Abstract
Arsenic (As) toxicity profoundly affects the yield and quality of rice worldwide and it is one of the crucial threats in the world as rice being one of the major staple cereal crops. The present study was designed to investigate the growth (germination, growth of the seedlings), stress (H2O2 and lipid peroxidation) and biochemical parameters (amylase activity, enzymatic and nonenzymatic antioxidant activity) of Ranjit and Aijung, the two most edible cultivars of Assam under arsenic stress. Both the rice cultivars responded differentially to As treatments and showed differences in all noted parameters. With increasing arsenic concentration, reduction in germination, plumule–radicle length, reduced fresh and dry mass, and declination in amylase activity was prompted. The reductions of most of the observed parameters were higher in Ranjit than Aijung cultivar as compared to their respective control. Alteration of stress-related parameters and antioxidant enzymes were also inferred under As stress. Analysis of growth and biochemical study revealed that Aijung cultivar is more tolerant to As stress than Ranjit cultivar and that might be associated with a potent antioxidative defense system.
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Claims 8
Claim · model-written summary
Increasing arsenic concentration reduced rice germination.
- Taxon
- rice
Oryza sativae1 - Treatment
- increasing arsenic concentratione0
- Outcome
- germinatione0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With increasing arsenic concentration, reduction in germination, plumule–radicle length, reduced fresh and dry mass, and declination in amylase activity was prompted.”
e1“Both the rice cultivars responded differentially to As treatments”
Claim · model-written summary
Increasing arsenic concentration reduced rice plumule–radicle length.
- Taxon
- riceOryza sativae1
- Treatment
- increasing arsenic concentratione0
- Outcome
- plumule–radicle lengthe0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With increasing arsenic concentration, reduction in germination, plumule–radicle length, reduced fresh and dry mass, and declination in amylase activity was prompted.”
e1“Both the rice cultivars responded differentially to As treatments”
Claim · model-written summary
Increasing arsenic concentration reduced rice fresh and dry mass.
- Taxon
- riceOryza sativae1
- Treatment
- increasing arsenic concentratione0
- Outcome
- fresh and dry masse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With increasing arsenic concentration, reduction in germination, plumule–radicle length, reduced fresh and dry mass, and declination in amylase activity was prompted.”
e1“Both the rice cultivars responded differentially to As treatments”
Claim · model-written summary
Increasing arsenic concentration decreased rice amylase activity.
- Taxon
- riceOryza sativae1
- Treatment
- increasing arsenic concentratione0
- Outcome
- amylase activitye0
- Direction
- declinatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With increasing arsenic concentration, reduction in germination, plumule–radicle length, reduced fresh and dry mass, and declination in amylase activity was prompted.”
e1“Both the rice cultivars responded differentially to As treatments”
Claim · model-written summary
Ranjit showed greater reductions in most observed parameters under arsenic than Aijung.
Verbatim
e0“The reductions of most of the observed parameters were higher in Ranjit than Aijung cultivar as compared to their respective control.”
Claim · model-written summary
Arsenic stress altered stress-related parameters and antioxidant enzymes in the rice cultivars.
- Taxon
- riceOryza sativae1
- Treatment
- As stresse0
- Outcome
- stress-related parameters and antioxidant enzymese0
- Direction
- Alteratione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Alteration of stress-related parameters and antioxidant enzymes were also inferred under As stress.”
e1“Both the rice cultivars responded differentially to As treatments”
Claim · model-written summary
Aijung was interpreted as more arsenic tolerant than Ranjit.
Verbatim
e0“Aijung cultivar is more tolerant to As stress than Ranjit cultivar”
Claim · model-written summary
Aijung’s greater arsenic tolerance was proposed to be associated with a potent antioxidative defense system.
- Taxon
- Aijunge0
- Material
- Aijung cultivare0
- Outcome
- more tolerant to As stresse0
- Qualifier
- potent antioxidative defense systeme0
Not reportedDirection
Verbatim
e0“Aijung cultivar is more tolerant to As stress than Ranjit cultivar and that might be associated with a potent antioxidative defense system.”
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