Abstract
In this research, the salt tolerance of salt-tolerant (Avcı-2002) and salt-sensitive (Tokak 157/37) barley cultivars were analyzed. The seedlings were grown in a hydroponic culture containing 0, 100, 200 and 300 mM NaCl. The decrease in dry weight was more significant in Tokak 157/37 than in Avcı-2002. On the other hand, no significant correlations were found between the altered δ-aminolevulinic acid dehydratase (ALAD) activity and the chlorophyll content. The chlorophyll and carotenoid contents in leaves of Avcı-2002 decreased significantly at only 300 mM NaCl, whereas the pigment contents of Tokak 157/37 decreased at all NaCl concentrations. The increase in proline content was significantly higher in Avcı-2002 than in Tokak 157/37 at 300 mM NaCl. The lipid peroxidation level measured in terms of malondialdehyde (MDA) content was higher in Tokak 157/37 than in Avcı-2002. Salt stress caused significant increases in superoxide dismutase (SOD), guaiacol peroxidase (POD), ascorbate peroxidase (APX) and catalase (CAT) activity. However, Avcı-2002 had relatively lower SOD and CAT activities and higher POD and APX activities than Tokak 157/37. As a result, dry weight, pigments content, proline content, lipid peroxidation and activities of POD and APX results are in good correlation with supporting Avcı-2002 being relatively salt-tolerant.
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Claims 11
Claim · model-written summary
Dry weight decreased more in Tokak 157/37 than in Avcı-2002.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaret0 - Material
- Tokak 157/37e0
- Outcome
- dry weighte0
- Direction
- decreasee0
- Comparator
- Avcı-2002e0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The decrease in dry weight was more significant in Tokak 157/37 than in Avcı-2002”
t0“barley cultivars”
Claim · model-written summary
ALAD activity and chlorophyll content were not significantly correlated.
- Taxon
- barleyHordeum vulgaret0
- Gene
- δ-aminolevulinic acid dehydratase (ALAD)e0
- Outcome
- chlorophyll contente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant correlations were found between the altered δ-aminolevulinic acid dehydratase (ALAD) activity and the chlorophyll content”
t0“barley cultivars”
Claim · model-written summary
Leaf chlorophyll and carotenoid contents in Avcı-2002 decreased significantly only at 300 mM NaCl.
- Taxon
- barleyHordeum vulgaret0
- Material
- Avcı-2002e0
- Organ / stage
- leavese0
- Treatment
- 300 mM NaCle0
- Outcome
- chlorophyll and carotenoid contentse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The chlorophyll and carotenoid contents in leaves of Avcı-2002 decreased significantly at only 300 mM NaCl”
t0“barley cultivars”
Claim · model-written summary
Pigment contents in Tokak 157/37 decreased at all NaCl concentrations.
- Taxon
- barleyHordeum vulgaret0
- Material
- Tokak 157/37e0
- Treatment
- all NaCl concentrationse0
- Outcome
- pigment contentse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the pigment contents of Tokak 157/37 decreased at all NaCl concentrations”
t0“barley cultivars”
Claim · model-written summary
At 300 mM NaCl, proline increased more in Avcı-2002 than Tokak 157/37.
- Taxon
- barleyHordeum vulgaret0
- Material
- Avcı-2002e0
- Treatment
- 300 mM NaCle0
- Outcome
- proline contente0
- Direction
- highere0
- Comparator
- Tokak 157/37e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increase in proline content was significantly higher in Avcı-2002 than in Tokak 157/37 at 300 mM NaCl”
t0“barley cultivars”
Claim · model-written summary
MDA content was higher in Tokak 157/37 than Avcı-2002.
- Taxon
- barleyHordeum vulgaret0
- Material
- Tokak 157/37e0
- Outcome
- malondialdehyde (MDA) contente0
- Direction
- highere0
- Comparator
- Avcı-2002e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“malondialdehyde (MDA) content was higher in Tokak 157/37 than in Avcı-2002”
t0“barley cultivars”
Claim · model-written summary
Salt stress significantly increased SOD, POD and APX activity.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- Salt stresse0
- Outcome
- superoxide dismutase (SOD), guaiacol peroxidase (POD), ascorbate peroxidase (APX)e0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress caused significant increases in superoxide dismutase (SOD), guaiacol peroxidase (POD), ascorbate peroxidase (APX) and catalase (CAT) activity”
t0“barley cultivars”
Claim · model-written summary
Salt stress significantly increased CAT activity.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- Salt stresse0
- Outcome
- catalase (CAT) activitye0
- Direction
- increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress caused significant increases in superoxide dismutase (SOD), guaiacol peroxidase (POD), ascorbate peroxidase (APX) and catalase (CAT) activity”
t0“barley cultivars”
Claim · model-written summary
Avcı-2002 had lower SOD and CAT activities than Tokak 157/37.
- Taxon
- barleyHordeum vulgaret0
- Material
- Avcı-2002e0
- Outcome
- SOD and CAT activitiese0
- Direction
- lowere0
- Comparator
- Tokak 157/37e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avcı-2002 had relatively lower SOD and CAT activities and higher POD and APX activities than Tokak 157/37”
t0“barley cultivars”
Claim · model-written summary
Avcı-2002 had higher POD and APX activities than Tokak 157/37.
- Taxon
- barleyHordeum vulgaret0
- Material
- Avcı-2002e0
- Outcome
- POD and APX activitiese0
- Direction
- highere0
- Comparator
- Tokak 157/37e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Avcı-2002 had relatively lower SOD and CAT activities and higher POD and APX activities than Tokak 157/37”
t0“barley cultivars”
Claim · model-written summary
The measured responses supported Avcı-2002 being relatively salt tolerant.
- Taxon
- barleyHordeum vulgaret0
- Material
- Avcı-2002e0
- Outcome
- relatively salt-tolerante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry weight, pigments content, proline content, lipid peroxidation and activities of POD and APX results are in good correlation with supporting Avcı-2002 being relatively salt-tolerant”
t0“barley cultivars”
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