Abstract
Abstract The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated. The high Na content was achieved by the supply of NaCI (rice: R1: 40, R2: 60, R3: 80, R4: 100, R5: 120; tomato: R1′: 10, R2′: 20, R3′: 40, R4′: 60, R5′: 80 mmol( + ) kg-1) to the nutrient solution or spray of NaCl (rice: L1: 40, L2: 60, L3: 80, L4: 100, L5: 120; tomato: L1′: 10, L2′: 20, L3′: 40, L4′: 60, L5′: 80 mmol( +) kg-1) on the leaves. The high Na content in the tops suppressed the transport of K to the tops in rice and the uptake of K by the roots in tomato under N a spray conditions. The L5′ tomato leaves could not tolerate the high Na content (or lower osmotic potential (OP)) and exhibited necrosis. The N a spray resulted in a larger N a accumulation in the tops of rice and tomato than the Na supply at 2 d. This trend persisted until 8 d in tomato, but the N a supply resulted in a larger accumulation of N a in the rice tops. In the Na supply treatments, the T/R ratio of DC (uptake concentration accompanied with transpiration) of Na was considerably higher than that in the control (CO) for rice, while approximately the same values as those of CO were obtained in tomato. These results indicate a difference in the response of the protection and maintenance of the structure and function of the roots of the species to a high Na concentration. A close negative relationship was observed between the DC of Na and K for both species in the Na supply treatments, and a larger slope was obtained in tomato. Water absorption was related to osmotic absorption for rice, and to transpiration for tomato. In tomato, the increasing cation content led to the increase in the difference of OP between tops and roots, and contributed to the increase of water absorption. The water deficit (WD) in rice tops increased with the increase of Na supply concentrations, unlike in tomato tops. The Na spray led to negative WD values in tomato tops and decreased them with the increase of Na concentrations. In both species, the lower the WD, the larger was the dry weight (DW) under a certain Na content in the tops. These results suggest that an adequate water status may improve plant growth and may enable to overcome the detrimental effect of Na.
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Claims 18
Claim · model-written summary
High Na content suppressed K transport to the tops of rice.
- Taxon
- rice
Oryza sativae1 - Material
- Yamabikoe1
- Organ / stage
- topse4
- Treatment
- high Na contente4
- Outcome
- transport of K to the topse4
- Direction
- suppressede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e4“The high Na content in the tops suppressed the transport of K to the tops in rice and the uptake of K by the roots in tomato under N a spray conditions”
Claim · model-written summary
High Na content under spray conditions suppressed K uptake by the roots of tomato.
- Taxon
- tomato
Solanum lycopersicume1 - Material
- Saturne1
- Organ / stage
- rootse4
- Treatment
- N a spray conditionse4
- Outcome
- uptake of K by the rootse4
- Direction
- suppressede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e4“The high Na content in the tops suppressed the transport of K to the tops in rice and the uptake of K by the roots in tomato under N a spray conditions”
Claim · model-written summary
Tomato leaves could not tolerate the high Na content (L5′) and showed necrosis.
- Taxon
- tomatoSolanum lycopersicume5
- Organ / stage
- leavese5
- Treatment
- high Na contente5
- Outcome
- necrosise5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“The L5′ tomato leaves could not tolerate the high Na content (or lower osmotic potential (OP)) and exhibited necrosis”
Claim · model-written summary
Na spray gave a larger Na accumulation in rice tops than Na supply at 2 days.
- Taxon
- riceOryza sativae6
- Material
- Yamabikoe1
- Organ / stage
- topse6
- Treatment
- N a spraye6
- Outcome
- accumulation in the topse6
- Direction
- largere6
- Qualifier
- at 2 de6
- Comparator
- Na supplye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e6“The N a spray resulted in a larger N a accumulation in the tops of rice and tomato than the Na supply at 2 d”
Claim · model-written summary
Na spray gave a larger Na accumulation in tomato tops than Na supply at 2 days.
- Taxon
- tomatoSolanum lycopersicume6
- Material
- Saturne1
- Organ / stage
- topse6
- Treatment
- N a spraye6
- Outcome
- accumulation in the topse6
- Direction
- largere6
- Qualifier
- at 2 de6
- Comparator
- Na supplye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e6“The N a spray resulted in a larger N a accumulation in the tops of rice and tomato than the Na supply at 2 d”
Claim · model-written summary
The larger Na accumulation in tomato tops after Na spray persisted until 8 days.
- Taxon
- tomatoSolanum lycopersicume7
- Material
- Saturne1
- Treatment
- N a spraye6
- Outcome
- accumulation in the topse6
- Direction
- largere6
- Qualifier
- until 8 de7
- Comparator
- Na supplye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e6“The N a spray resulted in a larger N a accumulation in the tops of rice and tomato than the Na supply at 2 d”
e7“This trend persisted until 8 d in tomato, but the N a supply resulted in a larger accumulation of N a in the rice tops”
Claim · model-written summary
Na supply gave a larger Na accumulation in rice tops.
