Abstract
Dry matter partitioning,root characteristics,chlorophyll content,free proline content and root activity were investigated in potted seedlings of winter wheat(Triticum aestivum L.)cultivars(Zhoumai18 and Yumai49)with Hoagland solution and Hoagland adding 100,250,350,and 450 mmol/L NaCl,respectively.The results showed that leaf area,aboveground dry weight and root length in both cultivars significantly decreased in a salinity concentration-dependent manner.In contrast,root characteristics parameters(ie.dry weight,diameter,surface area,volume),root activity and chlorophyll content expressed a trace with a peak at 250mmol/L NaCl;Chla /Chlb ratio were positively correlated with soil salinity.Proline content was higher and fluctuated much more in Zhoumai18 than in Yumai49,and 350 mmol/L NaCl increased the proline content by 1.5 times vs control.The threshold of salinity tolerance was somewhere between 250 and 350 mmol/L in winter wheat under study.
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Claims 8
Claim · model-written summary
Leaf area, shoot dry weight and root length decreased significantly with salinity in both cultivars.
- Taxon
- winter wheat
Triticum aestivumt0 - Treatment
- salinitye0
- Outcome
- leaf area,aboveground dry weight and root lengthe0
- Direction
- decreasede0
- Qualifier
- both cultivarse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf area,aboveground dry weight and root length in both cultivars significantly decreased in a salinity concentration-dependent manner.”
t0“winter wheat seedlings”
Claim · model-written summary
Root dry weight, diameter, surface area and volume peaked at 250mmol/L NaCl.
- Taxon
- winter wheatTriticum aestivumt0
- Organ / stage
- roote0
- Treatment
- 250mmol/L NaCle0
- Outcome
- root characteristics parameters(ie.dry weight,diameter,surface area,volume)e0
- Direction
- peake0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root characteristics parameters(ie.dry weight,diameter,surface area,volume),root activity and chlorophyll content expressed a trace with a peak at 250mmol/L NaCl”
t0“winter wheat seedlings”
Claim · model-written summary
Root activity peaked at 250mmol/L NaCl.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- 250mmol/L NaCle0
- Outcome
- root activitye0
- Direction
- peake0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root activity and chlorophyll content expressed a trace with a peak at 250mmol/L NaCl”
t0“winter wheat seedlings”
Claim · model-written summary
Chlorophyll content peaked at 250mmol/L NaCl.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- 250mmol/L NaCle0
- Outcome
- chlorophyll contente0
- Direction
- peake0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chlorophyll content expressed a trace with a peak at 250mmol/L NaCl”
t0“winter wheat seedlings”
Claim · model-written summary
Chla /Chlb ratio correlated positively with soil salinity.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- soil salinitye0
- Outcome
- Chla /Chlb ratioe0
- Direction
- positively correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chla /Chlb ratio were positively correlated with soil salinity.”
t0“winter wheat seedlings”
Claim · model-written summary
Zhoumai18 had higher and more variable proline content than Yumai49.
- Taxon
- winter wheatTriticum aestivumt0
- Material
- Zhoumai18e0
- Outcome
- Proline contente0
- Direction
- highere0
- Comparator
- Yumai49e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Proline content was higher and fluctuated much more in Zhoumai18 than in Yumai49”
t0“winter wheat seedlings”
Claim · model-written summary
At 350 mmol/L NaCl, proline content increased 1.5 times relative to control.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- 350 mmol/L NaCle0
- Outcome
- proline contente0
- Direction
- increasede0
- Value
- 1.5 timese0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“350 mmol/L NaCl increased the proline content by 1.5 times vs control.”
t0“winter wheat seedlings”
Claim · model-written summary
The authors place the salinity tolerance threshold between 250 and 350 mmol/L.
- Taxon
- winter wheatTriticum aestivume0
- Outcome
- threshold of salinity tolerancee0
- Value
- between 250 and 350 mmol/Le0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The threshold of salinity tolerance was somewhere between 250 and 350 mmol/L in winter wheat under study.”
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