Abstract
The fungus Fusarium oxysporum Schlecht f. sp. radicis-lycopersici Jarvis and Shoemaker (FORL) causes crown and root rot in tomato (Lycopersicon esculentum Mill.), which is a serious problem for field and greenhouse production causing significant losses. The main objective of this study was to test the efficacy of two commercial bacteria strains Pseudomonas sp. ”Proradix” (DSMZ 13134) (Proradix®, Sourcon Padena, Tübingen-Germany) and Bacillus amyloliquefaciens FZB42 (RhizoVital® 42 TB, ABiTEP, Berlin, Germany) in improving mycorrhization, nutrient status and plant growth of tomato affected by FORL. Soil inoculation with P. sp. ”Proradix” and B. amyloliquefaciens FZB42 in single and combined application significantly improved root and shoot biomass production of tomato, and P, Mn and Zn shoot concentrations in pathogen-infested soil. After application of the bacteria strains, roots of tomato were healthier and showed a significantly higher colonization by arbuscular mycorrhizal fungi if the latter was inoculated too. Combined inoculationd with the bacteria strains and arbuscular mycorrhizal fungi increased the observed effects on dry matter and shoot nutrient concentrations. However, clear synergistic effects could not be detected. The results obtained suggest an important role of rhizosphere interactions for the expression of bio-control mechanisms by inoculation with effective Pseudomonas and Bacillus strains in addition to simple antagonistic effects.
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Claims 7
Claim · model-written summary
Pseudomonas sp. Proradix inoculation improved tomato root and shoot biomass in pathogen-infested soil.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- P. sp. ”Proradix”e0
- Interactor
- P. sp. ”Proradix”e0biocontrol_agent
- Outcome
- root and shoot biomass productione0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil inoculation with P. sp. ”Proradix” and B. amyloliquefaciens FZB42 in single and combined application significantly improved root and shoot biomass production of tomato, and P, Mn and Zn shoot concentrations in pathogen-infested soil.”
Claim · model-written summary
Bacillus amyloliquefaciens FZB42 inoculation improved tomato root and shoot biomass.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- B. amyloliquefaciens FZB42e0
- Interactor
- B. amyloliquefaciens FZB42
.jpg?width=60)
Bacillus amyloliquefaciense0biocontrol_agent - Outcome
- root and shoot biomass productione0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Soil inoculation with P. sp. ”Proradix” and B. amyloliquefaciens FZB42 in single and combined application significantly improved root and shoot biomass production of tomato, and P, Mn and Zn shoot concentrations in pathogen-infested soil.”
Claim · model-written summary
Bacterial inoculation improved tomato shoot P, Mn and Zn concentrations in pathogen-infested soil.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- Soil inoculation with P. sp. ”Proradix” and B. amyloliquefaciens FZB42e0
- Outcome
- P, Mn and Zn shoot concentrationse0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil inoculation with P. sp. ”Proradix” and B. amyloliquefaciens FZB42 in single and combined application significantly improved root and shoot biomass production of tomato, and P, Mn and Zn shoot concentrations in pathogen-infested soil.”
Claim · model-written summary
After bacterial application, tomato roots were healthier.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- application of the bacteria strainse0
- Outcome
- roots of tomato were healthiere0
- Direction
- healthiere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After application of the bacteria strains, roots of tomato were healthier and showed a significantly higher colonization by arbuscular mycorrhizal fungi if the latter was inoculated too.”
Claim · model-written summary
Bacterial application increased colonization by arbuscular mycorrhizal fungi when the fungi were inoculated.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- application of the bacteria strainse0
- Interactor
- arbuscular mycorrhizal fungie0symbiont
- Outcome
- colonization by arbuscular mycorrhizal fungie0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After application of the bacteria strains, roots of tomato were healthier and showed a significantly higher colonization by arbuscular mycorrhizal fungi if the latter was inoculated too.”
Claim · model-written summary
Combined bacterial and fungal inoculation increased dry matter and shoot nutrient concentrations.
- Treatment
- Combined inoculationd with the bacteria strains and arbuscular mycorrhizal fungie0
- Interactor
- arbuscular mycorrhizal fungie0symbiont
- Outcome
- dry matter and shoot nutrient concentrationse0
- Direction
- increasede0
Not reportedTaxonComparator
Verbatim
e0“Combined inoculationd with the bacteria strains and arbuscular mycorrhizal fungi increased the observed effects on dry matter and shoot nutrient concentrations.”
Claim · model-written summary
Clear synergistic effects of the combined inoculation were not detected.
- Outcome
- clear synergistic effects could not be detectede0
Not reportedTaxonDirection
Verbatim
e0“However, clear synergistic effects could not be detected.”
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