Abstract
In this study,the winter wheat Nongda 6081 whose growth was promoted by a certain intensity of UV-B in seedling stage and the winter wheat 9305031-2 whose growth was inhibited were used as materials.These two cultivars were irradiated by UV-B(15 μW·cm-2,6 h per day) after the emergence in the phytotron and then related indexes of growth,photosynthesis,UV-absorbing materials,membrane permeability,H2O2 accumulation and removal ability were all compared and analyzed.The results showed that,UV-B treatment promoted the plant height,dry weight,PSII function,SOD activity,CAT activity,content of soluble protein,and content of UV-absorbing materials such as carotenoids and flavonoids of resistant winter wheat Nongda 6081,but decreased the content of H2O2 and the electrolyte leakage of membrane systems,suggesting that the producing or removal of ROS and H2O2 was effectively controlled.But,the activities of SOD and CAT of sensitive winter wheat 9305031-2 were not improved and the content of carotenoids was inhibited,resulting that a great quantity of H2O2 was accumulated and content of chlorophyll,plant height,leaf area,dry weight,PSII function and membrane system were inhibited.It was concluded that,the resistance difference between Nongda 6081 and 9305031-2 was mainly caused by the difference in the metabolism of ROS.
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Claims 10
Claim · model-written summary
UV-B promoted height and dry weight of resistant Nongda 6081.
- Taxon
- winter wheat
Triticum aestivume0 - Material
- Nongda 6081e0
- Treatment
- UV-B treatmente0
- Outcome
- plant height,dry weighte0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“UV-B treatment promoted the plant height,dry weight,PSII function,SOD activity,CAT activity,content of soluble protein,and content of UV-absorbing materials such as carotenoids and flavonoids of resistant winter wheat Nongda 6081”
Claim · model-written summary
UV-B promoted PSII function in Nongda 6081.
- Taxon
- winter wheatTriticum aestivume0
- Material
- Nongda 6081e0
- Treatment
- UV-B treatmente0
- Outcome
- PSII functione0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“UV-B treatment promoted the plant height,dry weight,PSII function,SOD activity,CAT activity,content of soluble protein,and content of UV-absorbing materials such as carotenoids and flavonoids of resistant winter wheat Nongda 6081”
Claim · model-written summary
UV-B promoted SOD and CAT activity in Nongda 6081.
- Taxon
- winter wheatTriticum aestivume0
- Material
- Nongda 6081e0
- Treatment
- UV-B treatmente0
- Outcome
- SOD activity,CAT activitye0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“UV-B treatment promoted the plant height,dry weight,PSII function,SOD activity,CAT activity,content of soluble protein,and content of UV-absorbing materials such as carotenoids and flavonoids of resistant winter wheat Nongda 6081”
Claim · model-written summary
UV-B promoted soluble protein and UV-absorbing carotenoids and flavonoids in Nongda 6081.
- Taxon
- winter wheatTriticum aestivume0
- Material
- Nongda 6081e0
- Treatment
- UV-B treatmente0
- Outcome
- content of soluble protein,and content of UV-absorbing materials such as carotenoids and flavonoidse0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“UV-B treatment promoted the plant height,dry weight,PSII function,SOD activity,CAT activity,content of soluble protein,and content of UV-absorbing materials such as carotenoids and flavonoids of resistant winter wheat Nongda 6081”
Claim · model-written summary
UV-B reduced H2O2 content and electrolyte leakage in Nongda 6081.
- Taxon
- winter wheatTriticum aestivumt0
- Material
- Nongda 6081e0
- Treatment
- UV-Be0
- Outcome
- content of H2O2 and the electrolyte leakage of membrane systemse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“UV-B treatment promoted the plant height,dry weight,PSII function,SOD activity,CAT activity,content of soluble protein,and content of UV-absorbing materials such as carotenoids and flavonoids of resistant winter wheat Nongda 6081,but decreased the content of H2O2 and the electrolyte leakage of membrane systems”
t0“winter wheat”
Claim · model-written summary
UV-B did not improve SOD and CAT activity in sensitive 9305031-2.
- Taxon
- winter wheatTriticum aestivume0
- Material
- 9305031-2e0
- Treatment
- UV-Bt0
- Outcome
- activities of SOD and CATe0
- Direction
- not improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activities of SOD and CAT of sensitive winter wheat 9305031-2 were not improved”
t0“Research on the Different UV-B Resistance of Two Winter Wheat”
Claim · model-written summary
UV-B inhibited carotenoid content in 9305031-2.
- Taxon
- Winter WheatTriticum aestivumt0
- Material
- 9305031-2e0
- Treatment
- UV-Bt0
- Outcome
- content of carotenoidse0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activities of SOD and CAT of sensitive winter wheat 9305031-2 were not improved and the content of carotenoids was inhibited,resulting that a great quantity of H2O2 was accumulated and content of chlorophyll,plant height,leaf area,dry weight,PSII function and membrane system were inhibited.”
t0“Research on the Different UV-B Resistance of Two Winter Wheat”
Claim · model-written summary
H2O2 accumulated in sensitive 9305031-2 under UV-B.
- Taxon
- Winter WheatTriticum aestivumt0
- Material
- 9305031-2e0
- Treatment
- UV-Bt0
- Outcome
- H2O2e0
- Direction
- accumulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activities of SOD and CAT of sensitive winter wheat 9305031-2 were not improved and the content of carotenoids was inhibited,resulting that a great quantity of H2O2 was accumulated and content of chlorophyll,plant height,leaf area,dry weight,PSII function and membrane system were inhibited.”
t0“Research on the Different UV-B Resistance of Two Winter Wheat”
Claim · model-written summary
Chlorophyll content, height, leaf area, dry weight, PSII function and membrane system were inhibited in sensitive wheat.
- Taxon
- Winter WheatTriticum aestivumt0
- Material
- 9305031-2e0
- Treatment
- UV-Bt0
- Outcome
- content of chlorophyll,plant height,leaf area,dry weight,PSII function and membrane systeme0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activities of SOD and CAT of sensitive winter wheat 9305031-2 were not improved and the content of carotenoids was inhibited,resulting that a great quantity of H2O2 was accumulated and content of chlorophyll,plant height,leaf area,dry weight,PSII function and membrane system were inhibited.”
t0“Research on the Different UV-B Resistance of Two Winter Wheat”
Claim · model-written summary
Authors attributed cultivar resistance differences mainly to ROS metabolism.
- Taxon
- winter wheatTriticum aestivumt0
- Material
- Nongda 6081 and 9305031-2e0
- Outcome
- resistance differencee0
- Qualifier
- difference in the metabolism of ROSe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the resistance difference between Nongda 6081 and 9305031-2 was mainly caused by the difference in the metabolism of ROS.”
t0“winter wheat”
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