Abstract
The physiological responses of tea plants to aluminum(Al) and fluorine(F) interaction stressing were studied,and six physiological indices were investigated in tow varieties Baicha and Zhirenzaocha at 30 d,including the membrane permeability of leaf cells(MP) ,the root system activity(RA) ,free proline(Pro) content,the activity of catalase(CAT) ,peroxidase(POD) and superoxidedismutase(SOD) . Tea plants was cultured in nutrient solution which contained Al(0,30,90 mg·L-1) and/or F(0,4,12 mg·L-1) . The results were summarized as follows:(1) RA in roots and the activity of SOD in leaves were enhanced with 30 mg·L-1 of Al alone,but MP and activity of POD and CAT in leaves declined;(2) When the concentration of F alone was 4 mg·L-1 and 12 mg·L-1,enzymes of tea leaves increased and MP and RA in roots decrease compared with control(0 mg·L-1 Al and 0 mg·L-1F) ;(3) RA,content of Pro and the activity of POD,CAT and SOD were lower under high Al and low F interaction compared with 90 mg·L-1Al alone. Maybe Al and F cooperated with each other during growth of tea plants. When proportion of Al and F were from 30/4 to 30/12,activity of POD,CAT and SOD showed an obvious upward tendency,as was inferred that the range of proportion strengthened the ability of reactive oxygen species(ROS) scavenging. In comparison with control,activity of POD,CAT and SOD of tea plants increased,but MP and RA fell under high Al and high F interaction,indicating that tea plants injured in some degree. Therefore,Al and F interaction has a significant effect on physiological and biochemical characteristics of young tea plants,and the proportion of interaction exist some range. The sensibilities between Baicha and Zhirenzaocha are different resulting from Al and F interaction and order is ZhirenzaochaBaicha,which is suggested that there may be correlation with variety.
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Claims 10
Claim · model-written summary
30 mg·L-1 Al alone enhanced root activity and leaf SOD activity.
- Taxon
- tea plantst0
- Treatment
- 30 mg·L-1 of Al alonee0
- Outcome
- RA in roots and the activity of SOD in leavese0
- Direction
- enhancede0
Not reportedComparator
Verbatim
e0“RA in roots and the activity of SOD in leaves were enhanced with 30 mg·L-1 of Al alone”
t0“tea plants”
Claim · model-written summary
30 mg·L-1 Al alone reduced leaf membrane permeability and POD and CAT activity.
Not reportedTreatmentComparator
Verbatim
e0“MP and activity of POD and CAT in leaves declined”
t0“tea plants”
Claim · model-written summary
At 4 or 12 mg·L-1 F alone, leaf enzyme activity increased relative to control.
Verbatim
e0“When the concentration of F alone was 4 mg·L-1 and 12 mg·L-1,enzymes of tea leaves increased and MP and RA in roots decrease compared with control(0 mg·L-1 Al and 0 mg·L-1F)”
t0“tea plants”
Claim · model-written summary
At 4 or 12 mg·L-1 F alone, MP and root activity decreased relative to control.
Verbatim
e0“When the concentration of F alone was 4 mg·L-1 and 12 mg·L-1,enzymes of tea leaves increased and MP and RA in roots decrease compared with control(0 mg·L-1 Al and 0 mg·L-1F)”
t0“tea plants”
Claim · model-written summary
High Al with low F lowered root activity and proline content compared with high Al alone.
Verbatim
e0“RA,content of Pro and the activity of POD,CAT and SOD were lower under high Al and low F interaction compared with 90 mg·L-1Al alone”
t0“tea plants”
Claim · model-written summary
High Al with low F lowered POD, CAT and SOD activity compared with high Al alone.
Verbatim
e0“RA,content of Pro and the activity of POD,CAT and SOD were lower under high Al and low F interaction compared with 90 mg·L-1Al alone”
t0“tea plants”
Claim · model-written summary
POD, CAT and SOD activity rose as Al/F proportion changed from 30/4 to 30/12.
Verbatim
e0“When proportion of Al and F were from 30/4 to 30/12,activity of POD,CAT and SOD showed an obvious upward tendency”
t0“tea plants”
Claim · model-written summary
High Al and high F increased POD, CAT and SOD activity over control.
Verbatim
e0“In comparison with control,activity of POD,CAT and SOD of tea plants increased,but MP and RA fell under high Al and high F interaction”
t0“tea plants”
Claim · model-written summary
High Al and high F lowered membrane permeability and root activity relative to control.
Verbatim
e0“In comparison with control,activity of POD,CAT and SOD of tea plants increased,but MP and RA fell under high Al and high F interaction”
t0“tea plants”
Claim · model-written summary
Baicha and Zhirenzaocha differed in sensitivity to Al and F interaction.
Verbatim
e0“The sensibilities between Baicha and Zhirenzaocha are different resulting from Al and F interaction”
t0“tea plants”
The same questions in other papers
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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.