Abstract
Castor (Ricinus communis L.) is a primary food plant of eri silkworm, Samia ricini Donovan endemic to Northeast India.Plant growth promoting rhizobacteria (PGPR) plays crucial role in growth and productivity of agricultural crops.Eighty-five Pseudomonas strains were isolated from thirty rhizosphere soil samples of castor and their in vitro potentiality was screened for growth promoting ability and antifungal potentialities.Most of the selected Pseudomonas sp.produced indole acetic acid, gibberellic acid, ACC deaminase activity, ammonia, hydrogen cyanide and siderophore, when tested in-vitro for PGP activity.Besides, the strains MAJ PIA01, MAJ PIA03 and MAJ PIA24 have got antifungal activity against five common plant pathogens.Upon their formulation and application in field by curtailing the recommended dose of inorganic fertilizers to 50 %, isolate no.MAJ PIA03 efficiently enhanced the agronomical traits such as number of leaves per plant, leaf biomass, root length, stem base diameter, shoot length, root biomass and leaf moisture content.Isolate no.MAJ PIA03 has significant impact on leaf biochemical constituents and augments the nutritional quality of castor leaf.The most efficient isolate MAJ PIA03 was identified as Pseudomonas aeruginosa MAJ PIA03 by polyphasic approach and its 16S rRNA gene homology.The bio-formulation of Pseudomonas aeruginosa MAJ PIA03 with 50 % diminution on recommended inorganic NPK dose could be used as an effective mechanism to improve Ricinus communis plant growth as well as leaf nutritional enhancement for sustainable eri sericulture.
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Claims 9
Claim · model-written summary
Most selected Pseudomonas sp. isolates from castor rhizosphere produced indole acetic acid, gibberellic acid, ACC deaminase activity, ammonia, hydrogen cyanide and siderophore in vitro.
- Taxon
- Ricinus communis
Ricinus communise1 - Interactor
- Pseudomonas sp.
Pseudomonase2symbiont - Outcome
- indole acetic acid, gibberellic acid, ACC deaminase activity, ammonia, hydrogen cyanide and siderophoree2
- Setting
- in-vitroe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Castor (Ricinus communis L.) is a primary food plant of eri silkworm, Samia ricini Donovan endemic to Northeast India”
e2“Most of the selected Pseudomonas sp.produced indole acetic acid, gibberellic acid, ACC deaminase activity, ammonia, hydrogen cyanide and siderophore, when tested in-vitro for PGP activity”
Claim · model-written summary
Pseudomonas strains MAJ PIA01, MAJ PIA03 and MAJ PIA24 have antifungal activity against five common plant pathogens.
- Taxon
- Ricinus communisRicinus communise1
- Material
- MAJ PIA01, MAJ PIA03 and MAJ PIA24e3
- Interactor
- plant pathogense3pathogen
- Outcome
- antifungal activitye3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Castor (Ricinus communis L.) is a primary food plant of eri silkworm, Samia ricini Donovan endemic to Northeast India”
e3“the strains MAJ PIA01, MAJ PIA03 and MAJ PIA24 have got antifungal activity against five common plant pathogens”
Claim · model-written summary
Isolate MAJ PIA03 applied with 50 % of the recommended inorganic fertilizer enhanced number of leaves per plant, leaf biomass and root length in castor.
- Taxon
- Ricinus communisRicinus communise1
- Material
- isolate no.MAJ PIA03e4
- Treatment
- curtailing the recommended dose of inorganic fertilizers to 50 %e4
- Outcome
- number of leaves per plant, leaf biomass, root lengthe4
- Direction
- enhancede4
- Comparator
- recommended dose of inorganic fertilizerse4
- Setting
- in fielde4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Castor (Ricinus communis L.) is a primary food plant of eri silkworm, Samia ricini Donovan endemic to Northeast India”
e4“Upon their formulation and application in field by curtailing the recommended dose of inorganic fertilizers to 50 %, isolate no.MAJ PIA03 efficiently enhanced the agronomical traits such as number of leaves per plant, leaf biomass, root length, stem base diameter, shoot length, root biomass and leaf moisture content”
Claim · model-written summary
Isolate MAJ PIA03 at 50 % fertilizer enhanced stem base diameter, shoot length and root biomass of castor.
