Abstract
Tomato Fruit quality can be improved by the use of moderately saline irrigation water. However, decreased fruit yields may occur if the saline treatment is initiated early in plant development or the salt concentration is high. Another concern with the use of saline irrigation water is increased plant susceptibility to disease. Two processing tomato cultivars were grown under low salt (ECa=1.1 ds/m), medium salt (ECa=2.8 ds/m) and high salt (ECa=4.6 ds/m) regimes, and in the presence and absence of Phytophthora parasitica, the casual agent of Phytophthora root rot. Salinity increased Phytophthora root rot severity in UC82B, the susceptible cultivar, but had a limited effect on CX8303, a cultivar known to have a measure of resistance to Phytophthora root rot. Fruit acidity and percent total soluble solids were enhanced in both cultivars by increasing salinity. Infection by P. parasitica increased acidity and soluble solids in UC82B fruit grown under high salt. Sodium and chloride concentrations in tomato fruit increased in a manner proportionate to the salt treatment applied; however, in the absence of disease, fruit Na + and Cllevels were markedly lower compared to other tissues in the plant, The presence of salt-enhanced Phytophthora root rot in UC82B increased fruit Na + concentration by almost 100%. Fruit Ca 2+ and K + levels, in contrast, declined moderately with increasing salinity and were not affected by disease.
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Claims 9
Claim · model-written summary
Salinity increased Phytophthora root rot severity in UC82B.
- Taxon
- TOMATO
Solanum lycopersicumt0 - Material
- UC82Be0
- Treatment
- Salinitye0
- Interactor
- Phytophthora
Phytophthorae0pathogen - Outcome
- Phytophthora root rot severitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity increased Phytophthora root rot severity in UC82B, the susceptible cultivar”
t0“TOMATO”
Claim · model-written summary
Salinity had a limited effect on root rot in CX8303.
- Taxon
- TOMATOSolanum lycopersicumt0
- Material
- CX8303e0
- Treatment
- Salinityt1
- Interactor
- PhytophthoraPhytophthorae0pathogen
- Outcome
- Phytophthora root rote0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but had a limited effect on CX8303, a cultivar known to have a measure of resistance to Phytophthora root rot”
t0“TOMATO”
t1“SALINITY”
Claim · model-written summary
Increasing salinity enhanced fruit acidity and total soluble solids in both cultivars.
- Taxon
- TOMATOSolanum lycopersicumt0
- Organ / stage
- Fruite0
- Treatment
- increasing salinitye0
- Outcome
- Fruit acidity and percent total soluble solidse0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit acidity and percent total soluble solids were enhanced in both cultivars by increasing salinity”
t0“TOMATO”
Claim · model-written summary
P. parasitica infection increased acidity and soluble solids in UC82B fruit under high salt.
- Taxon
- TOMATOSolanum lycopersicumt0
- Material
- UC82Be0
- Treatment
- Infection by P. parasiticae0
- Interactor
- P. parasitica
Phytophthora nicotianaee0pathogen - Outcome
- acidity and soluble solidse0
- Direction
- increasede0
- Qualifier
- under high salte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Infection by P. parasitica increased acidity and soluble solids in UC82B fruit grown under high salt”
t0“TOMATO”
Claim · model-written summary
Fruit sodium and chloride concentrations rose proportionately with salt treatment.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- salt treatmente0
- Outcome
- Sodium and chloride concentrations in tomato fruite0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sodium and chloride concentrations in tomato fruit increased in a manner proportionate to the salt treatment applied”
Claim · model-written summary
Without disease, fruit Na and Cl levels were lower than levels in other plant tissues.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- fruit Na + and Cllevelse0
- Direction
- markedly lowere0
- Qualifier
- in the absence of diseasee0
- Comparator
- other tissues in the plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in the absence of disease, fruit Na + and Cllevels were markedly lower compared to other tissues in the plant”
t0“tomato”
Claim · model-written summary
Salt-enhanced root rot nearly doubled UC82B fruit sodium concentration.
- Taxon
- TOMATOSolanum lycopersicumt0
- Material
- UC82Be0
- Treatment
- salt-enhanced Phytophthora root rote0
- Interactor
- PhytophthoraPhytophthorae0pathogen
- Outcome
- fruit Na + concentratione0
- Direction
- increasede0
- Value
- almost 100%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of salt-enhanced Phytophthora root rot in UC82B increased fruit Na + concentration by almost 100%”
t0“TOMATO”
Claim · model-written summary
Fruit calcium and potassium levels declined moderately as salinity increased.
- Taxon
- TOMATOSolanum lycopersicumt0
- Treatment
- increasing salinitye0
- Outcome
- Fruit Ca 2+ and K + levelse0
- Direction
- declined moderatelye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit Ca 2+ and K + levels, in contrast, declined moderately with increasing salinity”
t0“TOMATO”
Claim · model-written summary
Disease did not affect fruit calcium or potassium levels.
- Taxon
- TOMATOSolanum lycopersicumt0
- Treatment
- diseasee0
- Outcome
- Fruit Ca 2+ and K + levelse0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit Ca 2+ and K + levels, in contrast, declined moderately with increasing salinity and were not affected by disease”
t0“TOMATO”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.