Abstract
Wheat plants (Triticm aestirvum L.cv. Sakha 8) were treated with some bioregulators (proline 10& 20ppm) , Salicylic acid (50 & 100 ppm) and paclobutrazol (25ppm) ) with three salinity levels (0, 1000and 6000 ppm NaCl). The results showed that, without bioregulators application, increasing NaCl levels increased root / shoot ratio to be 5 fold at 6000 ppm higher than control treatment. Adding the bioregulators obviously decreased the root/ shoot ratio under salt stress. Similar trend was detected for the grains yield (g) plant-1 at harvest stage. Whereas, the highest level of salinity caused a decrease of grain yield (g) plant-1 around 14 times lower than that obtained from control treatment. Meanwhile the bioregulator treatments reduces the harmful effect of salinity on grain yield (g) plant-1. Paclobutrazol gave the best positive effect under the highest salinity level but proline at 20 ppm concentration gave the lowest positive effect on the grain yield (g) plant-1 under the highest salinity level. Some physiological parameters such as total chlorophyll, total soluble sugars , free amino acids , indoles , phenols , proline, K and Na contents in leaves were tested as a physiological markers of wheat plants grown under salt stress. The results showed that, the K/Na ratio and indole content in leaves could be used as physiological markers for wheat plants grown under salt stress.
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Claims 8
Claim · model-written summary
Increasing NaCl without bioregulators increased wheat root/shoot ratio to fivefold the control at 6000 ppm.
- Taxon
- Wheat plants
Triticum aestivume0 - Material
- Sakha 8e0
- Treatment
- increasing NaCl levelse1
- Outcome
- root / shoot ratioe1
- Direction
- increasede1
- Value
- 5 folde1
- Qualifier
- at 6000 ppme1
- Comparator
- control treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat plants (Triticm aestirvum L.cv. Sakha 8)”
e1“without bioregulators application, increasing NaCl levels increased root / shoot ratio to be 5 fold at 6000 ppm higher than control treatment”
Claim · model-written summary
Bioregulators decreased wheat root/shoot ratio under salt stress.
- Taxon
- Wheat plantsTriticum aestivume0
- Treatment
- bioregulatorse1
- Outcome
- root/ shoot ratioe1
- Direction
- decreasede1
- Qualifier
- under salt stresse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat plants (Triticm aestirvum L.cv. Sakha 8)”
e1“Adding the bioregulators obviously decreased the root/ shoot ratio under salt stress.”
Claim · model-written summary
At the highest salinity, wheat grain yield per plant was around fourteen times lower than the control.
- Taxon
- Wheat plantsTriticum aestivume0
- Treatment
- highest level of salinitye1
- Outcome
- grain yield (g) plant-1e1
- Direction
- lowere1
- Value
- 14 timese1
- Comparator
- control treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat plants (Triticm aestirvum L.cv. Sakha 8)”
e1“the highest level of salinity caused a decrease of grain yield (g) plant-1 around 14 times lower than that obtained from control treatment.”
Claim · model-written summary
Bioregulator treatments reduced the harmful effect of salinity on wheat grain yield per plant.
- Taxon
- Wheat plantsTriticum aestivume0
- Treatment
- bioregulator treatmentse1
- Outcome
- harmful effect of salinity on grain yield (g) plant-1e1
- Direction
- reducese1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat plants (Triticm aestirvum L.cv. Sakha 8)”
e1“the bioregulator treatments reduces the harmful effect of salinity on grain yield (g) plant-1.”
Claim · model-written summary
Paclobutrazol gave the best positive grain yield effect under the highest salinity.
- Taxon
- Wheat plantsTriticum aestivume0
- Treatment
- Paclobutrazole1
- Outcome
- grain yield (g) plant-1e1
- Direction
- best positive effecte1
- Qualifier
- under the highest salinity levele1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat plants (Triticm aestirvum L.cv. Sakha 8)”
e1“Paclobutrazol gave the best positive effect under the highest salinity level but proline at 20 ppm concentration gave the lowest positive effect on the grain yield (g) plant-1 under the highest salinity level.”
Claim · model-written summary
Proline at 20 ppm gave the lowest positive grain yield effect under the highest salinity.
- Taxon
- Wheat plantsTriticum aestivume0
- Treatment
- proline at 20 ppme1
- Outcome
- grain yield (g) plant-1e1
- Direction
- lowest positive effecte1
- Qualifier
- under the highest salinity levele1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat plants (Triticm aestirvum L.cv. Sakha 8)”
e1“Paclobutrazol gave the best positive effect under the highest salinity level but proline at 20 ppm concentration gave the lowest positive effect on the grain yield (g) plant-1 under the highest salinity level.”
Claim · model-written summary
Leaf K/Na ratio could serve as a physiological marker for salt-stressed wheat.
- Taxon
- Wheat plantsTriticum aestivume0e1
- Outcome
- K/Na ratioe1
- Qualifier
- grown under salt stresse1
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat plants (Triticm aestirvum L.cv. Sakha 8)”
e1“the K/Na ratio and indole content in leaves could be used as physiological markers for wheat plants grown under salt stress.”
Claim · model-written summary
Leaf indole content could serve as a physiological marker for salt-stressed wheat.
- Taxon
- Wheat plantsTriticum aestivume0e1
- Outcome
- indole contente1
- Qualifier
- grown under salt stresse1
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat plants (Triticm aestirvum L.cv. Sakha 8)”
e1“the K/Na ratio and indole content in leaves could be used as physiological markers for wheat plants grown under salt stress.”
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