Abstract
AbstractSuaeda aegyptiaca is an important native annual halophyte in salt-affected soils around coastal areas of the Persian Gulf. In order to study the effects of different levels of saturation paste soil salinity (10, 20, 40, 60, and 80 dS m−1) and nitrogen supply (25, 50, and 75 mg kg−1 N as urea) on growth and physiological characteristic of S. aegyptiaca, a greenhouse factorial experiment in completely randomized design was conducted with three replications. Salinity treatments were established after early growth of plants and nitrogen was applied in two steps. Results showed that increasing salinity up to 20 dS m−1 led to increase in dry weight (DW) of plants and this decreased by increasing salinity. Also, DW of plants was significantly increased by application of 75 mg kg−1 nitrogen. Increasing salinity significantly decreased plant height, chlorophyll index, and total nitrogen content; while proline content and total soluble solids (TSS) were significantly increased. The electrolyte leakage (EL) and sodium concentration were increased under salinity stress. However, further increase in salinity decreased these two parameters. By increasing the nitrogen levels, relative water content (RWC), chlorophyll index, proline, and total nitrogen contents were increased, whereas EL was decreased.Keywords: electrolyte leakagedry weightprolinesalt stressrelative water content
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Claims 10
Claim · model-written summary
Salinity up to 20 dS m−1 increased dry weight of Suaeda aegyptiaca in a greenhouse experiment.
- Taxon
- Suaeda aegyptiaca
Suaeda aegyptiacae0 - Treatment
- increasing salinity up to 20 dS m−1e2
- Outcome
- dry weight (DW) of plantse2
- Direction
- increasee2
- Setting
- greenhousee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Suaeda aegyptiaca is an important native annual halophyte”
e1“a greenhouse factorial experiment in completely randomized design was conducted”
e2“Results showed that increasing salinity up to 20 dS m−1 led to increase in dry weight (DW) of plants and this decreased by increasing salinity”
Claim · model-written summary
Dry weight of Suaeda aegyptiaca decreased as salinity was increased further.
- Taxon
- Suaeda aegyptiacaSuaeda aegyptiacae0
- Treatment
- increasing salinitye2
- Outcome
- dry weight (DW) of plantse2
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Suaeda aegyptiaca is an important native annual halophyte”
e2“Results showed that increasing salinity up to 20 dS m−1 led to increase in dry weight (DW) of plants and this decreased by increasing salinity”
Claim · model-written summary
Application of 75 mg kg−1 nitrogen significantly increased dry weight of Suaeda aegyptiaca.
- Taxon
- Suaeda aegyptiacaSuaeda aegyptiacae0
- Treatment
- application of 75 mg kg−1 nitrogene3
- Outcome
- DW of plantse3
- Direction
- significantly increasede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Suaeda aegyptiaca is an important native annual halophyte”
e3“Also, DW of plants was significantly increased by application of 75 mg kg−1 nitrogen”
Claim · model-written summary
Increasing salinity significantly decreased plant height, chlorophyll index and total nitrogen content of Suaeda aegyptiaca.
- Taxon
- Suaeda aegyptiacaSuaeda aegyptiacae0
- Treatment
- Increasing salinitye4
- Outcome
- plant height, chlorophyll index, and total nitrogen contente4
- Direction
- significantly decreasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Suaeda aegyptiaca is an important native annual halophyte”
e4“Increasing salinity significantly decreased plant height, chlorophyll index, and total nitrogen content; while proline content and total soluble solids (TSS) were significantly increased”
Claim · model-written summary
Increasing salinity significantly increased proline content and total soluble solids of Suaeda aegyptiaca.
- Taxon
- Suaeda aegyptiacaSuaeda aegyptiacae0
- Treatment
- Increasing salinitye4
- Outcome
- proline content and total soluble solids (TSS)e4
- Direction
- significantly increasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Suaeda aegyptiaca is an important native annual halophyte”
e4“Increasing salinity significantly decreased plant height, chlorophyll index, and total nitrogen content; while proline content and total soluble solids (TSS) were significantly increased”
Claim · model-written summary
Salinity stress increased electrolyte leakage and sodium concentration in Suaeda aegyptiaca.
- Taxon
- Suaeda aegyptiacaSuaeda aegyptiacae0
- Treatment
- salinity stresse5
- Outcome
- electrolyte leakage (EL) and sodium concentratione5
- Direction
- increasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Suaeda aegyptiaca is an important native annual halophyte”
e5“The electrolyte leakage (EL) and sodium concentration were increased under salinity stress”
Claim · model-written summary
Further increase in salinity decreased electrolyte leakage and sodium concentration in Suaeda aegyptiaca.
- Taxon
- Suaeda aegyptiacaSuaeda aegyptiacae0
- Treatment
- further increase in salinitye6
- Outcome
- electrolyte leakage (EL) and sodium concentratione5
- Direction
- decreasede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Suaeda aegyptiaca is an important native annual halophyte”
e5“The electrolyte leakage (EL) and sodium concentration were increased under salinity stress”
e6“However, further increase in salinity decreased these two parameters”
Claim · model-written summary
Increasing nitrogen levels increased relative water content and chlorophyll index of Suaeda aegyptiaca.
- Taxon
- Suaeda aegyptiacaSuaeda aegyptiacae0
- Treatment
- increasing the nitrogen levelse7
- Outcome
- relative water content (RWC), chlorophyll indexe7
- Direction
- increasede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Suaeda aegyptiaca is an important native annual halophyte”
e7“By increasing the nitrogen levels, relative water content (RWC), chlorophyll index, proline, and total nitrogen contents were increased, whereas EL was decreased”
Claim · model-written summary
Increasing nitrogen levels increased proline and total nitrogen content of Suaeda aegyptiaca.
- Taxon
- Suaeda aegyptiacaSuaeda aegyptiacae0
- Treatment
- increasing the nitrogen levelse7
- Outcome
- proline, and total nitrogen contentse7
- Direction
- increasede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Suaeda aegyptiaca is an important native annual halophyte”
e7“By increasing the nitrogen levels, relative water content (RWC), chlorophyll index, proline, and total nitrogen contents were increased, whereas EL was decreased”
Claim · model-written summary
Increasing nitrogen levels decreased electrolyte leakage (EL) of Suaeda aegyptiaca.
- Taxon
- Suaeda aegyptiacaSuaeda aegyptiacae0
- Treatment
- increasing the nitrogen levelse7
- Outcome
- ELe7
- Direction
- decreasede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Suaeda aegyptiaca is an important native annual halophyte”
e7“By increasing the nitrogen levels, relative water content (RWC), chlorophyll index, proline, and total nitrogen contents were increased, whereas EL was decreased”
The same questions in other papers
salinity · growth · Suaeda aegyptiacaPositive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
- positive
1 paper more in this group
See all 5 papers →nitrogen · growth · Suaeda aegyptiacaResults agree
1 paper in the same direction as this paper
- positive
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.