Abstract
In this study,the effects of bio-organic fertilizer with antagonistic bacteria against tobacco bacterial wilt on soil microbial communities and disease resistance of tobacco were investigated by field experiment. The results showed that the incidence of tobacco bacterial wilt in bio-organic fertilizer treatments( T3 and T4)decreased remarkably among four treatments in the field. Compared with the local conventional fertilization group,the incidence of tobacco bacterial wilt was reduced by 21. 9% and 25. 0% in T3 and T4,respectively; the yield of flue-cured tobacco was improved by 5. 7% and 5. 3%,respectively; the proportion of midhigh grade tobacco leaves increased by 2. 3% and 2. 6%,respectively. After application of bio-organic fertilizer with antagonistic bacteria against tobacco bacterial wilt,rhizosphere soil microbial communities exhibited vast amount and abundant species; the amount of rhizosphere soil bacteria of infected tobacco plants was improved by 218. 5% with fewer species. It could be concluded that the application of bio-organic fertilizer with antagonistic bacteria against tobacco bacterial wilt could improve the ecological environment of tobacco field,inhibit the growth of pathogenic bacteria,decrease the incidence of tobacco bacterial wilt,and enhance the quality of flue-cured tobacco. This study laid the foundation for further ecological prevention and control of soil-borne diseases of tobacco.
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Claims 8
Claim · model-written summary
T3 reduced tobacco bacterial wilt incidence by 21. 9% versus conventional fertilizer.
- Taxon
- tobacco
Nicotiana tabacume0 - Treatment
- T3e0
- Outcome
- incidence of tobacco bacterial wilte0
- Direction
- reducede0
- Value
- 21. 9%e0
- Comparator
- local conventional fertilization groupe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the local conventional fertilization group,the incidence of tobacco bacterial wilt was reduced by 21. 9% and 25. 0% in T3 and T4,respectively”
Claim · model-written summary
T4 reduced tobacco bacterial wilt incidence by 25. 0% versus conventional fertilizer.
- Taxon
- tobaccoNicotiana tabacume0
- Treatment
- T4e0
- Outcome
- incidence of tobacco bacterial wilte0
- Direction
- reducede0
- Value
- 25. 0%e0
- Comparator
- local conventional fertilization groupe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the local conventional fertilization group,the incidence of tobacco bacterial wilt was reduced by 21. 9% and 25. 0% in T3 and T4,respectively”
Claim · model-written summary
T3 improved flue-cured tobacco yield by 5. 7%.
- Taxon
- tobaccoNicotiana tabacume0
- Treatment
- T3e1
- Outcome
- yield of flue-cured tobaccoe0
- Direction
- improvede0
- Value
- 5. 7%e0
- Comparator
- local conventional fertilization groupe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield of flue-cured tobacco was improved by 5. 7% and 5. 3%,respectively”
e1“Compared with the local conventional fertilization group,the incidence of tobacco bacterial wilt was reduced by 21. 9% and 25. 0% in T3 and T4,respectively”
Claim · model-written summary
T4 improved flue-cured tobacco yield by 5. 3%.
- Taxon
- tobaccoNicotiana tabacume0
- Treatment
- T4e1
- Outcome
- yield of flue-cured tobaccoe0
- Direction
- improvede0
- Value
- 5. 3%e0
- Comparator
- local conventional fertilization groupe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield of flue-cured tobacco was improved by 5. 7% and 5. 3%,respectively”
e1“Compared with the local conventional fertilization group,the incidence of tobacco bacterial wilt was reduced by 21. 9% and 25. 0% in T3 and T4,respectively”
Claim · model-written summary
T3 increased the proportion of midhigh-grade tobacco leaves by 2. 3%.
- Taxon
- tobaccoNicotiana tabacume1
- Treatment
- T3e1
- Outcome
- proportion of midhigh grade tobacco leavese0
- Direction
- increasede0
- Value
- 2. 3%e0
- Comparator
- local conventional fertilization groupe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the proportion of midhigh grade tobacco leaves increased by 2. 3% and 2. 6%,respectively”
e1“Compared with the local conventional fertilization group,the incidence of tobacco bacterial wilt was reduced by 21. 9% and 25. 0% in T3 and T4,respectively”
Claim · model-written summary
T4 increased the proportion of midhigh-grade tobacco leaves by 2. 6%.
- Taxon
- tobaccoNicotiana tabacume1
- Treatment
- T4e1
- Outcome
- proportion of midhigh grade tobacco leavese0
- Direction
- increasede0
- Value
- 2. 6%e0
- Comparator
- local conventional fertilization groupe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the proportion of midhigh grade tobacco leaves increased by 2. 3% and 2. 6%,respectively”
e1“Compared with the local conventional fertilization group,the incidence of tobacco bacterial wilt was reduced by 21. 9% and 25. 0% in T3 and T4,respectively”
Claim · model-written summary
Antagonistic bio-organic fertilizer increased rhizosphere community abundance and species richness.
- Taxon
- tobaccoNicotiana tabacume0
- Treatment
- application of bio-organic fertilizer with antagonistic bacteriae0
- Outcome
- rhizosphere soil microbial communitiese0
- Direction
- vast amount and abundant speciese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After application of bio-organic fertilizer with antagonistic bacteria against tobacco bacterial wilt,rhizosphere soil microbial communities exhibited vast amount and abundant species”
Claim · model-written summary
Rhizosphere bacteria in infected tobacco plants increased by 218. 5%, with fewer species.
- Taxon
- tobaccoNicotiana tabacume0
- Outcome
- amount of rhizosphere soil bacteriae0
- Direction
- improvede0
- Value
- 218. 5%e0
- Qualifier
- with fewer speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the amount of rhizosphere soil bacteria of infected tobacco plants was improved by 218. 5% with fewer species.”
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See all 20 papers →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.