Abstract
The activities of POD、SOD or CAT and H2O2 content were examined in cucumber leaves treated with BTH or inoculated with Pseudoperonospora cubensis f.sp.cucumerinum.Results showed H2O2 content in leaves treatment with BTH were increased significantly,and accumulated faster than control after inoculation.The result showed that H2O2 may be concerned with induced resistance against downy mildew.After treated with BTH,the activities of SOD or POD were enhanced while CAT activities were inhibited in leaves.The increase of H2O2 content may be related to the increase of SOD or POD activities and the decrease of CAT activities.That BTH induced defence gene expression through H2O2 was one of the main machinsm of induced resistance.
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Claims 6
Claim · model-written summary
BTH significantly increased leaf H2O2 content.
- Taxon
- Cucumber
Cucumis sativust0 - Treatment
- BTHe0
- Outcome
- H2O2 contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber Leaves”
e0“H2O2 content in leaves treatment with BTH were increased significantly”
Claim · model-written summary
Following inoculation, H2O2 accumulated faster in BTH treated leaves than in controls.
- Taxon
- CucumberCucumis sativust0
- Treatment
- BTHe1
- Outcome
- H2O2 contente1
- Direction
- fastere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber Leaves”
e0“accumulated faster than control after inoculation”
e1“H2O2 content in leaves treatment with BTH”
Claim · model-written summary
BTH enhanced SOD and POD activities in leaves.
- Taxon
- CucumberCucumis sativust0
- Treatment
- BTHe0
- Gene
- SOD or PODe0
- Outcome
- activities of SOD or PODe0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber Leaves”
e0“After treated with BTH,the activities of SOD or POD were enhanced”
Claim · model-written summary
BTH inhibited CAT activity in leaves.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber Leaves”
e0“CAT activities were inhibited in leaves”
e1“After treated with BTH”
Claim · model-written summary
The authors relate H2O2 accumulation to higher SOD or POD and lower CAT activities.
- Taxon
- CucumberCucumis sativust0
- Gene
- SOD or PODe0
- Outcome
- increase of H2O2 contente0
- Qualifier
- decrease of CAT activitiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber Leaves”
e0“The increase of H2O2 content may be related to the increase of SOD or POD activities and the decrease of CAT activities”
Claim · model-written summary
The authors propose H2O2 mediated defense gene expression as a main mechanism of BTH induced resistance.
- Taxon
- CucumberCucumis sativust0
- Treatment
- BTHe0
- Compound
- H2O2e0
- Outcome
- induced resistancee0
- Qualifier
- defence gene expressione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber Leaves”
e0“BTH induced defence gene expression through H2O2 was one of the main machinsm of induced resistance”
The same questions in other papers
acibenzolar-S-methyl · physiology: antioxidant enzymes · Cucumis sativus (cucumber)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 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.