Abstract
SummaryPlants of a tomato cultivar of normal fruit-size, weak vegetative development and high productivity (L. esculentum cv. New Yorker) and another of small fruit-size (cherry) and strong vegetative development (L. esculentum var. cerasiforme cv. PE-62) were grown in an unheated plastic greenhouse and irrigated with 0 and 140 mM NaCl water (control and saline treatments, respectively). The shoot and leaf dry weights and leaf area reductions induced by salinity were related to the osmotic adjustment achieved at each time and cultivar. Plants of cv. PE-62 showed a decrease in shoot to root dry-weight ratio in response to salinity. Yields of both cultivars were reduced significantly by salinity; a result of a fewer fruits and smaller fruits. Fruits from salt treated plants contained a higher concentration of reducing sugars and organic acids than those of control plants. The fruit life span was shortened in plants under saline stress. In both cultivars, the leaf osmotic potential at full turgor (Ψos) levels were reduced by salinity. The parallel pattern observed in both cultivars, between Ψos and Ψtlp, (leaf water potential at turgor loss point) could indicate that Ψos values were controlling the behaviour of Ψtlp. The bulk modulus of elasticity (E) and the relative water content at the turgor loss point (RWCtlp) were not affected by salinity. The RWCtlp values in both cultivar seems to be controlled by E values.
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Claims 11
Claim · model-written summary
Salinity-induced reductions in shoot and leaf dry weight and leaf area were related to osmotic adjustment in each cultivar over time.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- salinitye0
- Outcome
- shoot and leaf dry weights and leaf area reductionse0
- Direction
- reductionse0
- Qualifier
- osmotic adjustment achieved at each time and cultivare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The shoot and leaf dry weights and leaf area reductions induced by salinity were related to the osmotic adjustment achieved at each time and cultivar.”
t0“tomato cultivars”
Claim · model-written summary
Salinity decreased the shoot to root dry-weight ratio of cv. PE-62.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- cv. PE-62e0
- Treatment
- salinitye0
- Outcome
- shoot to root dry-weight ratioe0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants of cv. PE-62 showed a decrease in shoot to root dry-weight ratio in response to salinity.”
t0“tomato cultivars”
Claim · model-written summary
Salinity significantly reduced yields of both cultivars.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- salinitye0
- Outcome
- Yieldse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields of both cultivars were reduced significantly by salinity; a result of a fewer fruits and smaller fruits.”
t0“tomato cultivars”
Claim · model-written summary
Salinity resulted in fewer fruits in both cultivars.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- salinitye0
- Outcome
- fruitse0
- Direction
- fewere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields of both cultivars were reduced significantly by salinity; a result of a fewer fruits and smaller fruits.”
t0“tomato cultivars”
Claim · model-written summary
Salinity resulted in smaller fruits in both cultivars.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- salinitye0
- Outcome
- fruitse0
- Direction
- smallere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields of both cultivars were reduced significantly by salinity; a result of a fewer fruits and smaller fruits.”
t0“tomato cultivars”
Claim · model-written summary
Salt treated fruit had higher reducing sugar and organic acid concentrations than control fruit.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- Fruitse0
- Treatment
- salt treatede0
- Outcome
- concentration of reducing sugars and organic acidse0
- Direction
- highere0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruits from salt treated plants contained a higher concentration of reducing sugars and organic acids than those of control plants.”
t0“tomato cultivars”
Claim · model-written summary
Saline stress shortened fruit life span.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- saline stresse0
- Outcome
- fruit life spane0
- Direction
- shortenede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The fruit life span was shortened in plants under saline stress.”
t0“tomato cultivars”
Claim · model-written summary
Salinity reduced leaf osmotic potential at full turgor in both cultivars.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- salinitye0
- Outcome
- leaf osmotic potential at full turgor (Ψos) levelse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In both cultivars, the leaf osmotic potential at full turgor (Ψos) levels were reduced by salinity.”
t0“tomato cultivars”
Claim · model-written summary
The parallel patterns of Ψos and Ψtlp suggest Ψos might control Ψtlp.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- behaviour of Ψtlpe0
- Qualifier
- Ψos values were controlling the behaviour of Ψtlpe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The parallel pattern observed in both cultivars, between Ψos and Ψtlp, (leaf water potential at turgor loss point) could indicate that Ψos values were controlling the behaviour of Ψtlp.”
t0“tomato cultivars”
Claim · model-written summary
Salinity did not affect bulk modulus of elasticity or relative water content at the turgor loss point.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- salinitye0
- Outcome
- bulk modulus of elasticity (E) and the relative water content at the turgor loss point (RWCtlp)e0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The bulk modulus of elasticity (E) and the relative water content at the turgor loss point (RWCtlp) were not affected by salinity.”
t0“tomato cultivars”
Claim · model-written summary
RWCtlp values appeared to be controlled by E values in both cultivars.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- RWCtlp valuese0
- Qualifier
- controlled by E valuese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The RWCtlp values in both cultivar seems to be controlled by E values.”
t0“tomato cultivars”
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