ]. These studies are aimed at obtaining potential endophytic inocula and to elucidate functional relationships between endophytes and host plants.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of inorganic phosphate solubilizing efficiency and multiple plant growth promoting properties of endophytic bacteria isolated from root nodules Erythrina brucei

et al. 2022

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Background In soils, phosphorous (P) mostly exists in fixed/insoluble form and unavailable for plants use in soil solution, hence it is in scarcity. P is fixed in the form of aluminium, iron and manganese phosphates in acidic soils and calcium phosphate in alkaline soils. Phosphate solubilizing bacteria, the ecological engineers play a pivotal role in the mobilization of fixed forms of P by using different mechanisms. The objectives of this study were to evaluate inorganic phosphate solubilizing efficiency and other multiple plant growth promoting traits of Erythrina brucei root nodule endophytic bacteria and to investigate effects of the selected endophytic bacteria on the growth of wheat plant under phosphorous deficient sand culture at greenhouse conditions. Results Among a total of 304 passenger endophytic bacteria, 119 (39%) exhibited tricalcium phosphate (TCP) solubilization; however, none of them were formed clear halos on solid medium supplemented with aluminum phosphate (Al-P) or iron phosphate (Fe–P). Among 119 isolates, 40% exhibited IAA production. The selected nine potential isolates also exhibited potentials of IAA, HCN, NH3 and/or hydrolytic enzymes production. All the selected isolates were potential solubilizers of the three inorganic phosphates (Al-P, Fe–P and TCP) included in liquid medium. The highest values of solubilized TCP were recorded by isolates AU4 and RG6 (A. soli), 108.96 mg L−1 and 107.48 mg L−1, respectively at sampling day3 and 120.36 mg L−1 and 112.82 mg L−1, respectively at day 6. The highest values of solubilized Al-P and Fe–P were recorded by isolate RG6, 102.14 mg L−1 and 96.07 mg L−1, respectively at sampling days 3 and 6, respectively. The highest IAA, 313.61 µg mL−1 was recorded by isolate DM17 (Bacillus thuringiensis). Inoculation of wheat with AU4, RG6 and RG5 (Acinetobacter soli) increased shoot length by 11, 17.4 and 14.6%, respectively compared to the negative control. Similarly, 76.9, 69.2 and 53.8% increment in shoot dry weight is recorded by inoculation with RG6, AU4 and RG5, respectively. These nine potential endophytic isolates are identified to Gluconobacter cerinus (4), Acinetobacter soli (3), Achromobacter xylosoxidans (1) and Bacillus thuringiensis (1). Conclusion AU4, RG6 and RG5 can be potential bio-inoculants candidates as low cost agricultural inputs in acidic and/or alkaline soils for sustainable crop production.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Evaluation of inorganic phosphate solubilizing efficiency and multiple plant growth promoting properties of endophytic bacteria isolated from root nodules Erythrina brucei

et al. 2022

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“…Despite their economic and ecological importance, relatively few studies (El-Batanony et al, 2020;Knežević et al, 2021;Das and Barik, 2022) have investigated the natural population of PGPR associated with the roots of L. corniculatus particularly in the Al-Ahsa region, which presents harsh conditions, such as drought, salinity, and elevated temperature. PGPR associated with the roots of L. corniculatus could reveal bacterial species that are previously unreported.…”

Section: Plant Growth-promoting Activitiesmentioning

confidence: 99%

Isolation and characterization of Klebsiella oxytoca from the rhizosphere of Lotus corniculatus and its biostimulating features

Khalifa

Aldayel

2022

Braz. J. Biol.

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Significant food resource shortages are occurring worldwide. Plant growth-promoting rhizobacteria (PGPR) represent an ecofriendly and efficient approach for increasing soil fertility and plant productivity. The current study explored biostimulating traits of PGPR from the rhizosphere of Lotus corniculatus growing in the Al-Ahsa region. A bacterial isolate (LCK121) was obtained, characterized for phenotypic, and identified by 16S rRNA gene sequencing. In addition, its growth-stimulating effects on barley were investigated. The strain identity was confirmed via comparative analysis of the 16S rDNA sequences with Klebsiella oxytoca (99.3% similarity level). LCK121 exhibited multiple plant growth-promoting features, including indole-3-acetic acid (IAA) production (16.34 µg mL-1), 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity (1.35±0.02 µmol α-ketobutyrate mg−1 h−1), phosphate solubilization, and nitrogen fixation. Furthermore, in vitro inoculation of barley with LCK121 significantly increased the root and shoot dry weights. The results highlight the potential of LCK121 for developing green fertilizers for sustainable agriculture.

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“…L2Cr and LG from the Collection of the Institute of Soil Science were used for the inoculation or co-inoculation of soybean (variety Biser, maturity group 0). Pseudomonas strains were previously characterized and identified by Stajković et al (2009) and Knežević et al (2021). Pseudomonas strains were cultivated for 24 h in King B medium while Bradyrhizobium strains were grown in yeast mannitol broth (YMB) for 5 days.…”

Section: Soil and Experiments Designmentioning

confidence: 99%

Effect of inoculation with Bradyrhizobium and phosphate solubilizing bacteria on soybean seed yield and composition

Stajković-Srbinović¹,

Kuzmanović²,

Rasulić³

et al. 2021

Zemljište i biljka

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In the field experiment, the effect of co-inoculation with Bradyrhizobium japonicum and two Pseudomonas sp. strains on seed yield and macronutrient uptake in soybean (Glycine max L.) was evaluated. The results showed that inoculation and co-inoculation of soybean seeds with B. japonicum and Pseudomonas sp. strains increased seed yield (from 65 up to 134%), and uptake of N, P, K, Mg, and Ca (kg ha-1 ) (from 65 to 167%), compared to the control plants (uninoculated, non-fertilized plants). Phosphorous concentration (mg kg-1 ) was increased in inoculated and co-inoculated treatments (up to 15%), compared to the control. The N%, as well as the concentrations of K and Ca, did not differ significantly among treatments and control. Magnesium concentrations were increased in mineral fertilized and co-inoculated treatments. Uptake of all nutrients was in significant correlation with seed yield, while the concentration of P only correlated with seed yield. The results showed that coinoculation with bradyrhizobial and some phosphate solubilizing bacteria can increase the seed yield and uptake of N and P in soybean.

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Potential of root nodule nonrhizobial endophytic bacteria for growth promotion of Lotus corniculatus L. and Dactylis glomerata L.

Cited by 18 publications

References 51 publications

Evaluation of inorganic phosphate solubilizing efficiency and multiple plant growth promoting properties of endophytic bacteria isolated from root nodules Erythrina brucei

Evaluation of inorganic phosphate solubilizing efficiency and multiple plant growth promoting properties of endophytic bacteria isolated from root nodules Erythrina brucei

Isolation and characterization of Klebsiella oxytoca from the rhizosphere of Lotus corniculatus and its biostimulating features

Effect of inoculation with Bradyrhizobium and phosphate solubilizing bacteria on soybean seed yield and composition

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