Abstract
Silicon (Si) has been reported to be a beneficial element and shown to enhance disease resistance in many crops, although it is not regarded to be critical for plant growth and development. In this study, the potential effect of Si supplementation on resistance to banana xanthomonas wilt ( BXW ) disease was evaluated using various banana cultivars. Si application at a concentration of 200 mg per plant per week was found to be optimal in enhancing resistance to BXW without any detrimental effects on plant growth. The effect of varying the duration of Si application showed continuous supply of Si before and after pathogen inoculation led to a significantly higher level of resistance to BXW in all the banana cultivars tested in comparison to non‐Si‐treated inoculated plants. Banana plants treated with Si before pathogen inoculation only, also exhibited high protection against BXW similar to plants treated continuously with Si. The total Si content in leaves increased significantly in Si‐treated plants in comparison to non‐Si‐treated control plants. The amount of Si accumulation was directly correlated to the duration of application; plants treated with Si continuously showed significantly higher amounts of Si accumulation in leaves than plants where Si application was terminated following bacterial inoculation or when Si application started immediately after pathogen inoculation. The Si‐treated plants also showed higher activity of the peroxidase enzyme in comparison to non‐Si‐treated control plants. This study confirms that application of Si enhances resistance to BXW and may provide an alternative disease management strategy.
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Claims 8
Claim · model-written summary
Si at 200 mg per plant per week was optimal for enhancing BXW resistance without harming growth.
- Treatment
- Si application at a concentration of 200 mg per plant per weeke0
- Outcome
- resistance to BXWe0
- Direction
- enhancinge0
- Qualifier
- without any detrimental effects on plant growthe0
Not reportedTaxonComparator
Verbatim
e0“Si application at a concentration of 200 mg per plant per week was found to be optimal in enhancing resistance to BXW without any detrimental effects on plant growth.”
Claim · model-written summary
Continuous Si supply before and after inoculation significantly increased BXW resistance versus untreated inoculated banana.
Verbatim
e0“continuous supply of Si before and after pathogen inoculation led to a significantly higher level of resistance to BXW in all the banana cultivars tested in comparison to non‐Si‐treated inoculated plants.”
Claim · model-written summary
Si before inoculation alone gave high BXW protection comparable to continuous Si.
Verbatim
e0“Banana plants treated with Si before pathogen inoculation only, also exhibited high protection against BXW similar to plants treated continuously with Si.”
Claim · model-written summary
Si treatment significantly increased leaf Si content versus controls.
- Treatment
- Si‐treated plantse0
- Outcome
- total Si content in leavese0
- Direction
- increasede0
- Comparator
- non‐Si‐treated control plantse0
Not reportedTaxon
Verbatim
e0“The total Si content in leaves increased significantly in Si‐treated plants in comparison to non‐Si‐treated control plants.”
Claim · model-written summary
Leaf Si accumulation rose with duration of Si application.
Not reportedTaxonDirection
Verbatim
e0“The amount of Si accumulation was directly correlated to the duration of application”
Claim · model-written summary
Continuous Si application caused significantly more leaf accumulation than either shorter schedule.
- Treatment
- Si continuouslye0
- Outcome
- Si accumulation in leavese0
- Direction
- highere0
- Comparator
- plants where Si application was terminated following bacterial inoculation or when Si application started immediately after pathogen inoculatione0
Not reportedTaxon
Verbatim
e0“plants treated with Si continuously showed significantly higher amounts of Si accumulation in leaves than plants where Si application was terminated following bacterial inoculation or when Si application started immediately after pathogen inoculation.”
Claim · model-written summary
Si treatment increased peroxidase activity versus untreated controls.
- Treatment
- Si‐treated plantse0
- Gene
- peroxidase enzymee0
- Outcome
- activity of the peroxidase enzymee0
- Direction
- highere0
- Comparator
- non‐Si‐treated control plantse0
Not reportedTaxon
Verbatim
e0“The Si‐treated plants also showed higher activity of the peroxidase enzyme in comparison to non‐Si‐treated control plants.”
Claim · model-written summary
The authors propose Si application as an alternative BXW management strategy.
Not reportedTaxon
Verbatim
e0“application of Si enhances resistance to BXW and may provide an alternative disease management strategy.”
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