Abstract
Rice seedlings cv. Khao Dawk Mali 105 (salt-sensitive), Luang Anan (moderately salt-tolerant) and Pokkali (salt-tolerant) were exposed to 0, 50, 100 and 150 mM NaCI for 9 d. Salinity stress caused reduction in leaf relative water contents in all cultivars. Shoot length of cv. Pokkali was least affected by salinity stress whereas increased root length in response to salinity stress was apparent in cvs. Khao Dawk Mali 105 and Luang Anan. Increased salinity level also caused reduction in fresh and dry weights in cvs. Khao Dawk Mali 105 and Luang Anan, but had no effect in cv. Pokkali except at 150 mM. Accumulation of total soluble sugars and sucrose in mature leaves were observed in cv. Khao Dawk Mali 105 exposed to high level of salinity whereas their concentrations in cvs. Luang Anan and Pokkali remained the same as control plants. Accumulation of sucrose in cv. Khao Dawk Mali 105 was suggested to be resulted from the alteration of photosynthate partitioning since the activities of sucrose phosphate synthase were not affected by salinity in this cultivar. On the contrary, salinity stress induced an accumulation of starch in cv. Pokkali. It is suggested that partitioning sugars into starch may involve in salinity tolerance by avoiding metabolic alterations.
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Claims 12
Claim · model-written summary
Salinity reduced leaf relative water contents in all rice cultivars.
- Taxon
- rice
Oryza sativat0 - Treatment
- Salinity stresse0
- Outcome
- leaf relative water contentse0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity stress caused reduction in leaf relative water contents in all cultivars.”
t0“rice (Oryza sativa L.) cultivars”
Claim · model-written summary
Shoot length of Pokkali was least affected by salinity stress.
- Taxon
- riceOryza sativat0
- Material
- Pokkalie0
- Treatment
- salinity stresse0
- Outcome
- Shoot lengthe0
- Direction
- least affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Shoot length of cv. Pokkali was least affected by salinity stress”
t0“rice (Oryza sativa L.) cultivars”
Claim · model-written summary
Salinity increased root length in Khao Dawk Mali 105.
- Taxon
- riceOryza sativat0
- Material
- Khao Dawk Mali 105e0
- Treatment
- salinity stresse0
- Outcome
- root lengthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased root length in response to salinity stress was apparent in cvs. Khao Dawk Mali 105 and Luang Anan”
t0“rice (Oryza sativa L.) cultivars”
Claim · model-written summary
Salinity increased root length in Luang Anan.
- Taxon
- riceOryza sativat0
- Material
- Luang Anane0
- Treatment
- salinity stresse0
- Outcome
- root lengthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased root length in response to salinity stress was apparent in cvs. Khao Dawk Mali 105 and Luang Anan”
t0“rice (Oryza sativa L.) cultivars”
Claim · model-written summary
Increasing salinity reduced fresh and dry weights in Khao Dawk Mali 105.
- Taxon
- riceOryza sativat0
- Material
- Khao Dawk Mali 105e0
- Treatment
- Increased salinity levele0
- Outcome
- fresh and dry weightse0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increased salinity level also caused reduction in fresh and dry weights in cvs. Khao Dawk Mali 105 and Luang Anan”
t0“rice (Oryza sativa L.) cultivars”
Claim · model-written summary
Increasing salinity reduced fresh and dry weights in Luang Anan.
- Taxon
- riceOryza sativat0
- Material
- Luang Anane0
- Treatment
- Increased salinity levele0
- Outcome
- fresh and dry weightse0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increased salinity level also caused reduction in fresh and dry weights in cvs. Khao Dawk Mali 105 and Luang Anan”
t0“rice (Oryza sativa L.) cultivars”
Claim · model-written summary
Fresh and dry weights of Pokkali were unaffected by salinity except at 150 mM.
- Taxon
- riceOryza sativat0
- Material
- Pokkalie0
- Treatment
- 150 mMe0
- Outcome
- fresh and dry weightse1
- Direction
- no effecte0
- Qualifier
- except at 150 mMe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but had no effect in cv. Pokkali except at 150 mM”
e1“reduction in fresh and dry weights”
t0“rice (Oryza sativa L.) cultivars”
Claim · model-written summary
High salinity increased total soluble sugars and sucrose in mature leaves of Khao Dawk Mali 105.
- Taxon
- riceOryza sativat0
- Material
- Khao Dawk Mali 105e0
- Organ / stage
- mature leavese0
- Treatment
- high level of salinitye0
- Outcome
- total soluble sugars and sucrosee0
- Direction
- Accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Accumulation of total soluble sugars and sucrose in mature leaves were observed in cv. Khao Dawk Mali 105 exposed to high level of salinity”
t0“rice (Oryza sativa L.) cultivars”
Claim · model-written summary
Sugar and sucrose concentrations in Luang Anan remained the same as controls under salinity.
- Taxon
- riceOryza sativat0
- Material
- Luang Anane0
- Outcome
- total soluble sugars and sucrosee1
- Direction
- remained the samee0
- Comparator
- control plantse0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“their concentrations in cvs. Luang Anan and Pokkali remained the same as control plants”
e1“total soluble sugars and sucrose”
t0“rice (Oryza sativa L.) cultivars”
Claim · model-written summary
Sugar and sucrose concentrations in Pokkali remained the same as controls under salinity.
- Taxon
- riceOryza sativat0
- Material
- Pokkalie0
- Outcome
- total soluble sugars and sucrosee1
- Direction
- remained the samee0
- Comparator
- control plantse0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“their concentrations in cvs. Luang Anan and Pokkali remained the same as control plants”
e1“total soluble sugars and sucrose”
t0“rice (Oryza sativa L.) cultivars”
Claim · model-written summary
Salinity did not affect sucrose phosphate synthase activities in Khao Dawk Mali 105.
- Taxon
- riceOryza sativat0
- Material
- Khao Dawk Mali 105e1
- Treatment
- salinitye0
- Gene
- sucrose phosphate synthasee0
- Outcome
- activities of sucrose phosphate synthasee0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activities of sucrose phosphate synthase were not affected by salinity in this cultivar”
e1“in cv. Khao Dawk Mali 105 exposed”
t0“rice (Oryza sativa L.) cultivars”
Claim · model-written summary
Salinity induced starch accumulation in Pokkali.
- Taxon
- riceOryza sativat0
- Material
- Pokkalie0
- Treatment
- salinity stresse0
- Outcome
- accumulation of starche0
- Direction
- accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salinity stress induced an accumulation of starch in cv. Pokkali”
t0“rice (Oryza sativa L.) cultivars”
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See all 296 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.