Abstract
A C T Salt contaminated areas are considered as, a critical problem in arid and semi-arid regions that limit the yield potential of agricultural crops. In the present study, NaCl salt stress susceptibility was assessed in five Jordanian grapes landraces (Salti, Zani, Red Glob, Darawishi and SoriBaladi) and B41 root stock using two levels of salt stress (6000 and 12000 ppm NaCl) in addition to the control during 2013 and 2014 growing season under controlled condition. Plant biomass (root and shoot), physiological parameters (relative water content and total chlorophyll content) and leaves mineral content were significantly (p<0.01) reduced in response to salt stress. High NaCl causes more pronounced reductions in these parameters than low NaCl treatment indicating the harmful effect of NaCl on plant biomass and physiological performance of the grape. Proline accumulated two and three time more under low and high salinity treatment than their respective control. The interactive effects of genotype and salt level treatment were significant (p<0.01) on plant biomass, mineral content and physiological parameter indicating, high level of variability exists among studied grape genotypes in response to salt stress. The lowest reductions in plant biomass and physiological parameters were recorded in Salti and Darawishi and consequently they could be considered as potential donors for genes for salt stress tolerance.
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Claims 9
Claim · model-written summary
Salt stress significantly reduced root and shoot biomass.
Not reportedComparator
Verbatim
e0“Plant biomass (root and shoot), physiological parameters (relative water content and total chlorophyll content) and leaves mineral content were significantly (p<0.01) reduced in response to salt stress.”
t0“Grape Genotypes”
Claim · model-written summary
Salt stress significantly reduced relative water and total chlorophyll content.
- Taxon
- Grapet0
- Treatment
- salt stresse0
- Outcome
- relative water content and total chlorophyll contente0
- Direction
- reducede0
Not reportedComparator
Verbatim
e0“Plant biomass (root and shoot), physiological parameters (relative water content and total chlorophyll content) and leaves mineral content were significantly (p<0.01) reduced in response to salt stress.”
t0“Grape Genotypes”
Claim · model-written summary
Salt stress significantly reduced leaf mineral content.
Not reportedComparator
Verbatim
e0“leaves mineral content were significantly (p<0.01) reduced in response to salt stress”
t0“Grape Genotypes”
Claim · model-written summary
High NaCl caused larger reductions in biomass and physiological performance than low NaCl.
Verbatim
e0“High NaCl causes more pronounced reductions in these parameters than low NaCl treatment”
t0“Grape Genotypes”
Claim · model-written summary
Proline accumulated two times more under low salinity than control.
Verbatim
e0“Proline accumulated two and three time more under low and high salinity treatment than their respective control.”
t0“Grape Genotypes”
Claim · model-written summary
Proline accumulated three times more under high salinity than control.
Verbatim
e0“Proline accumulated two and three time more under low and high salinity treatment than their respective control.”
t0“Grape Genotypes”
Claim · model-written summary
Genotype and salt-level interaction significantly affected plant biomass, mineral content and physiological parameters.
- Taxon
- Grapet0
- Treatment
- salt level treatmente0
- Outcome
- plant biomass, mineral content and physiological parametere0
Not reportedDirection
Verbatim
e0“The interactive effects of genotype and salt level treatment were significant (p<0.01) on plant biomass, mineral content and physiological parameter”
t0“Grape Genotypes”
Claim · model-written summary
Salti and Darawishi had the lowest reductions in biomass and physiological parameters.
Verbatim
e0“The lowest reductions in plant biomass and physiological parameters were recorded in Salti and Darawishi”
t0“Grape Genotypes”
Claim · model-written summary
The authors consider Salti and Darawishi potential sources of salt-tolerance genes.
Verbatim
e0“Salti and Darawishi and consequently they could be considered as potential donors for genes for salt stress tolerance”
t0“Grape Genotypes”
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