Abstract
Aim of the present study was to develop effective indigenous plant growth promoting (PGP) rhizobacteria consortia for enhanced plant growth attributes and nutrient acquisition by wheat crop under greenhouse and field conditions. Six efficient isolates, screened out of 120 isolates from rhizosphere soil based on their biochemical characterization and PGP attributes like indole-3-acetic acid (IAA), hydrogen cyanide (HCN), siderophore production, P-solubilization and N-fixation possessed most of the characters. Out of six isolates, three efficient isolates selected on the basis of effective PGP activities and molecularly characterized of 16S rDNA gene. Three isolated efficient PGPR strains along with a collected strain Pseudomonas aeruginosa were selected for preparing different bioformulation for enhancing plant growth and yield of wheat under greenhouse and field conditions. Tetra combination comprising Bacillus megaterium + Arthrobacter chlorophenolicus + Enterobacter sp. + P. aeruginosa showed significant increase in plant height (24.56% and 47.06%), grain yield (75.80% and 40.09%) and straw yield (76.55% and 42.63%) followed by two tri-inoculation B. megaterium + A. chlorophenolicus + P. aeruginosa and A. chlorophenolicus + Enterobacter spp. + P. aeruginosa as compared to the control under the greenhouse and field experiments, respectively. Similarly, tetra- and tri-inoculations resulted in significantly higher test weight and nutrients acquisition by wheat over the control. Therefore, tetra-inoculation of B. megaterium + A. chlorophenolicus + nterobacter spp. + P. aeruginosa strains can be used as an efficient PGPR consortium for enhanced wheat production.
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Claims 6
Claim · model-written summary
Tetra-inoculation with the four-strain PGPR consortium increased wheat plant height by 24.56% and 47.06% relative to control in greenhouse and field experiments.
- Taxon
- wheat
Triticum aestivumt1 - Treatment
- Tetra combination comprising Bacillus megaterium + Arthrobacter chlorophenolicus + Enterobacter sp. + P. aeruginosae1
- Interactor
- Bacillus megaterium + Arthrobacter chlorophenolicus + Enterobacter sp. + P. aeruginosa
Priestia megateriume1symbiont - Outcome
- plant heighte1
- Direction
- increasee1
- Value
- 24.56% and 47.06%e1
- Comparator
- controle2
- Setting
- greenhouse and field experimentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tetra combination comprising Bacillus megaterium + Arthrobacter chlorophenolicus + Enterobacter sp. + P. aeruginosa showed significant increase in plant height (24.56% and 47.06%)”
e2“as compared to the control under the greenhouse and field experiments, respectively”
t1“in wheat (Triticum aestivum)”
Claim · model-written summary
Tetra-inoculation increased wheat grain yield by 75.80% and 40.09% relative to control in greenhouse and field experiments.
- Taxon
- wheatTriticum aestivumt1
- Treatment
- Tetra combination comprising Bacillus megaterium + Arthrobacter chlorophenolicus + Enterobacter sp. + P. aeruginosae1
- Interactor
- Bacillus megaterium + Arthrobacter chlorophenolicus + Enterobacter sp. + P. aeruginosaPriestia megateriume1symbiont
- Outcome
- grain yielde3
- Direction
- increasee1
- Value
- 75.80% and 40.09%e3
- Comparator
- controle2
- Setting
- greenhouse and field experimentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tetra combination comprising Bacillus megaterium + Arthrobacter chlorophenolicus + Enterobacter sp. + P. aeruginosa showed significant increase in plant height (24.56% and 47.06%)”
e2“as compared to the control under the greenhouse and field experiments, respectively”
e3“grain yield (75.80% and 40.09%)”
t1“in wheat (Triticum aestivum)”
Claim · model-written summary
Tetra-inoculation increased wheat straw yield by 76.55% and 42.63% relative to control in greenhouse and field experiments.
- Taxon
- wheatTriticum aestivumt1
- Treatment
- Tetra combination comprising Bacillus megaterium + Arthrobacter chlorophenolicus + Enterobacter sp. + P. aeruginosae1
- Interactor
- Bacillus megaterium + Arthrobacter chlorophenolicus + Enterobacter sp. + P. aeruginosaPriestia megateriume1symbiont
- Outcome
- straw yielde4
- Direction
- increasee1
- Value
- 76.55% and 42.63%e4
- Comparator
- controle2
- Setting
- greenhouse and field experimentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Tetra combination comprising Bacillus megaterium + Arthrobacter chlorophenolicus + Enterobacter sp. + P. aeruginosa showed significant increase in plant height (24.56% and 47.06%)”
e2“as compared to the control under the greenhouse and field experiments, respectively”
e4“straw yield (76.55% and 42.63%)”
t1“in wheat (Triticum aestivum)”
Claim · model-written summary
Two tri-inoculations also increased wheat plant height relative to control, following the tetra-inoculation.
- Taxon
- wheatTriticum aestivumt1
- Treatment
- tri-inoculation B. megaterium + A. chlorophenolicus + P. aeruginosae5
- Interactor
- B. megaterium + A. chlorophenolicus + P. aeruginosaPriestia megateriume5symbiont
- Second interactor
- A. chlorophenolicus + Enterobacter spp. + P. aeruginosaPseudarthrobacter chlorophenolicuse5symbiont
- Outcome
- plant heighte1
- Direction
- increaseinferrede1
- Comparator
- controle2
- Setting
- greenhouse and field experimentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“followed by two tri-inoculation B. megaterium + A. chlorophenolicus + P. aeruginosa and A. chlorophenolicus + Enterobacter spp. + P. aeruginosa”
e2“as compared to the control under the greenhouse and field experiments, respectively”
e1“showed significant increase in plant height”
t1“in wheat (Triticum aestivum)”
Claim · model-written summary
Tetra- and tri-inoculations significantly increased wheat test weight and nutrient acquisition relative to control.
- Taxon
- wheatTriticum aestivumt1
- Treatment
- tetra- and tri-inoculationse6
- Outcome
- test weight and nutrients acquisitione6
- Direction
- highere6
- Comparator
- controle6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“tetra- and tri-inoculations resulted in significantly higher test weight and nutrients acquisition by wheat over the control”
t1“in wheat (Triticum aestivum)”
Claim · model-written summary
Tetra-inoculation of the four PGPR strains can be used as an efficient PGPR consortium for enhanced wheat production.
- Taxon
- wheatTriticum aestivumt1
- Interactor
- B. megaterium + A. chlorophenolicus + nterobacter spp. + P. aeruginosaPriestia megateriume7symbiont
- Outcome
- enhanced wheat productione7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“tetra-inoculation of B. megaterium + A. chlorophenolicus + nterobacter spp. + P. aeruginosa strains can be used as an efficient PGPR consortium for enhanced wheat production”
t1“in wheat (Triticum aestivum)”
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See all 8 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.