Abstract
Salinity is a phenomenon challenging the plantation and growth of grape in arid and semiarid regions. During the present research, tolerance of two grape cultivars(Flame Seedless and Perlette) was evaluated against various sodium chloride salinity levels (0, 25, 50, 75 and 100 mM) and the effect of Epibrassinolide(EBR)(0, 3 and 6 µM) and Methyle Jasmonate(MeJA)(0, 3 and 6 mM) surveyed at these conditions which was conducted based on factorial experiment in the form of Complete Randomized Desighn(CRD) with four Replications. Based on the obtained results, the cultivar, salinity levels and hormonal treatments were significantly effective on surveyed traits. The results from analysis of variance revealed that increased salinity levels led to significant increase in values of lipid peroxidation, electrolyte leackage(EL), proline content and significant decrease in values of photosynthesis and transpiration rate, relative water content(RWC) and the content of chlorophyll a and b in two varieties. Furthermore EBR and MeJA treatments(specially 6mM MeJA) significantly increased proline content, content of chlorophyll a and b, photosynthesis and transpiration rate and decreased EL and lipid peroxidation in two varieties(except at high salinity stress) and mitigated the adverse effects of NaCl in two cultivars. Withoute salinity application Perlette cultivar produced the best values for physiological and morphological indices. In general, Perlette cultivar proved more tolerance against salinity than Flame Seedless cultivar did.
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Claims 8
Claim · model-written summary
Cultivar, salinity level and hormone treatment significantly affected surveyed traits.
- Outcome
- surveyed traitse0
Not reportedTaxon
Verbatim
e0“the cultivar, salinity levels and hormonal treatments were significantly effective on surveyed traits”
Claim · model-written summary
Increasing salinity significantly raised lipid peroxidation, electrolyte leakage and proline content in both varieties.
- Treatment
- increased salinity levelse0
- Outcome
- lipid peroxidation, electrolyte leackage(EL), proline contente0
- Direction
- increasee0
Not reportedTaxonComparator
Verbatim
e0“increased salinity levels led to significant increase in values of lipid peroxidation, electrolyte leackage(EL), proline content”
Claim · model-written summary
Increasing salinity significantly lowered photosynthesis, transpiration, relative water content and chlorophyll in both varieties.
- Outcome
- photosynthesis and transpiration rate, relative water content(RWC) and the content of chlorophyll a and be0
- Direction
- decreasee0
Not reportedTaxonTreatmentComparator
Verbatim
e0“significant decrease in values of photosynthesis and transpiration rate, relative water content(RWC) and the content of chlorophyll a and b in two varieties”
Claim · model-written summary
EBR and MeJA significantly increased proline and chlorophyll contents in both varieties except under high salinity.
- Treatment
- EBR and MeJA treatmentse0
- Outcome
- proline content, content of chlorophyll a and be0
- Direction
- increasede0
- Qualifier
- except at high salinity stresse0
Not reportedTaxonComparator
Verbatim
e0“EBR and MeJA treatments(specially 6mM MeJA) significantly increased proline content, content of chlorophyll a and b, photosynthesis and transpiration rate and decreased EL and lipid peroxidation in two varieties(except at high salinity stress)”
Claim · model-written summary
EBR and MeJA significantly increased photosynthesis and transpiration in both varieties except under high salinity.
- Treatment
- EBR and MeJA treatmentse0
- Outcome
- photosynthesis and transpiration ratee0
- Direction
- increasede0
Not reportedTaxonComparator
Verbatim
e0“EBR and MeJA treatments(specially 6mM MeJA) significantly increased proline content, content of chlorophyll a and b, photosynthesis and transpiration rate and decreased EL and lipid peroxidation in two varieties(except at high salinity stress)”
Claim · model-written summary
EBR and MeJA reduced electrolyte leakage and lipid peroxidation except under high salinity.
Not reportedTaxonComparator
Verbatim
e0“EBR and MeJA treatments(specially 6mM MeJA) significantly increased proline content, content of chlorophyll a and b, photosynthesis and transpiration rate and decreased EL and lipid peroxidation in two varieties(except at high salinity stress)”
Claim · model-written summary
Without salinity, Perlette had the best physiological and morphological indices.
- Material
- Perlette cultivare0
- Outcome
- physiological and morphological indicese0
- Qualifier
- Withoute salinity applicatione0
Not reportedTaxon
Verbatim
e0“Withoute salinity application Perlette cultivar produced the best values for physiological and morphological indices.”
Claim · model-written summary
Perlette was more salinity tolerant than Flame Seedless.
- Material
- Perlette cultivare0
- Outcome
- tolerance against salinitye0
- Direction
- moree0
- Comparator
- Flame Seedless cultivare0
Not reportedTaxon
Verbatim
e0“Perlette cultivar proved more tolerance against salinity than Flame Seedless cultivar did.”