Abstract
Abstract Research was conducted to determine the influences of salinity and Ca uptake on cell wall properties of cotton ( Gossypium hirsutum L.) roots. It was postulated that examination of cell wall properties might give insight on the role of Ca in moderating the influences of salinity and toxic ions on cellular stability and plant growth. Age and Ca are essential to the development of thick cell walls in the stele. Thick cell wails exhibit high birefringence under polarized light. Salinity reduced Ca uptake and concentration of cotton roots. Xylem and phloem cell walls of cotton roots grown in solutions with sufficient Ca and low salinity thickened and in about 70 hours, exhibited high birefringence. Young cell walls in the pericycle or laterals did not exhibit birefringence. Even at adequate level of Ca, salinity retarded the development of thick cell walls and high birefringence in the stele to about 140 hours. The time required to develop thick cell walls may determine cellular stability or breakdown. The birefringent properties of certain plant parts seem to offer opportunities to study cellular disorders in plants due to the stress conditions of Ca deficiency or salinity.
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Claims 5
Claim · model-written summary
Salinity reduced calcium uptake and concentration in cotton roots.
- Taxon
- cotton
Gossypium hirsutume1 - Organ / stage
- rootse1
- Treatment
- Salinitye1
- Outcome
- Ca uptake and concentratione1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Salinity reduced Ca uptake and concentration of cotton roots”
Claim · model-written summary
Xylem and phloem cell walls of cotton roots grown with sufficient Ca and low salinity thickened in about 70 hours and exhibited high birefringence.
- Taxon
- cottonGossypium hirsutume1
- Organ / stage
- Xylem and phloem cell wallse1
- Treatment
- sufficient Ca and low salinitye1
- Outcome
- thickenede1
- Value
- about 70 hourse1
- Qualifier
- exhibited high birefringencee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Xylem and phloem cell walls of cotton roots grown in solutions with sufficient Ca and low salinity thickened and in about 70 hours, exhibited high birefringence”
Claim · model-written summary
Young cell walls in the pericycle or laterals of cotton roots did not exhibit birefringence.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- pericycle or lateralse1
- Outcome
- birefringencee1
- Qualifier
- did not exhibite1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Young cell walls in the pericycle or laterals did not exhibit birefringence”
t0“Cell Wall Properties of Cotton Roots”
Claim · model-written summary
Even at adequate calcium, salinity retarded the development of thick stele cell walls in cotton roots until about 140 hours.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- stelee1
- Treatment
- salinitye1
- Outcome
- development of thick cell wallse1
- Direction
- retardede1
- Value
- about 140 hourse1
- Qualifier
- Even at adequate level of Cae1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Even at adequate level of Ca, salinity retarded the development of thick cell walls and high birefringence in the stele to about 140 hours”
t0“Cell Wall Properties of Cotton Roots”
Claim · model-written summary
Age and calcium are essential to the development of thick cell walls in the stele of cotton roots.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- stelee1
- Outcome
- development of thick cell wallse1
- Qualifier
- Age and Ca are essentiale1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Age and Ca are essential to the development of thick cell walls in the stele”
t0“Cell Wall Properties of Cotton Roots”
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See all 108 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.