Abstract
A field plot experiment was conducted to test the effects of application Bacillus subtilis BLG01 and BDF11screened from antagonistic Bacillus strains and liquid organic fertilizer(LOF) on the growth of banana plant, disease severity index(DSI) of fusarium wilt, survival ability of FOC and cultivable bacteria population in rhizosphere of banana. Indoor testing showed that BLG01 and BDF11 restrained the mycelial growth of FOC by 70.4% and 77.2% on PDA plate. The results of field experiment showed that, after 100 days of transplanting, all treatments could increase the growth of banana and control efficiencies compared to control treatment. B. subtilis BLG01, BDF11 and LOF together had the biggest control efficiency on banana fusarium wilt. In the optimum treatment, the plant height, stem thickness, fresh weight of aerial and underground part of banana significantly increased, combined DSI decreased by 45.39%-65.87%, the number of FOC decreased significantly by 40.5%-50.1%%, while the number of bacteria in rhizosphere increased significantly by 25.8%-32.8%. The number of FOC was significantly negatively correlated to cultured bacteria in rhizosphere, while was significantly positively correlated to DSI. The results indicate that applying B. subtilis BLG01 and BDF11 with LOF can effectively promote the growth of banana, decrease the number of FOC and improve cultivable bacteria population at rhizosphere of banana, and increase the control effect on banana fusarium wilt, and it shows wide application prospect.
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Claims 11
Claim · model-written summary
BLG01 inhibited FOC mycelial growth by 70.4% on PDA.
- Treatment
- BLG01e0
- Interactor
- FOCe0pathogen
- Outcome
- mycelial growth of FOCe0
- Direction
- restrainede0
- Value
- 70.4%e0
Not reportedTaxonComparator
Verbatim
e0“BLG01 and BDF11 restrained the mycelial growth of FOC by 70.4% and 77.2% on PDA plate”
Claim · model-written summary
BDF11 inhibited FOC mycelial growth by 77.2% on PDA.
- Treatment
- BDF11e0
- Interactor
- FOCe0pathogen
- Outcome
- mycelial growth of FOCe0
- Direction
- restrainede0
- Value
- 77.2%e0
Not reportedTaxonComparator
Verbatim
e0“BLG01 and BDF11 restrained the mycelial growth of FOC by 70.4% and 77.2% on PDA plate”
Claim · model-written summary
All field treatments increased banana growth relative to control after 100 days.
Verbatim
e0“after 100 days of transplanting, all treatments could increase the growth of banana and control efficiencies compared to control treatment”
Claim · model-written summary
All field treatments increased banana wilt control efficiency relative to control after 100 days.
Verbatim
e0“after 100 days of transplanting, all treatments could increase the growth of banana and control efficiencies compared to control treatment”
Claim · model-written summary
Combined BLG01, BDF11, and LOF had the greatest banana fusarium wilt control efficiency.
- Taxon
- bananae0
- Treatment
- B. subtilis BLG01, BDF11 and LOF togethere0
- Outcome
- control efficiency on banana fusarium wilte0
- Direction
- biggeste0
Not reportedComparator
Verbatim
e0“B. subtilis BLG01, BDF11 and LOF together had the biggest control efficiency on banana fusarium wilt”
Claim · model-written summary
The optimum treatment significantly increased banana height, stem thickness, and above- and belowground fresh weight.
- Taxon
- bananae0
- Treatment
- optimum treatmente0
- Outcome
- plant height, stem thickness, fresh weight of aerial and underground parte0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“In the optimum treatment, the plant height, stem thickness, fresh weight of aerial and underground part of banana significantly increased”
Claim · model-written summary
The optimum treatment decreased banana disease severity index by 45.39%-65.87%.
Not reportedComparator
Verbatim
e0“In the optimum treatment, the plant height, stem thickness, fresh weight of aerial and underground part of banana significantly increased, combined DSI decreased by 45.39%-65.87%”
Claim · model-written summary
The optimum treatment significantly decreased FOC abundance by 40.5%-50.1%%.
Not reportedTaxonTreatmentComparator
Verbatim
e0“the number of FOC decreased significantly by 40.5%-50.1%%”
Claim · model-written summary
The optimum treatment significantly increased rhizosphere cultivable bacteria by 25.8%-32.8%.
Not reportedTaxonTreatmentComparator
Verbatim
e0“the number of bacteria in rhizosphere increased significantly by 25.8%-32.8%”
Claim · model-written summary
FOC abundance was significantly negatively correlated with cultivable rhizosphere bacteria.
- Interactor
- FOCe0pathogen
- Outcome
- number of FOCe0
- Direction
- negatively correlatede0
- Qualifier
- cultured bacteria in rhizospheree0
Not reportedTaxon
Verbatim
e0“The number of FOC was significantly negatively correlated to cultured bacteria in rhizosphere”
Claim · model-written summary
FOC abundance was significantly positively correlated with banana disease severity index.
Not reportedTaxon
Verbatim
e0“The number of FOC was significantly negatively correlated to cultured bacteria in rhizosphere, while was significantly positively correlated to DSI”
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