Abstract
Abstract Biochar amendment is acknowledged to favor plant resistance against soil‐borne diseases. Although plant‐beneficial bacteria enrichment in the rhizosphere is often proposed to be associated with this protection, the mechanism behind this stimulating effect remains unelucidated. Here, we tested whether biochar promotes plants to recruit beneficial bacteria to the rhizosphere, and thus develop a disease‐suppressive rhizosphere microbiome. In a pot experiment, biochar amendment decreased tomato Fusarium wilt disease severity. Using a transplanting rhizosphere microbiome experiment, we showed that biochar enhanced the suppressiveness of tomato rhizosphere microbiome against Fusarium wilt disease. High‐throughput sequencing of 16S ribosomal RNA gene and in vitro cultures further indicated that the recruited suppressive rhizosphere microbiome was associated with the increase of plant‐beneficial bacteria, such as Pseudomonas sp. This amendment also enhanced the in vitro chemoattraction and biofilm promotion activity of tomato root exudates. Collectively, our results demonstrate that biochar amendment induces tomato seedlings to efficiently recruit a disease‐suppressive rhizosphere microbiome against Fusarium wilt.
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Claims 4
Claim · model-written summary
Biochar decreased tomato Fusarium wilt severity in pots.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- biochar amendmente0
- Outcome
- Fusarium wilt disease severitye0
- Direction
- decreasede0
- Setting
- pot experimente0
FusariumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In a pot experiment, biochar amendment decreased tomato Fusarium wilt disease severity”
Claim · model-written summary
Biochar enhanced suppressiveness of tomato rhizosphere microbiome against Fusarium wilt.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- biochare0
- Outcome
- suppressiveness of tomato rhizosphere microbiome against Fusarium wilt diseasee0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“biochar enhanced the suppressiveness of tomato rhizosphere microbiome against Fusarium wilt disease”
Claim · model-written summary
The suppressive rhizosphere microbiome was associated with increased beneficial bacteria including Pseudomonas sp.
- Taxon
- tomatoSolanum lycopersicumt0
- Interactor
- Pseudomonas sp.
Pseudomonase0symbiont - Outcome
- increase of plant‐beneficial bacteriae0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“recruited suppressive rhizosphere microbiome was associated with the increase of plant‐beneficial bacteria, such as Pseudomonas sp.”
t0“tomato”
Claim · model-written summary
Biochar enhanced chemoattraction and biofilm promotion activity of tomato root exudates in vitro.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- Biochart0
- Outcome
- in vitro chemoattraction and biofilm promotion activity of tomato root exudatese0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This amendment also enhanced the in vitro chemoattraction and biofilm promotion activity of tomato root exudates”
t0“Biochar”
The same questions in other papers
biochar · organism · Solanum lycopersicum (tomato)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
1 paper more in this group
See all 5 papers →other · Fusarium · Solanum lycopersicum (tomato)Results agree
1 paper in the same direction as this paper
- positive
biochar · Fusarium · Solanum lycopersicum (tomato)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.