Abstract
The application of plant growth-promoting rhizobacteria (PGPR) for inoculation of seeds, soils, and plants is becoming increasingly important due to the environmental impact of extensive use of chemical treatments in plant production. In this study, we investigated the effects of seed inoculation with Hartmannibacter diazotrophicus E19 on the bacterial, fungal and protist (Cercozoa) microbiome of winter wheat. The results showed that the inoculation of H. diazotrophicus E19 had no significant effect on the microbiome of roots, rhizosphere and in the bulk soil of winter wheat. Instead, the composition of the winter wheat microbiome appears to be more influenced by plant developmental stage and sampling material. Inoculation resulted only in minor effects, reflected by a limited number of ASVs showing positive or negative differential abundance compared to the controls like Chryseolinea , Symbiobacterium , Malbranchea , Hormiactis and Sandonidae. These findings confirm that the microbiome composition of winter wheat undergoes only minimal changes upon inoculation with H. diazotrophicus E19. • Field study on impact of H. diazotrophicus E19 seed inoculation. • H. diazotrophicus E19 inoculation had no significant impact on wheat microbiome. • Especially Cercozoa communities were also unaffected by the inoculation. • The microbiome is shaped by the sample type and sampling time. • Individual ASVs were still affected by inoculation.
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Claims 4
Claim · model-written summary
Seed inoculation with H. diazotrophicus E19 had no significant effect on the microbiome of roots, rhizosphere and bulk soil of winter wheat
- Taxon
- winter wheat
Triticum aestivume1 - Treatment
- inoculation of H. diazotrophicus E19e1
- Interactor
- H. diazotrophicus E19Hartmannibacter diazotrophicuse1symbiont
- Outcome
- microbiome of roots, rhizosphere and in the bulk soile1
- Direction
- no significant effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The results showed that the inoculation of H. diazotrophicus E19 had no significant effect on the microbiome of roots, rhizosphere and in the bulk soil of winter wheat”
Claim · model-written summary
Seed inoculation with H. diazotrophicus E19 gave only minor effects, with a limited number of ASVs differentially abundant compared with controls
- Taxon
- winter wheatTriticum aestivume1
- Treatment
- inoculation of H. diazotrophicus E19e1
- Interactor
- H. diazotrophicus E19Hartmannibacter diazotrophicuse1symbiont
- Outcome
- limited number of ASVs showing positive or negative differential abundancee2
- Direction
- positive or negativee2
- Comparator
- controlse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The results showed that the inoculation of H. diazotrophicus E19 had no significant effect on the microbiome of roots, rhizosphere and in the bulk soil of winter wheat”
e2“Inoculation resulted only in minor effects, reflected by a limited number of ASVs showing positive or negative differential abundance compared to the controls”
Claim · model-written summary
Winter wheat microbiome composition is more influenced by plant developmental stage and sampling material
- Taxon
- winter wheatTriticum aestivume3
- Organ / stage
- plant developmental stagee3
- Outcome
- composition of the winter wheat microbiomee3
- Direction
- more influencede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Instead, the composition of the winter wheat microbiome appears to be more influenced by plant developmental stage and sampling material”
Claim · model-written summary
Seed inoculation with H. diazotrophicus E19 did not affect Cercozoa communities of winter wheat
- Taxon
- winter wheatTriticum aestivume1
- Treatment
- inoculation of H. diazotrophicus E19e1
- Interactor
- H. diazotrophicus E19Hartmannibacter diazotrophicuse1symbiont
- Outcome
- Cercozoa communitiese4
- Direction
- unaffectede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The results showed that the inoculation of H. diazotrophicus E19 had no significant effect on the microbiome of roots, rhizosphere and in the bulk soil of winter wheat”
e4“Especially Cercozoa communities were also unaffected by the inoculation”
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