Abstract
Two rice cultivars,‘Wuyunjing24'and‘Eryou107',were used to study the effects of Sulfur(S)on the activities of antioxidant enzymes SOD,POD,CAT and photosynthetic characteristics of flag leaf during heading and filling periods in different rice genotypes under Cadmium(Cd)stress.The result showed that cadmium absorbed in rice mainly concentrated on the root under cadmium stress,the activities of SOD,POD,CAT and content of chlorophyll were decreased.At the same time,photosynthetic capacity has been weakened during heading and filling periods under Cd stress.The accumulation of Cd can be significantly reduced by sulfur in two rice cultivars,and the accumulation of cadmium varied in different parts of rice.The activities of SOD,POD,CAT increased to a certain degree by exogenous sulfur during heading and filling period.In addition,the study also found whether under Cd stress or not,it is a trend that photosynthetic capacity of flag leaf can be increased by sulfur,which may be related to organic matter and sulfate supplied by soil.
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Claims 9
Claim · model-written summary
Rice accumulated cadmium mainly in roots.
- Taxon
- rice
Oryza sativae0 - Organ / stage
- roote0
- Outcome
- cadmium absorbed in rice mainly concentrated on the roote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cadmium absorbed in rice mainly concentrated on the root under cadmium stress”
Claim · model-written summary
Cadmium stress decreased SOD, POD and CAT activities.
- Taxon
- riceOryza sativat0
- Treatment
- cadmium stresse0
- Outcome
- activities of SOD,POD,CATe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“under cadmium stress,the activities of SOD,POD,CAT and content of chlorophyll were decreased”
Claim · model-written summary
Cadmium stress decreased chlorophyll content.
- Taxon
- riceOryza sativat0
- Treatment
- cadmium stresse0
- Outcome
- content of chlorophylle0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“under cadmium stress,the activities of SOD,POD,CAT and content of chlorophyll were decreased”
Claim · model-written summary
Cadmium stress weakened photosynthetic capacity during heading and filling.
- Taxon
- riceOryza sativat0
- Organ / stage
- heading and filling periodse0
- Treatment
- Cd stresse0
- Outcome
- photosynthetic capacitye0
- Direction
- weakenede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“photosynthetic capacity has been weakened during heading and filling periods under Cd stress”
Claim · model-written summary
Sulfur significantly reduced cadmium accumulation in both cultivars.
- Taxon
- riceOryza sativae0
- Treatment
- sulfure0
- Outcome
- accumulation of Cde0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The accumulation of Cd can be significantly reduced by sulfur in two rice cultivars”
Claim · model-written summary
Cadmium accumulation differed among rice parts.
- Taxon
- riceOryza sativae0
- Organ / stage
- different partse0
- Outcome
- accumulation of cadmiume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the accumulation of cadmium varied in different parts of rice”
Claim · model-written summary
Exogenous sulfur increased SOD, POD and CAT activities.
- Taxon
- riceOryza sativat0
- Organ / stage
- heading and filling periode0
- Treatment
- exogenous sulfure0
- Outcome
- activities of SOD,POD,CATe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“The activities of SOD,POD,CAT increased to a certain degree by exogenous sulfur during heading and filling period”
Claim · model-written summary
Sulfur tended to increase flag-leaf photosynthetic capacity with or without cadmium stress.
- Taxon
- riceOryza sativat0
- Treatment
- sulfure0
- Outcome
- photosynthetic capacity of flag leafe0
- Direction
- increasede0
- Qualifier
- whether under Cd stress or note0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“whether under Cd stress or not,it is a trend that photosynthetic capacity of flag leaf can be increased by sulfur”
Claim · model-written summary
Authors suggest soil organic matter and sulfate may explain the photosynthetic response.
- Taxon
- riceOryza sativat0
- Compound
- sulfatee0
- Outcome
- photosynthetic capacity of flag leafe1
- Qualifier
- may be related to organic matter and sulfate supplied by soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“rice”
e0“which may be related to organic matter and sulfate supplied by soil”
e1“photosynthetic capacity of flag leaf can be increased by sulfur”
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See all 26 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.