Abstract
The biological control of the watermelon seedling blight and fruit blotch disease was investigated by screening the potential use of antagonistic bacteria. Between May and August 2012, totally 322 putative antagonistic bacteria were isolated from symptomless melon and watermelon plants grown in Adana, Hatay, and Osmaniye provinces of the Eastern Mediterranean Region of Turkey. In vitro dual culture tests showed that 54 out of 322 strains inhibited the Acidovorax citrulli (Ac) growth with an appearance of clear zones between 2.3 and 27.0 mm in diameter. However, the remaining 268 strains did not exhibit any antagonistic activity against Ac. Seed treatments with fourteen individual antagonistic bacteria resulted in a significant reduction in disease incidence (DI) and severity (DS) ranging between 14.06-79.47% and between 4.57-41.49%, respectively. The bacteria Pseudomonas oryzihabitans (Antg-12), Microbacterium oxydans (Antg-57), Curtobacterium flaccumfaciens (Antg-198), and Pseudomonas fluorescens (Antg-273) were the most potent antagonistic bacterial isolates which reduced DI and DS as compared to the untreated control. This study suggested the potential of bacterial antagonists Curtobacterium flaccumfaciens, Microbacterium oxydans, Pseudomonas oryzihabitans, and Pseudomonas fluorescens for the biocontrol of Ac-induced bacterial fruit blotch (BFB).
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Claims 8
Claim · model-written summary
Fifty-four bacterial isolates inhibited Acidovorax citrulli in vitro, with inhibition zones of 2.3 to 27.0 mm.
- Taxon
- watermelon
Citrullus lanatust0 - Interactor
- Acidovorax citrulliParacidovorax citrullie0pathogen
- Outcome
- Acidovorax citrulli (Ac) growthe0
- Direction
- inhibitede0
- Value
- 2.3 and 27.0 mme0
- Qualifier
- 54 out of 322 strainse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“54 out of 322 strains inhibited the Acidovorax citrulli (Ac) growth with an appearance of clear zones between 2.3 and 27.0 mm in diameter”
t0“watermelon”
Claim · model-written summary
The other 268 isolates showed no antagonistic activity against Acidovorax citrulli.
- Taxon
- watermelonCitrullus lanatust0
- Interactor
- Acidovorax citrulliParacidovorax citrullie1pathogen
- Outcome
- antagonistic activity against Ace0
- Direction
- did not exhibite0
- Value
- 268 strainse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the remaining 268 strains did not exhibit any antagonistic activity against Ac”
e1“Acidovorax citrulli (Ac)”
t0“watermelon”
Claim · model-written summary
Seed treatment with fourteen antagonistic bacteria significantly reduced disease incidence by 14.06-79.47%.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- Seed treatments with fourteen individual antagonistic bacteriae0
- Outcome
- disease incidence (DI)e0
- Direction
- reductione0
- Value
- 14.06-79.47%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed treatments with fourteen individual antagonistic bacteria resulted in a significant reduction in disease incidence (DI) and severity (DS) ranging between 14.06-79.47% and between 4.57-41.49%, respectively.”
t0“watermelon”
Claim · model-written summary
Seed treatment with fourteen antagonistic bacteria significantly reduced disease severity by 4.57-41.49%.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- Seed treatments with fourteen individual antagonistic bacteriae0
- Outcome
- severity (DS)e0
- Direction
- reductione0
- Value
- 4.57-41.49%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed treatments with fourteen individual antagonistic bacteria resulted in a significant reduction in disease incidence (DI) and severity (DS) ranging between 14.06-79.47% and between 4.57-41.49%, respectively.”
t0“watermelon”
Claim · model-written summary
Pseudomonas oryzihabitans (Antg-12) reduced disease incidence and severity versus untreated control.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- Pseudomonas oryzihabitans (Antg-12)e0
- Interactor
- Acidovorax citrulliParacidovorax citrullit0pathogen
- Second interactor
- Pseudomonas oryzihabitans (Antg-12)Pseudomonas oryzihabitanse0biocontrol_agent
- Outcome
- DI and DSe0
- Direction
- reducede0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The bacteria Pseudomonas oryzihabitans (Antg-12), Microbacterium oxydans (Antg-57), Curtobacterium flaccumfaciens (Antg-198), and Pseudomonas fluorescens (Antg-273) were the most potent antagonistic bacterial isolates which reduced DI and DS as compared to the untreated control.”
t0“watermelon seedling blight caused by Acidovorax citrulli”
Claim · model-written summary
Microbacterium oxydans (Antg-57) reduced disease incidence and severity versus untreated control.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- Microbacterium oxydans (Antg-57)e0
- Interactor
- Acidovorax citrulliParacidovorax citrullit0pathogen
- Second interactor
- Microbacterium oxydans (Antg-57)Microbacterium oxydanse0biocontrol_agent
- Outcome
- DI and DSe0
- Direction
- reducede0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The bacteria Pseudomonas oryzihabitans (Antg-12), Microbacterium oxydans (Antg-57), Curtobacterium flaccumfaciens (Antg-198), and Pseudomonas fluorescens (Antg-273) were the most potent antagonistic bacterial isolates which reduced DI and DS as compared to the untreated control.”
t0“watermelon seedling blight caused by Acidovorax citrulli”
Claim · model-written summary
Curtobacterium flaccumfaciens (Antg-198) reduced disease incidence and severity versus untreated control.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- Curtobacterium flaccumfaciens (Antg-198)e0
- Interactor
- Acidovorax citrulliParacidovorax citrullit0pathogen
- Second interactor
- Curtobacterium flaccumfaciens (Antg-198)
Curtobacterium flaccumfaciense0biocontrol_agent - Outcome
- DI and DSe0
- Direction
- reducede0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The bacteria Pseudomonas oryzihabitans (Antg-12), Microbacterium oxydans (Antg-57), Curtobacterium flaccumfaciens (Antg-198), and Pseudomonas fluorescens (Antg-273) were the most potent antagonistic bacterial isolates which reduced DI and DS as compared to the untreated control.”
t0“watermelon seedling blight caused by Acidovorax citrulli”
Claim · model-written summary
Pseudomonas fluorescens (Antg-273) reduced disease incidence and severity versus untreated control.
- Taxon
- watermelonCitrullus lanatust0
- Treatment
- Pseudomonas fluorescens (Antg-273)e0
- Interactor
- Acidovorax citrulliParacidovorax citrullit0pathogen
- Second interactor
- Pseudomonas fluorescens (Antg-273)
.JPG?width=60)
Pseudomonas fluorescense0biocontrol_agent - Outcome
- DI and DSe0
- Direction
- reducede0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.JPG?width=500)
Verbatim
e0“The bacteria Pseudomonas oryzihabitans (Antg-12), Microbacterium oxydans (Antg-57), Curtobacterium flaccumfaciens (Antg-198), and Pseudomonas fluorescens (Antg-273) were the most potent antagonistic bacterial isolates which reduced DI and DS as compared to the untreated control.”
t0“watermelon seedling blight caused by Acidovorax citrulli”
The same questions in other papers
Pseudomonas fluorescens · Paracidovorax citrulli · Citrullus lanatus (watermelon)Results agree
1 paper in the same direction as this paper
- positive
inoculation · disease · Citrullus lanatus (watermelon)Positive and negative results
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See all 36 papers →seed treatment · disease · Citrullus lanatus (watermelon)Results agree
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See all 8 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.