Abstract
Plant growth promoting rhizobacteria Ochrobactrum lupini KUDC1013 and Novosphingobium pentaromativorans KUDC1065 isolated from Dokdo Island, S. Korea are capable of eliciting induced systemic resistance (ISR) in pepper against bacterial spot disease. The present study aimed to determine whether plant growth-promoting rhizobacteria (PGPR) strains including strain KUDC1013, strain KUDC1065, and Paenibacillus polymyxa E681 either singly or in combinations were evaluated to have the capacity for potential biological control and plant growth promotion effect in the field trials. Under greenhouse conditions, the induced systemic resistance (ISR) effect of treatment with strains KUDC1013 and KUDC1065 differed according to pepper growth stages. Drenching of 3-week-old pepper seedlings with the KUDC-1013 strain significantly reduced the disease symptoms. In contrast, treatment with the KUDC1065 strain significantly protected 5-week-old pepper seedlings. Under field conditions, peppers treated with PGPR mixtures containing E681 and KUDC1013, either in a two-way combination, were showed greater effect on plant growth than those treated with an individual treatment. Collectively, the application of mixtures of PGPR strains on pepper might be considered as a potential biological control under greenhouse and field conditions.
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Claims 5
Claim · model-written summary
The induced systemic resistance effect of KUDC1013 and KUDC1065 varied with pepper growth stage.
- Taxon
- peppert0
- Treatment
- strains KUDC1013 and KUDC1065e0
- Outcome
- induced systemic resistance (ISR) effecte0
- Setting
- greenhouse conditionse0
Not reportedDirection
Verbatim
e0“Under greenhouse conditions, the induced systemic resistance (ISR) effect of treatment with strains KUDC1013 and KUDC1065 differed according to pepper growth stages”
e1“Under greenhouse conditions, the induced systemic resistance (ISR) effect of treatment with strains KUDC1013 and KUDC1065 differed according to pepper growth stages”
t1“Under greenhouse conditions, the induced systemic resistance (ISR) effect of treatment with strains KUDC1013 and KUDC1065 differed according to pepper growth stages”
t0“pepper”
Claim · model-written summary
KUDC-1013 drenching significantly reduced disease symptoms in three-week-old pepper seedlings.
- Taxon
- peppere0
- Organ / stage
- 3-week-old pepper seedlingse0
- Treatment
- Drenching of 3-week-old pepper seedlings with the KUDC-1013 straine0
- Interactor
- KUDC-1013 straine0biocontrol_agent
- Outcome
- disease symptomse0
- Direction
- reducede0
Not reportedComparator
Verbatim
e0“Drenching of 3-week-old pepper seedlings with the KUDC-1013 strain significantly reduced the disease symptoms”
e1“Drenching of 3-week-old pepper seedlings with the KUDC-1013 strain significantly reduced the disease symptoms”
t1“Drenching of 3-week-old pepper seedlings with the KUDC-1013 strain significantly reduced the disease symptoms”
Claim · model-written summary
KUDC1065 significantly protected five-week-old pepper seedlings.
- Taxon
- peppere0
- Organ / stage
- 5-week-old pepper seedlingse0
- Treatment
- treatment with the KUDC1065 straine0
- Interactor
- KUDC1065 straine0biocontrol_agent
- Outcome
- protected 5-week-old pepper seedlingse0
- Direction
- protectede0
Not reportedComparator
Verbatim
e0“treatment with the KUDC1065 strain significantly protected 5-week-old pepper seedlings”
e1“treatment with the KUDC1065 strain significantly protected 5-week-old pepper seedlings”
t1“treatment with the KUDC1065 strain significantly protected 5-week-old pepper seedlings”
Claim · model-written summary
The E681 and KUDC1013 mixture improved pepper growth more than individual treatments in the field.
- Treatment
- PGPR mixtures containing E681 and KUDC1013e0
- Outcome
- plant growthe0
- Direction
- greatere0
- Comparator
- an individual treatmente0
- Setting
- field conditionse0
CapsicumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under field conditions, peppers treated with PGPR mixtures containing E681 and KUDC1013, either in a two-way combination, were showed greater effect on plant growth than those treated with an individual treatment”
e1“Under field conditions, peppers treated with PGPR mixtures containing E681 and KUDC1013, either in a two-way combination, were showed greater effect on plant growth than those treated with an individual treatment”
t1“Under field conditions, peppers treated with PGPR mixtures containing E681 and KUDC1013, either in a two-way combination, were showed greater effect on plant growth than those treated with an individual treatment”
Claim · model-written summary
The authors consider PGPR mixtures a potential biological control treatment for pepper.
Verbatim
e0“the application of mixtures of PGPR strains on pepper might be considered as a potential biological control under greenhouse and field conditions”
e1“the application of mixtures of PGPR strains on pepper might be considered as a potential biological control under greenhouse and field conditions”
t1“the application of mixtures of PGPR strains on pepper might be considered as a potential biological control under greenhouse and field conditions”
The same questions in other papers
inoculation · growth · Capsicum (peppers)Positive and negative results
47 papers in the same direction as this paper · 8 in the opposite direction
- no effect
- no effect
- no effect
52 papers more in this group
See all 56 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.