Abstract
Greenhouse experiments were conducted to assess the effects of soil salinity on emergence, growth, water content, proline content and mineral accumulation of seedlings of Ziziphus mauritiana Lam. (Rhamnaceae). Sodium chloride (NaCl) was added to the soil to maintain electric conductivity at 0.3, 3.9, 6.0, 7.9, 10.0 and 11.9 dSm -1 . Salinity caused reduction in seedling emergence, water content and water potential of seedling organs (leaves, stems, tap roots and lateral roots). Consequently, shoot and root elongation, leaf expansion and dry matter accumulation in seedling organs significantly decreased while proline content increased with increasing soil salinity. A significant increase of K content in all organs of the seedlings with increasing soil salinity evinced high selectivity of this tree species for K + . There were no effective mechanisms to control net uptake of Na on root plasma membrane and subsequently its transport to shoot tissue. Nitrogen, phosphorus, calcium and magnesium content in seedling organs significantly decreased as soil salinity increased. Changes in both organs and whole-plant accumulation patterns of nutrients, as well as possible mechanisms for avoidance of Na toxicity in this tree species in response to salinity, are discussed.
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Claims 9
Claim · model-written summary
Salinity reduced seedling emergence, water content and water potential of Ziziphus mauritiana seedlings.
- Taxon
- Ziziphus mauritiana
Ziziphus mauritianae1 - Treatment
- Salinitye2
- Outcome
- seedling emergence, water content and water potentiale2
- Direction
- reductione2
- Setting
- Greenhouse experimentse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Greenhouse experiments were conducted to assess the effects of soil salinity on emergence, growth, water content, proline content and mineral accumulation of seedlings of Ziziphus mauritiana Lam”
e2“Salinity caused reduction in seedling emergence, water content and water potential of seedling organs (leaves, stems, tap roots and lateral roots)”
Claim · model-written summary
Increasing soil salinity significantly decreased shoot and root elongation and leaf expansion of Ziziphus mauritiana seedlings.
- Taxon
- Ziziphus mauritianaZiziphus mauritianae1
- Treatment
- increasing soil salinitye3
- Outcome
- shoot and root elongation, leaf expansione3
- Direction
- decreasede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Greenhouse experiments were conducted to assess the effects of soil salinity on emergence, growth, water content, proline content and mineral accumulation of seedlings of Ziziphus mauritiana Lam”
e3“Consequently, shoot and root elongation, leaf expansion and dry matter accumulation in seedling organs significantly decreased while proline content increased with increasing soil salinity”
Claim · model-written summary
Increasing soil salinity significantly decreased dry matter accumulation in Ziziphus mauritiana seedling organs.
- Taxon
- Ziziphus mauritianaZiziphus mauritianae1
- Treatment
- increasing soil salinitye3
- Outcome
- dry matter accumulatione3
- Direction
- decreasede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Greenhouse experiments were conducted to assess the effects of soil salinity on emergence, growth, water content, proline content and mineral accumulation of seedlings of Ziziphus mauritiana Lam”
e3“Consequently, shoot and root elongation, leaf expansion and dry matter accumulation in seedling organs significantly decreased while proline content increased with increasing soil salinity”
Claim · model-written summary
Proline content of Ziziphus mauritiana seedlings increased with increasing soil salinity.
- Taxon
- Ziziphus mauritianaZiziphus mauritianae1
- Treatment
- increasing soil salinitye3
- Outcome
- proline contente3
- Direction
- increasede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Greenhouse experiments were conducted to assess the effects of soil salinity on emergence, growth, water content, proline content and mineral accumulation of seedlings of Ziziphus mauritiana Lam”
e3“Consequently, shoot and root elongation, leaf expansion and dry matter accumulation in seedling organs significantly decreased while proline content increased with increasing soil salinity”
Claim · model-written summary
Potassium content in all organs of the seedlings increased significantly with increasing soil salinity.
- Taxon
- Ziziphus mauritianaZiziphus mauritianae1
- Organ / stage
- all organs of the seedlingse4
- Treatment
- increasing soil salinitye4
- Outcome
- K contente4
- Direction
- increasee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Greenhouse experiments were conducted to assess the effects of soil salinity on emergence, growth, water content, proline content and mineral accumulation of seedlings of Ziziphus mauritiana Lam”
e4“A significant increase of K content in all organs of the seedlings with increasing soil salinity”
Claim · model-written summary
The tree species shows high selectivity for K+ over Na+ during salinity.
- Taxon
- Ziziphus mauritianaZiziphus mauritianae1
- Compound
- K +e5
- Outcome
- high selectivitye5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Greenhouse experiments were conducted to assess the effects of soil salinity on emergence, growth, water content, proline content and mineral accumulation of seedlings of Ziziphus mauritiana Lam”
e5“evinced high selectivity of this tree species for K +”
Claim · model-written summary
The seedlings had no effective mechanism to control net uptake of Na at the root plasma membrane or its transport to shoots.
- Taxon
- Ziziphus mauritianaZiziphus mauritianae1
- Compound
- Nae6
- Outcome
- net uptake of Nae6
- Qualifier
- no effective mechanismse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Greenhouse experiments were conducted to assess the effects of soil salinity on emergence, growth, water content, proline content and mineral accumulation of seedlings of Ziziphus mauritiana Lam”
e6“There were no effective mechanisms to control net uptake of Na on root plasma membrane and subsequently its transport to shoot tissue”
Claim · model-written summary
Increasing soil salinity significantly decreased nitrogen, phosphorus and calcium content in seedling organs.
- Taxon
- Ziziphus mauritianaZiziphus mauritianae1
- Organ / stage
- seedling organse7
- Treatment
- soil salinitye7
- Outcome
- Nitrogen, phosphorus, calciume7
- Direction
- decreasede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Greenhouse experiments were conducted to assess the effects of soil salinity on emergence, growth, water content, proline content and mineral accumulation of seedlings of Ziziphus mauritiana Lam”
e7“Nitrogen, phosphorus, calcium and magnesium content in seedling organs significantly decreased as soil salinity increased”
Claim · model-written summary
Increasing soil salinity significantly decreased magnesium content in seedling organs.
- Taxon
- Ziziphus mauritianaZiziphus mauritianae1
- Organ / stage
- seedling organse7
- Treatment
- soil salinitye7
- Outcome
- magnesium contente7
- Direction
- decreasede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Greenhouse experiments were conducted to assess the effects of soil salinity on emergence, growth, water content, proline content and mineral accumulation of seedlings of Ziziphus mauritiana Lam”
e7“Nitrogen, phosphorus, calcium and magnesium content in seedling organs significantly decreased as soil salinity increased”
The same questions in other papers
salinity · nutrient: content · Ziziphus mauritiana (ber)Results agree
1 paper in the same direction as this paper
- no effect
salinity · physiology: water · Ziziphus mauritiana (ber)Results agree
1 paper in the same direction as this paper
- negative
salinity · growth · Ziziphus mauritiana (ber)Results agree
2 papers in the same direction as this paper
- negative
- negative
salinity · yield · Ziziphus mauritiana (ber)Results agree
2 papers in the same direction as this paper
- negative
- 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.