- Taxon
- riceOryza sativae7
- Material
- Yamabikoe1
- Organ / stage
- topse7
- Treatment
- N a supplye7
- Outcome
- accumulation of N a in the rice topse7
- Direction
- largere7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e7“This trend persisted until 8 d in tomato, but the N a supply resulted in a larger accumulation of N a in the rice tops”
Claim · model-written summary
In rice, the T/R ratio of Na uptake was higher in Na supply treatments than in the control.
- Taxon
- riceOryza sativae2
- Material
- Yamabikoe1
- Treatment
- Na supply treatmentse2
- Outcome
- T/R ratio of DCe2
- Direction
- highere2
- Comparator
- control (CO)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e2“In the Na supply treatments, the T/R ratio of DC (uptake concentration accompanied with transpiration) of Na was considerably higher than that in the control (CO) for rice, while approximately the same values as those of CO were obtained in tomato”
Claim · model-written summary
In tomato, the T/R ratio of Na uptake was approximately the same in Na supply treatments as in the control.
- Taxon
- tomatoSolanum lycopersicume2
- Material
- Saturne1
- Treatment
- Na supply treatmentse2
- Outcome
- T/R ratio of DCe2
- Direction
- no_changeinferrede2
- Comparator
- COe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e2“In the Na supply treatments, the T/R ratio of DC (uptake concentration accompanied with transpiration) of Na was considerably higher than that in the control (CO) for rice, while approximately the same values as those of CO were obtained in tomato”
Claim · model-written summary
In rice, DC of Na and K showed a close negative relationship in Na supply treatments.
- Taxon
- riceOryza sativae1
- Material
- Yamabikoe1
- Treatment
- Na supply treatmentse3
- Outcome
- DC of Na and Ke3
- Direction
- negativee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e3“A close negative relationship was observed between the DC of Na and K for both species in the Na supply treatments, and a larger slope was obtained in tomato”
Claim · model-written summary
In tomato, DC of Na and K showed a close negative relationship in Na supply treatments, with a larger slope than in rice.
- Taxon
- tomatoSolanum lycopersicume3
- Material
- Saturne1
- Treatment
- Na supply treatmentse3
- Outcome
- DC of Na and Ke3
- Direction
- negativee3
- Qualifier
- a larger slopee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e3“A close negative relationship was observed between the DC of Na and K for both species in the Na supply treatments, and a larger slope was obtained in tomato”
Claim · model-written summary
Water absorption in rice was related to osmotic absorption.
- Taxon
- riceOryza sativae5
- Material
- Yamabikoe1
- Outcome
- Water absorptione5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e5“Water absorption was related to osmotic absorption for rice, and to transpiration for tomato”
Claim · model-written summary
Water absorption in tomato was related to transpiration.
- Taxon
- tomatoSolanum lycopersicume5
- Material
- Saturne1
- Outcome
- Water absorptione5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e5“Water absorption was related to osmotic absorption for rice, and to transpiration for tomato”
Claim · model-written summary
High Na supply concentrations increased the water deficit in rice tops.
- Taxon
- riceOryza sativae0
- Material
- Yamabikoe1
- Organ / stage
- topse0
- Treatment
- Na supply concentrationse0
- Outcome
- water deficit (WD)e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e0“The water deficit (WD) in rice tops increased with the increase of Na supply concentrations, unlike in tomato tops”
Claim · model-written summary
Na spray decreased the water deficit values in tomato tops as Na concentration increased.
- Taxon
- tomatoSolanum lycopersicume2
- Material
- Saturne1
- Organ / stage
- topse2
- Treatment
- Na spraye2
- Outcome
- WD valuese2
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e2“The Na spray led to negative WD values in tomato tops and decreased them with the increase of Na concentrations”
Claim · model-written summary
In rice, a lower water deficit was associated with larger dry weight under a given Na content in the tops.
- Taxon
- riceOryza sativae1
- Material
- Yamabikoe1
- Organ / stage
- topse0
- Outcome
- dry weight (DW)e0
- Direction
- largere0
- Qualifier
- under a certain Na contente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e0“In both species, the lower the WD, the larger was the dry weight (DW) under a certain Na content in the tops”
Claim · model-written summary
In tomato, a lower water deficit was associated with larger dry weight under a given Na content in the tops.
- Taxon
- tomatoSolanum lycopersicume1
- Material
- Saturne1
- Organ / stage
- topse0
- Outcome
- dry weight (DW)e0
- Direction
- largere0
- Qualifier
- under a certain Na contente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The effect of a high Na content in plant on rice (Oryza sativa L. cv. Yamabiko) and tomato (Lycopersicon esculentum Mill cv. Saturn) growth was investigated”
e0“In both species, the lower the WD, the larger was the dry weight (DW) under a certain Na content in the tops”
Claim · model-written summary
The authors suggest that an adequate water status may improve plant growth and offset the detrimental effect of Na.
Verbatim
e0“These results suggest that an adequate water status may improve plant growth and may enable to overcome the detrimental effect of Na”
The same questions in other papers
application · nutrient: content · Solanum lycopersicum (tomato)Positive and negative results
6 papers in the same direction as this paper · 62 in the opposite direction
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See all 69 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.