Abstract
ABSTRACT An increase to 10 mM of the Ca2+ concentration in the growth medium of excised pea roots abolished the morphological changes caused by the presence of 120 mM NaCl and allowed an almost normal root elongation. The K+/Na+ ratio in the terminal segment of salt-mated roots was about 1/5 of that in controls. Addition of 10 mM Ca2+ resulted in a twofold increase of the K+/Na+ ratio in the terminal segment, but hardly altered this ratio in the other root segments. The importance of the meristematic region in the salt response of roots is emphasized.
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Claims 5
Claim · model-written summary
Increasing calcium to 10 mM abolished salt-induced morphological changes in excised pea roots.
- Taxon
- pea
Lathyrus oleraceuse0 - Organ / stage
- rootse0
- Treatment
- An increase to 10 mM of the Ca2+ concentratione0
- Outcome
- morphological changese0
- Direction
- abolishede0
- Comparator
- presence of 120 mM NaCle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An increase to 10 mM of the Ca2+ concentration in the growth medium of excised pea roots abolished the morphological changes caused by the presence of 120 mM NaCl”
Claim · model-written summary
Calcium allowed almost normal elongation of salt-exposed pea roots.
- Taxon
- peaLathyrus oleraceuse0
- Organ / stage
- rootse0
- Treatment
- An increase to 10 mM of the Ca2+ concentratione0
- Outcome
- root elongatione0
- Direction
- almost normale0
- Comparator
- presence of 120 mM NaCle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An increase to 10 mM of the Ca2+ concentration in the growth medium of excised pea roots abolished the morphological changes caused by the presence of 120 mM NaCl and allowed an almost normal root elongation”
Claim · model-written summary
The terminal-segment K+/Na+ ratio of salt-treated pea roots was about one fifth that of controls.
- Taxon
- peaLathyrus oleraceust0
- Organ / stage
- terminal segmente0
- Treatment
- salt-matede0
- Outcome
- K+/Na+ ratioe0
- Direction
- 1/5 of that in controlse0
- Value
- 1/5e0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The K+/Na+ ratio in the terminal segment of salt-mated roots was about 1/5 of that in controls.”
t0“pea roots”
Claim · model-written summary
Adding 10 mM calcium doubled the terminal-segment K+/Na+ ratio of pea roots.
- Taxon
- peaLathyrus oleraceust0
- Organ / stage
- terminal segmente0
- Treatment
- Addition of 10 mM Ca2+e0
- Outcome
- K+/Na+ ratioe0
- Direction
- increasee0
- Value
- twofolde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of 10 mM Ca2+ resulted in a twofold increase of the K+/Na+ ratio in the terminal segment”
t0“pea roots”
Claim · model-written summary
Adding calcium hardly changed the K+/Na+ ratio in other pea root segments.
- Taxon
- peaLathyrus oleraceust0
- Organ / stage
- other root segmentse0
- Treatment
- Addition of 10 mM Ca2+e0
- Outcome
- K+/Na+ ratioe0
- Direction
- hardly alterede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of 10 mM Ca2+ resulted in a twofold increase of the K+/Na+ ratio in the terminal segment, but hardly altered this ratio in the other root segments.”
t0“pea roots”
The same questions in other papers
calcium(2+) · growth · Lathyrus oleraceus (pea)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
salinity · physiology: ion balance · Lathyrus oleraceus (pea)Results agree
5 papers in the same direction as this paper
- no effect
- negative
- negative
2 papers more in this group
See all 6 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.