Abstract
Abstract Drought and soil salinity are the main environmental stress factors affecting plant growth and development. A certain appropriate concentration of NaCl in the soil has been suggested to show a beneficial effect on halophyte and xerophyte growth, while drought could cause severe damage to plants. Thus, under drought conditions, whether the moderate soil salinity could still stimulate all plant growth and productivity is curious. In this study, three plants with different salt tolerance, including arrowleaf saltbush (Atriplex tr-iangularis Willd.), cotton (Gossypium hirsutum L.) and soybean [Glycine max (Linn.) Merr.], were sown in soils containing different concentrations of NaCl and exposed to drought and non-drought conditions for 30 days. The shoot biomass, water potential, osmotic potential, Na+ and K+ concentrations in seedlings were measured. Both drought and salt stress could inhibit the growth of arrowleaf saltbush, cotton and soybean, but the decreases in plant height and shoot biomass under drought conditions were attenuated with the increase of NaCl concentration. The Na+ concentration in the leaves subjected to combined drought and salt stresses was significantly higher than that in leaves subjected only to drought stress. Meanwhile, the osmotic potential of the leaves was significantly lower in the former than the latter, and the RWC and cell turgor pressure in the leaves were significantly higher in the former than the latter. Our results prove that the appropriate soil salinity could alleviate the detrimental effects of drought stress on the water status and plant growth, no matter they are salt-tolerant or salt-sensitive plants.
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Claims 15
Claim · model-written summary
Both drought and salt stress inhibited the growth of arrowleaf saltbush.
Not reportedComparator
Verbatim
e0“Both drought and salt stress could inhibit the growth of arrowleaf saltbush, cotton and soybean”
Claim · model-written summary
Both drought and salt stress inhibited the growth of cotton.
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- drought and salt stresse0
- Outcome
- growthe0
- Direction
- inhibite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both drought and salt stress could inhibit the growth of arrowleaf saltbush, cotton and soybean”
Claim · model-written summary
Both drought and salt stress inhibited the growth of soybean.
- Taxon
- soybean
Glycine maxe0 - Treatment
- drought and salt stresse0
- Outcome
- growthe0
- Direction
- inhibite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both drought and salt stress could inhibit the growth of arrowleaf saltbush, cotton and soybean”
Claim · model-written summary
In arrowleaf saltbush the decreases in plant height and shoot biomass under drought were attenuated as NaCl concentration increased.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“the decreases in plant height and shoot biomass under drought conditions were attenuated with the increase of NaCl concentration”
Claim · model-written summary
In cotton the decreases in plant height and shoot biomass under drought were attenuated as NaCl concentration increased.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- increase of NaCl concentratione1
- Outcome
- plant height and shoot biomasse1
- Direction
- attenuatede1
- Comparator
- drought conditionse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“the decreases in plant height and shoot biomass under drought conditions were attenuated with the increase of NaCl concentration”
Claim · model-written summary
In soybean the decreases in plant height and shoot biomass under drought were attenuated as NaCl concentration increased.
- Taxon
- soybeanGlycine maxe0
- Treatment
- increase of NaCl concentratione1
- Outcome
- plant height and shoot biomasse1
- Direction
- attenuatede1
- Comparator
- drought conditionse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“the decreases in plant height and shoot biomass under drought conditions were attenuated with the increase of NaCl concentration”
Claim · model-written summary
In arrowleaf saltbush the leaf Na+ concentration under combined drought and salt stress was significantly higher than under drought alone.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“leaves subjected to combined drought and salt stresses”
e2“leaves subjected only to drought stress”
e3“The Na+ concentration in the leaves subjected to combined drought and salt stresses was significantly higher than that in leaves subjected only to drought stress”
Claim · model-written summary
In cotton the leaf Na+ concentration under combined drought and salt stress was significantly higher than under drought alone.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- leavese3
- Treatment
- combined drought and salt stressese1
- Outcome
- Na+ concentratione3
- Direction
- highere3
- Comparator
- only to drought stresse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“leaves subjected to combined drought and salt stresses”
e2“leaves subjected only to drought stress”
e3“The Na+ concentration in the leaves subjected to combined drought and salt stresses was significantly higher than that in leaves subjected only to drought stress”
Claim · model-written summary
In soybean the leaf Na+ concentration under combined drought and salt stress was significantly higher than under drought alone.
- Taxon
- soybeanGlycine maxe0
- Organ / stage
- leavese3
- Treatment
- combined drought and salt stressese1
- Outcome
- Na+ concentratione3
- Direction
- highere3
- Comparator
- only to drought stresse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“leaves subjected to combined drought and salt stresses”
e2“leaves subjected only to drought stress”
e3“The Na+ concentration in the leaves subjected to combined drought and salt stresses was significantly higher than that in leaves subjected only to drought stress”
Claim · model-written summary
In arrowleaf saltbush the leaf osmotic potential under combined drought and salt stress was significantly lower than under drought alone.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“leaves subjected to combined drought and salt stresses”
e2“leaves subjected only to drought stress”
e3“the osmotic potential of the leaves was significantly lower in the former than the latter”
Claim · model-written summary
In cotton the leaf osmotic potential under combined drought and salt stress was significantly lower than under drought alone.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- leavese3
- Treatment
- combined drought and salt stressese1
- Outcome
- osmotic potentiale3
- Direction
- lowere3
- Comparator
- only to drought stresse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“leaves subjected to combined drought and salt stresses”
e2“leaves subjected only to drought stress”
e3“the osmotic potential of the leaves was significantly lower in the former than the latter”
Claim · model-written summary
In soybean the leaf osmotic potential under combined drought and salt stress was significantly lower than under drought alone.
- Taxon
- soybeanGlycine maxe0
- Organ / stage
- leavese3
- Treatment
- combined drought and salt stressese1
- Outcome
- osmotic potentiale3
- Direction
- lowere3
- Comparator
- only to drought stresse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“leaves subjected to combined drought and salt stresses”
e2“leaves subjected only to drought stress”
e3“the osmotic potential of the leaves was significantly lower in the former than the latter”
Claim · model-written summary
In arrowleaf saltbush the leaf RWC and cell turgor pressure under combined drought and salt stress were significantly higher than under drought alone.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“leaves subjected to combined drought and salt stresses”
e2“leaves subjected only to drought stress”
e3“the RWC and cell turgor pressure in the leaves were significantly higher in the former than the latter”
Claim · model-written summary
In cotton the leaf RWC and cell turgor pressure under combined drought and salt stress were significantly higher than under drought alone.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- leavese3
- Treatment
- combined drought and salt stressese1
- Outcome
- RWC and cell turgor pressuree3
- Direction
- highere3
- Comparator
- only to drought stresse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“leaves subjected to combined drought and salt stresses”
e2“leaves subjected only to drought stress”
e3“the RWC and cell turgor pressure in the leaves were significantly higher in the former than the latter”
Claim · model-written summary
In soybean the leaf RWC and cell turgor pressure under combined drought and salt stress were significantly higher than under drought alone.
- Taxon
- soybeanGlycine maxe0
- Organ / stage
- leavese3
- Treatment
- combined drought and salt stressese1
- Outcome
- RWC and cell turgor pressuree3
- Direction
- highere3
- Comparator
- only to drought stresse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“arrowleaf saltbush, cotton and soybean”
e1“leaves subjected to combined drought and salt stresses”
e2“leaves subjected only to drought stress”
e3“the RWC and cell turgor pressure in the leaves were significantly higher in the former than the latter”
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See all 108 papers →8 of 10 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.