Abstract
There has been an increased interest in investigating how plants interact with microbes by inoculation of bacteria that promote plant growth. In this study, the effect of co-inoculation of tomato seedlings with B. velezensis NKG-2 and induction of plant defense response against F. oxysporum f. sp. lycopersici was assessed in greenhouse assay. This antagonistic strain protected tomato plants from the detrimental effect of Fusarium oxysporum f. sp. lycopersici, reducing the Fusarium wilt incidence. The plant fitness parameters (total chlorophyll and shoot nitrogen contents) from the plants inoculated with NKG-2 and fungal-pathogen-challenged plants were significantly higher than those in un-inoculated challenged plants. NKG-2-inoculated plants improved its root surface colonisation by forming biofilm-like structures and protected the plants against infectious pathogens. The results showed in this work will help to expand our understanding of the mode of action of NKG-2 as a biological control agent and consequently, its application in agriculture.
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Claims 4
Claim · model-written summary
Bacillus velezensis NKG-2 reduced Fusarium wilt incidence in tomato.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- Bacillus velezensis NKG-2t0
- Interactor
- Fusarium oxysporum f. sp. lycopersici
Fusarium oxysporum f. sp. lycopersicie0pathogen - Second interactor
- Bacillus velezensis NKG-2
Bacillus velezensist0biocontrol_agent - Outcome
- Fusarium wilt incidencee0
- Direction
- reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This antagonistic strain protected tomato plants from the detrimental effect of Fusarium oxysporum f. sp. lycopersici, reducing the Fusarium wilt incidence.”
t0“Bacillus velezensis NKG-2”
Claim · model-written summary
NKG-2 inoculation significantly increased total chlorophyll in pathogen-challenged tomato.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- inoculated with NKG-2e0
- Interactor
- Bacillus velezensis NKG-2Bacillus velezensist0biocontrol_agent
- Outcome
- total chlorophylle0
- Direction
- highere0
- Comparator
- un-inoculated challenged plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The plant fitness parameters (total chlorophyll and shoot nitrogen contents) from the plants inoculated with NKG-2 and fungal-pathogen-challenged plants were significantly higher than those in un-inoculated challenged plants.”
t0“tomato plants inoculated with Bacillus velezensis NKG-2”
Claim · model-written summary
NKG-2 inoculation significantly increased shoot nitrogen in pathogen-challenged tomato.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- inoculated with NKG-2e0
- Interactor
- Bacillus velezensis NKG-2Bacillus velezensist0biocontrol_agent
- Outcome
- shoot nitrogen contentse0
- Direction
- highere0
- Comparator
- un-inoculated challenged plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The plant fitness parameters (total chlorophyll and shoot nitrogen contents) from the plants inoculated with NKG-2 and fungal-pathogen-challenged plants were significantly higher than those in un-inoculated challenged plants.”
t0“tomato plants inoculated with Bacillus velezensis NKG-2”
Claim · model-written summary
NKG-2 inoculated plants showed improved root surface colonisation with biofilm-like structures.
- Taxon
- tomatoSolanum lycopersicumt0
- Interactor
- Bacillus velezensis NKG-2Bacillus velezensist0biocontrol_agent
- Outcome
- root surface colonisatione0
- Direction
- improvede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NKG-2-inoculated plants improved its root surface colonisation by forming biofilm-like structures”
t0“tomato plants inoculated with Bacillus velezensis NKG-2”
The same questions in other papers
Bacillus velezensis · Fusarium oxysporum f. sp. lycopersici · Solanum lycopersicum (tomato)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
inoculation · Bacillus velezensis · Solanum lycopersicum (tomato)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- 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.