Abstract
Plant Growth Promoting Rhizobacteria (PGPR) are beneficial bacteria that colonize plant roots and enhance plant growth by wide variety of mechanism. Initially twelve isolates of bacteria designated as DD1to DD12, isolated from the rhizospheric soil of Dhaincha (Sesbania bispinosa) were screened on the basis of their efficiency in PGPR characteristics and finally three most efficient PGPR strains, i.e. - DD3, DD4 and DD6, were selected and further identified as Escherichia coli DACG2 (GenBank Accession number JN858966) Pseudomonas fluorescens strain DACG3 (GenBank Accession No. KP641168) Burkholderia sp. DACG1 (GenBank Accession No. JN639877) using 16 S rRNA sequencing technology. Subsequently, to investigate the effect of PGPR isolates on the growth of Cicer arietinum L., a pot culture experiment and a field experiment were conducted using a randomized complete block design with 3 replications and 9 treatments. The treatments consisted of uninoculated control and all cases of single, dual and triple inoculants of these 3 bacteria. The maximum rates of plant height, number of leaves/plant, pod bearing branches, pods/plant, nodules/plant and 100 seed weight were recorded by applying the combined inoculation of Escherichia coli DACG2+ Pseudomonas fluorescens DACG3+ Burkholderia sp DACG1 as compared with other inoculation treatments and uninoculated control. Therefore, present study suggests that PGPR isolates viz. Escherichia coli, Pseudomonas fluorescens, and Burkholderia sp. may be used as biofertilizers to enhance the growth and productivity of chickpea.
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Claims 3
Claim · model-written summary
Combined inoculation gave the maximum plant height, leaf number, and pod-bearing branches versus other inoculations and uninoculated controls.
- Taxon
- Chickpea
Cicer arietinumt0 - Treatment
- combined inoculation of Escherichia coli DACG2+ Pseudomonas fluorescens DACG3+ Burkholderia sp DACG1e0
- Interactor
- Escherichia coli DACG2
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Escherichia colie0symbiont - Second interactor
- Pseudomonas fluorescens DACG3
.JPG?width=60)
Pseudomonas fluorescense0symbiont - Outcome
- plant height, number of leaves/plant, pod bearing branchese0
- Direction
- maximume0
- Qualifier
- Burkholderia sp DACG1e0
- Comparator
- other inoculation treatments and uninoculated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
.JPG?width=500)
Verbatim
e0“The maximum rates of plant height, number of leaves/plant, pod bearing branches, pods/plant, nodules/plant and 100 seed weight were recorded by applying the combined inoculation of Escherichia coli DACG2+ Pseudomonas fluorescens DACG3+ Burkholderia sp DACG1 as compared with other inoculation treatments and uninoculated control.”
t0“Chickpea”
Claim · model-written summary
Combined inoculation gave maximum pods, nodules, and 100-seed weight versus the other treatments and control.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- combined inoculation of Escherichia coli DACG2+ Pseudomonas fluorescens DACG3+ Burkholderia sp DACG1e0
- Interactor
- Escherichia coli DACG2Escherichia colie0symbiont
- Second interactor
- Pseudomonas fluorescens DACG3Pseudomonas fluorescense0symbiont
- Outcome
- pods/plant, nodules/plant and 100 seed weighte0
- Direction
- maximume0
- Qualifier
- Burkholderia sp DACG1e0
- Comparator
- other inoculation treatments and uninoculated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The maximum rates of plant height, number of leaves/plant, pod bearing branches, pods/plant, nodules/plant and 100 seed weight were recorded by applying the combined inoculation of Escherichia coli DACG2+ Pseudomonas fluorescens DACG3+ Burkholderia sp DACG1 as compared with other inoculation treatments and uninoculated control.”
t0“Chickpea”
Claim · model-written summary
The authors suggest using the PGPR isolates as biofertilizers to enhance chickpea growth and productivity.
- Taxon
- chickpeaCicer arietinume0
- Interactor
- Escherichia coliEscherichia colie0symbiont
- Second interactor
- Pseudomonas fluorescensPseudomonas fluorescense0symbiont
- Outcome
- biofertilizers to enhance the growth and productivitye0
- Qualifier
- Burkholderia sp.e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PGPR isolates viz. Escherichia coli, Pseudomonas fluorescens, and Burkholderia sp. may be used as biofertilizers to enhance the growth and productivity of chickpea.”
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