Abstract
Seed treatment and foliar sprays of salicylic acid (SA) provided protection in rice against bacterial leaf blight (BLB) caused by bacterial Xanthomonas oryzae pv. oryzae (Xoo). Treatment of rice with exogenous SA reduced disease severity by more than 38%. Superoxide anion production and hypersensitive response increased approximately 28% and 110% at 6 and 48 h after Xoo inoculation, respectively, for plants treated with SA. Moreover, the Xoo in treated rice plants grew more slowly, resulting in a population that was half of that observed in the control. Fourier transform infrared spectroscopy analysis revealed that the higher ratios of 1233/1517, 1467/1517, and 1735/1517 cm−1 observed in treated rice suggested alteration of monomer composition of lignin and pectin in the rice cell wall. Exogenous SA-treated rice had more amide I β-sheet structure and lipids as shown by the peaks at 1629, 2851, and 1735 cm−1. These biochemical changes of rice treated with SA and inoculated with Xoo were related to primed resistance of the rice plants to BLB disease.
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Claims 8
Claim · model-written summary
Salicylic acid treatment protected rice against bacterial leaf blight.
- Taxon
- rice
Oryza sativae0 - Treatment
- Seed treatment and foliar sprays of salicylic acid (SA)e0
- Interactor
- Xanthomonas oryzae pv. oryzae
Xanthomonas oryzae pv. oryzaee0pathogen - Outcome
- protection in rice against bacterial leaf blighte0
- Direction
- provided protectione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed treatment and foliar sprays of salicylic acid (SA) provided protection in rice against bacterial leaf blight (BLB) caused by bacterial Xanthomonas oryzae pv. oryzae (Xoo)”
Claim · model-written summary
Exogenous SA reduced rice disease severity by more than 38%.
- Taxon
- riceOryza sativae0
- Treatment
- exogenous SAe0
- Outcome
- disease severitye0
- Direction
- reducede0
- Value
- more than 38%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Treatment of rice with exogenous SA reduced disease severity by more than 38%”
Claim · model-written summary
Superoxide anion production rose approximately 28% at 6 h after inoculation in SA-treated rice.
- Taxon
- riceOryza sativat0
- Treatment
- SAe0
- Interactor
- Xooe0pathogen
- Outcome
- Superoxide anion productione0
- Direction
- increasede0
- Value
- 28%e0
- Qualifier
- 6e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Superoxide anion production and hypersensitive response increased approximately 28% and 110% at 6 and 48 h after Xoo inoculation, respectively, for plants treated with SA”
t0“rice”
Claim · model-written summary
Hypersensitive response rose approximately 110% at 48 h after inoculation in SA-treated rice.
- Taxon
- riceOryza sativat0
- Treatment
- SAe0
- Interactor
- Xooe0pathogen
- Outcome
- hypersensitive responsee0
- Direction
- increasede0
- Value
- 110%e0
- Qualifier
- 48 he0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Superoxide anion production and hypersensitive response increased approximately 28% and 110% at 6 and 48 h after Xoo inoculation, respectively, for plants treated with SA”
t0“rice”
Claim · model-written summary
The Xoo population in treated rice was half the control population.
- Taxon
- riceOryza sativae0
- Treatment
- treatede0
- Interactor
- Xooe0pathogen
- Outcome
- Xoo in treated rice plants grew more slowlye0
- Direction
- grew more slowlye0
- Value
- halfe0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the Xoo in treated rice plants grew more slowly, resulting in a population that was half of that observed in the control”
Claim · model-written summary
SA-treated rice had higher infrared peak ratios, suggesting altered lignin and pectin monomer composition in its cell wall.
- Taxon
- riceOryza sativae0
- Treatment
- treatede0
- Outcome
- higher ratios of 1233/1517, 1467/1517, and 1735/1517 cm−1e0
- Direction
- highere0
- Qualifier
- alteration of monomer composition of lignin and pectin in the rice cell walle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher ratios of 1233/1517, 1467/1517, and 1735/1517 cm−1 observed in treated rice suggested alteration of monomer composition of lignin and pectin in the rice cell wall”
Claim · model-written summary
SA-treated rice had more amide I β-sheet structure and lipids.
- Taxon
- riceOryza sativae0
- Treatment
- Exogenous SAe0
- Outcome
- amide I β-sheet structure and lipidse0
- Direction
- moree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exogenous SA-treated rice had more amide I β-sheet structure and lipids as shown by the peaks at 1629, 2851, and 1735 cm−1”
Claim · model-written summary
The reported biochemical changes were related to primed resistance to BLB.
- Taxon
- riceOryza sativae0
- Treatment
- SAe0
- Interactor
- Xooe0pathogen
- Outcome
- primed resistance of the rice plants to BLB diseasee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These biochemical changes of rice treated with SA and inoculated with Xoo were related to primed resistance of the rice plants to BLB disease”
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