- Taxon
- Ricinus communisRicinus communise1
- Material
- isolate no.MAJ PIA03e4
- Treatment
- curtailing the recommended dose of inorganic fertilizers to 50 %e4
- Outcome
- stem base diameter, shoot length, root biomasse4
- Direction
- enhancede4
- Comparator
- recommended dose of inorganic fertilizerse4
- Setting
- in fielde4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Castor (Ricinus communis L.) is a primary food plant of eri silkworm, Samia ricini Donovan endemic to Northeast India”
e4“Upon their formulation and application in field by curtailing the recommended dose of inorganic fertilizers to 50 %, isolate no.MAJ PIA03 efficiently enhanced the agronomical traits such as number of leaves per plant, leaf biomass, root length, stem base diameter, shoot length, root biomass and leaf moisture content”
Claim · model-written summary
Isolate MAJ PIA03 at 50 % fertilizer enhanced leaf moisture content of castor.
- Taxon
- Ricinus communisRicinus communise1
- Material
- isolate no.MAJ PIA03e4
- Treatment
- curtailing the recommended dose of inorganic fertilizers to 50 %e4
- Outcome
- leaf moisture contente4
- Direction
- enhancede4
- Comparator
- recommended dose of inorganic fertilizerse4
- Setting
- in fielde4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Castor (Ricinus communis L.) is a primary food plant of eri silkworm, Samia ricini Donovan endemic to Northeast India”
e4“Upon their formulation and application in field by curtailing the recommended dose of inorganic fertilizers to 50 %, isolate no.MAJ PIA03 efficiently enhanced the agronomical traits such as number of leaves per plant, leaf biomass, root length, stem base diameter, shoot length, root biomass and leaf moisture content”
Claim · model-written summary
Isolate MAJ PIA03 has a significant impact on castor leaf biochemical constituents.
- Taxon
- Ricinus communisRicinus communise1
- Treatment
- Isolate no.MAJ PIA03e5
- Outcome
- leaf biochemical constituentse5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Castor (Ricinus communis L.) is a primary food plant of eri silkworm, Samia ricini Donovan endemic to Northeast India”
e5“Isolate no.MAJ PIA03 has significant impact on leaf biochemical constituents and augments the nutritional quality of castor leaf”
Claim · model-written summary
Isolate MAJ PIA03 augments the nutritional quality of castor leaf.
- Taxon
- Ricinus communisRicinus communise1
- Treatment
- Isolate no.MAJ PIA03e5
- Outcome
- nutritional quality of castor leafe5
- Direction
- augmentse5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Castor (Ricinus communis L.) is a primary food plant of eri silkworm, Samia ricini Donovan endemic to Northeast India”
e5“Isolate no.MAJ PIA03 has significant impact on leaf biochemical constituents and augments the nutritional quality of castor leaf”
Claim · model-written summary
Isolate MAJ PIA03 was identified as Pseudomonas aeruginosa by polyphasic approach and 16S rRNA gene homology.
- Taxon
- Ricinus communisRicinus communise1
- Material
- isolate MAJ PIA03e6
- Interactor
- Pseudomonas aeruginosa MAJ PIA03Pseudomonas aeruginosae6symbiont
- Outcome
- identified as Pseudomonas aeruginosa MAJ PIA03e6
- Qualifier
- by polyphasic approach and its 16S rRNA gene homologye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Castor (Ricinus communis L.) is a primary food plant of eri silkworm, Samia ricini Donovan endemic to Northeast India”
e6“The most efficient isolate MAJ PIA03 was identified as Pseudomonas aeruginosa MAJ PIA03 by polyphasic approach and its 16S rRNA gene homology”
Claim · model-written summary
The authors recommend bio-formulated P. aeruginosa MAJ PIA03 with 50 % less recommended NPK as an effective way to improve castor plant growth.
- Taxon
- Ricinus communisRicinus communise7
- Treatment
- bio-formulation of Pseudomonas aeruginosa MAJ PIA03 with 50 % diminution on recommended inorganic NPK dosee7
- Outcome
- plant growthe7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“The bio-formulation of Pseudomonas aeruginosa MAJ PIA03 with 50 % diminution on recommended inorganic NPK dose could be used as an effective mechanism to improve Ricinus communis plant growth”
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See all 21 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.