Abstract
Thirty-day-old seedlings of two jute species (Corchorus capsularis L. cv. JRC 212 and C. olitorius L. cv. JRO 632) were subjected to short-term salinity stress (160 and 200 mM NaCl for 1 and 2 d). Relative water content, leaf water potential, water uptake, transpiration rate, water retention, stomatal conductance, net photosynthetic rate and water use efficiency of both jute species decreased due to salinity stress. The decrease was greater in C. olitorius than in C. capsularis and with higher magnitude of stress. Greater accumulation of Na+ and Cl- and a lower ratio of K+/Na+ in the root and shoot of C. olitorius compared with C. capsularis were also recorded. Pretreatment of seedlings with kinetin (0.09 mM), glutamic acid (4 mM) and calcium nitrate (5 mM) for 24 h significantly improved net photosynthesis, transpiration and water use efficiency of salinity stressed plants, the effect being more marked in C. olitorius. Among the pre-treatment chemicals, calcium nitrate was most effective.
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Claims 9
Claim · model-written summary
Salt stress reduced water relations and gas exchange in both jute species.
- Taxon
- jute species
Corchorus capsularise0 - Treatment
- salinity stresse0
- Outcome
- Relative water content, leaf water potential, water uptakee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Relative water content, leaf water potential, water uptake, transpiration rate, water retention, stomatal conductance, net photosynthetic rate and water use efficiency of both jute species decreased due to salinity stress.”
Claim · model-written summary
Salt stress reduced transpiration, stomatal conductance and photosynthesis.
- Taxon
- jute speciesCorchorus capsularise0
- Treatment
- salinity stresse0
- Outcome
- transpiration rate, water retention, stomatal conductancee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“transpiration rate, water retention, stomatal conductance, net photosynthetic rate and water use efficiency of both jute species decreased due to salinity stress.”
Claim · model-written summary
Salt stress reduced net photosynthetic rate and water-use efficiency.
- Taxon
- jute speciesCorchorus capsularise0
- Treatment
- salinity stresse0
- Outcome
- net photosynthetic rate and water use efficiencye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“net photosynthetic rate and water use efficiency of both jute species decreased due to salinity stress.”
Claim · model-written summary
The salt-related decrease was greater in C. olitorius and at higher stress magnitude.
- Taxon
- C. olitorius
Corchorus olitoriuse0 - Treatment
- higher magnitude of stresse0
- Outcome
- decreasee0
- Direction
- greatere0
- Comparator
- C. capsularise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The decrease was greater in C. olitorius than in C. capsularis and with higher magnitude of stress.”
Claim · model-written summary
C. olitorius accumulated more sodium and chloride than C. capsularis.
- Taxon
- C. olitoriusCorchorus olitoriuse0
- Organ / stage
- root and shoote0
- Outcome
- accumulation of Na+ and Cl-e0
- Direction
- Greatere0
- Comparator
- C. capsularise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Greater accumulation of Na+ and Cl- and a lower ratio of K+/Na+ in the root and shoot of C. olitorius compared with C. capsularis were also recorded.”
Claim · model-written summary
C. olitorius had a lower root and shoot potassium-to-sodium ratio.
- Taxon
- C. olitoriusCorchorus olitoriuse0
- Organ / stage
- root and shoote0
- Outcome
- ratio of K+/Na+e0
- Direction
- lowere0
- Comparator
- C. capsularise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Greater accumulation of Na+ and Cl- and a lower ratio of K+/Na+ in the root and shoot of C. olitorius compared with C. capsularis were also recorded.”
Claim · model-written summary
Kinetin pretreatment improved photosynthesis, transpiration and water-use efficiency under salt stress.
- Taxon
- jute speciesCorchorus capsularist0
- Treatment
- kinetin (0.09 mM)e0
- Outcome
- net photosynthesis, transpiration and water use efficiencye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pretreatment of seedlings with kinetin (0.09 mM), glutamic acid (4 mM) and calcium nitrate (5 mM) for 24 h significantly improved net photosynthesis, transpiration and water use efficiency of salinity stressed plants, the effect being more marked in C. olitorius.”
t0“jute species”
Claim · model-written summary
Glutamic acid pretreatment improved the same physiological traits under salt stress.
- Taxon
- jute speciesCorchorus capsularist0
- Treatment
- glutamic acid (4 mM)e0
- Outcome
- net photosynthesis, transpiration and water use efficiencye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pretreatment of seedlings with kinetin (0.09 mM), glutamic acid (4 mM) and calcium nitrate (5 mM) for 24 h significantly improved net photosynthesis, transpiration and water use efficiency of salinity stressed plants, the effect being more marked in C. olitorius.”
t0“jute species”
Claim · model-written summary
Calcium nitrate pretreatment improved the same physiological traits and was most effective.
- Taxon
- jute speciesCorchorus capsularist0
- Treatment
- calcium nitrate (5 mM)e0
- Outcome
- net photosynthesis, transpiration and water use efficiencye0
- Direction
- improvede0
- Comparator
- pre-treatment chemicalse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pretreatment of seedlings with kinetin (0.09 mM), glutamic acid (4 mM) and calcium nitrate (5 mM) for 24 h significantly improved net photosynthesis, transpiration and water use efficiency of salinity stressed plants, the effect being more marked in C. olitorius. Among the pre-treatment chemicals, calcium nitrate was most effective.”
t0“jute species”
The same questions in other papers
salinity · physiology: photosynthesis · Corchorus capsularis (jute)Results agree
1 paper in the same direction as this paper
- negative
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.