Abstract
Tea plants (Camellia sinensis, L.) were cultured in nutrient solution from spring to summer to evaluate the role of AI on their growth and absorption of P which was supplied either at a low or high level.The results showed that tea plant growth was controlled by the amount of P as well as the amount of AI.Maximum growth of both roots and shoots occurred with 0.4 l1lM of Al in the presence of 0.1l1lM of P and with 1.6l1lM of Al in the presence of 0.8 l1lM of P. Also, in the presence of 0.1l1lM of P, AI stimulated the absorption of P and promoted the growth of the plants.In the presence of 0.8 l1lM of P, AI alleviated the toxicity of excess P, enhanced the absorption of P and promoted the growth.These results suggest that Al plays a regulatory role in the effective absorption and utilization of P. In addition, although Al caused a considerable decrease in the Ca content and a slight reduction in the Mg content, it increased the absorption of Nand K by tea plants.
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Claims 12
Claim · model-written summary
Tea growth depended on both phosphorus and aluminum amounts.
Not reportedDirection
Verbatim
e0“tea plant growth was controlled by the amount of P as well as the amount of AI.”
Claim · model-written summary
Maximum root and shoot growth occurred at 0.4 l1lM aluminum with 0.1l1lM phosphorus.
- Taxon
- Tea Plantst0
- Treatment
- 0.4 l1lM of Al in the presence of 0.1l1lM of Pe0
- Outcome
- Maximum growth of both roots and shootse0
- Direction
- Maximume0
Not reportedComparator
Verbatim
e0“Maximum growth of both roots and shoots occurred with 0.4 l1lM of Al in the presence of 0.1l1lM of P”
t0“Tea Plants”
Claim · model-written summary
Maximum root and shoot growth occurred at 1.6l1lM aluminum with 0.8 l1lM phosphorus.
- Taxon
- Tea Plantst0
- Treatment
- 1.6l1lM of Al in the presence of 0.8 l1lM of Pe0
- Outcome
- growth of both roots and shootse0
- Direction
- Maximume0
Not reportedComparator
Verbatim
e0“Maximum growth of both roots and shoots occurred with 0.4 l1lM of Al in the presence of 0.1l1lM of P and with 1.6l1lM of Al in the presence of 0.8 l1lM of P.”
t0“Tea Plants”
Claim · model-written summary
At low phosphorus, aluminum stimulated phosphorus absorption.
Not reportedComparator
Verbatim
e0“in the presence of 0.1l1lM of P, AI stimulated the absorption of P and promoted the growth of the plants.”
t0“Tea Plants”
Claim · model-written summary
At low phosphorus, aluminum promoted tea growth.
- Taxon
- Tea Plantst0
- Treatment
- AIe0
- Outcome
- growth of the plantse0
- Direction
- promotede0
- Qualifier
- 0.1l1lM of Pe0
Not reportedComparator
Verbatim
e0“in the presence of 0.1l1lM of P, AI stimulated the absorption of P and promoted the growth of the plants.”
t0“Tea Plants”
Claim · model-written summary
At high phosphorus, aluminum alleviated excess phosphorus toxicity.
- Taxon
- Tea Plantst0
- Treatment
- AIe0
- Outcome
- toxicity of excess Pe0
- Direction
- alleviatede0
- Qualifier
- 0.8 l1lM of Pe0
Not reportedComparator
Verbatim
e0“In the presence of 0.8 l1lM of P, AI alleviated the toxicity of excess P, enhanced the absorption of P and promoted the growth.”
t0“Tea Plants”
Claim · model-written summary
At high phosphorus, aluminum enhanced phosphorus absorption.
Not reportedComparator
Verbatim
e0“In the presence of 0.8 l1lM of P, AI alleviated the toxicity of excess P, enhanced the absorption of P and promoted the growth.”
t0“Tea Plants”
Claim · model-written summary
At high phosphorus, aluminum promoted tea growth.
Not reportedComparator
Verbatim
e0“In the presence of 0.8 l1lM of P, AI alleviated the toxicity of excess P, enhanced the absorption of P and promoted the growth.”
t0“Tea Plants”
Claim · model-written summary
Aluminum considerably decreased tea calcium content.
Not reportedComparator
Verbatim
e0“Al caused a considerable decrease in the Ca content and a slight reduction in the Mg content”
t0“Tea Plants”
Claim · model-written summary
Aluminum slightly reduced tea magnesium content.
Not reportedComparator
Verbatim
e0“Al caused a considerable decrease in the Ca content and a slight reduction in the Mg content”
t0“Tea Plants”
Claim · model-written summary
Aluminum increased nitrogen and potassium absorption by tea.
Not reportedComparator
Verbatim
e0“it increased the absorption of Nand K by tea plants.”
t0“Aluminum on Tea Plants”
Claim · model-written summary
The authors infer a regulatory role of aluminum in phosphorus absorption and use.
Verbatim
e0“Al plays a regulatory role in the effective absorption and utilization of P.”
t0“Tea Plants”
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