Abstract
Abstract To invertigate the relationship between salt tolerance and plant mineral status in celery (Apium graveolens L.) growth and the concentration of nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), sodium (Na), and chloride (Cl) in different tissues were determined in plants grown in hydroculture with nutrient solutions containing 5 (control), 50,100, and 300 mM sodium chloride (NaCl) for four weeks. At salinity levels of 50 and 100 mM NaCl, there was a moderate, albeit significantly, reduction of growth, while a drastic decrease in both fresh and dry weight was obtained at 300 mM NaCl. Regardless of the salinity level, growth resumed promptly and completely once the stress was ceased. Sodium chloride stress reduced the accumulation of nitrate (NO3)‐N in all plant tissues, but there were no relevant effects on the concentration of reduced N and P. The concentration of K in roots and leaf petioles was unaffected by NaCl treatment, but it gradually declined with increasing salinity in leaf blades. This reduction was less pronounced in the young leaves as compared to the mature ones. Increasing the NaCl concentration decreased the concentration of Ca in all tissues, but it prevented the occurrence of black‐heart, a typical Ca‐related physiological disorder which affected severely the controls. Salt‐stressed plants absorbed large amounts of Na and Cl which accumulated in the mature leaves, particularly in the oldest leaves. These findings suggest that the relatively high salt tolerance of celery relies on the ability to maintain an adequate nutritional status and to protect the shoot meristem from salt toxicity.
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Claims 10
Claim · model-written summary
At 50 and 100 mM NaCl, celery growth was moderately but significantly reduced.
- Taxon
- celery
%2C_Elswick%2C_Northumberland_4.jpg?width=60)
Apium graveolens Dulce Groupt0 - Treatment
- 50 and 100 mM NaCle0
- Outcome
- growthe0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
%2C_Elswick%2C_Northumberland_4.jpg?width=500)
Verbatim
e0“At salinity levels of 50 and 100 mM NaCl, there was a moderate, albeit significantly, reduction of growth”
t0“celery”
Claim · model-written summary
At 300 mM NaCl, fresh and dry weight decreased drastically.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Treatment
- 300 mM NaCle0
- Outcome
- fresh and dry weighte0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a drastic decrease in both fresh and dry weight was obtained at 300 mM NaCl”
t0“celery”
Claim · model-written summary
Growth resumed completely when salinity stress ceased.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Outcome
- growthe0
- Direction
- resumed promptly and completelye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Regardless of the salinity level, growth resumed promptly and completely once the stress was ceased.”
t0“celery”
Claim · model-written summary
Salt stress reduced nitrate-N accumulation in all tissues.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Organ / stage
- all plant tissuese0
- Treatment
- Sodium chloride stresse0
- Outcome
- accumulation of nitrate (NO3)‐Ne0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sodium chloride stress reduced the accumulation of nitrate (NO3)‐N in all plant tissues”
t0“celery”
Claim · model-written summary
Salt stress had no relevant effect on reduced N and P concentrations.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Treatment
- Sodium chloride stresse0
- Outcome
- concentration of reduced N and Pe0
- Direction
- no relevant effectse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sodium chloride stress reduced the accumulation of nitrate (NO3)‐N in all plant tissues, but there were no relevant effects on the concentration of reduced N and P.”
t0“celery”
Claim · model-written summary
NaCl did not affect K concentration in roots and leaf petioles.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Organ / stage
- roots and leaf petiolese0
- Treatment
- NaCl treatmente0
- Outcome
- concentration of Ke0
- Direction
- unaffectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The concentration of K in roots and leaf petioles was unaffected by NaCl treatment”
t0“celery”
Claim · model-written summary
Increasing salinity reduced K concentration in leaf blades, less so in young than mature leaves.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Organ / stage
- leaf bladese0
- Treatment
- increasing salinitye0
- Outcome
- concentration of Ke0
- Direction
- declinede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The concentration of K in roots and leaf petioles was unaffected by NaCl treatment, but it gradually declined with increasing salinity in leaf blades. This reduction was less pronounced in the young leaves as compared to the mature ones.”
t0“celery”
Claim · model-written summary
Increasing NaCl reduced Ca concentration in all tissues.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Treatment
- NaCl concentratione0
- Outcome
- concentration of Cae0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing the NaCl concentration decreased the concentration of Ca in all tissues”
t0“celery”
Claim · model-written summary
NaCl prevented black-heart, which severely affected controls.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Treatment
- NaCl concentratione0
- Outcome
- occurrence of black‐hearte0
- Direction
- preventede0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing the NaCl concentration decreased the concentration of Ca in all tissues, but it prevented the occurrence of black‐heart, a typical Ca‐related physiological disorder which affected severely the controls.”
t0“celery”
Claim · model-written summary
Salt-stressed plants absorbed much Na and Cl, which accumulated especially in oldest leaves.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Organ / stage
- oldest leavese0
- Outcome
- Na and Cle0
- Qualifier
- Salt‐stressed plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt‐stressed plants absorbed large amounts of Na and Cl which accumulated in the mature leaves, particularly in the oldest leaves.”
t0“celery”
The same questions in other papers
sodium chloride · growth · Apium graveolensResults differ
6 papers in the same direction as this paper · 4 in the opposite direction
- positive
- negative
- negative
7 papers more in this group
See all 11 papers →sodium chloride · nutrient: content · Apium graveolensResults 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.