Abstract
Soil salinity is a serious environmental problem that has negative effect on plant growth, production and photosynthesis. Fresh and dry plant weights decreases with salinity treatments. The very important role of salicylic acid (SA) in response to different stress and modification and decline damages due to stresses has established in different studies. In this research tomato seeds planted in pots containing perlite in a growth chamber under controlled conditions of 27±2°c and 23±2°c temperature , 16h lightness and 8h darkness respectively, 15 Klux light intensity and 75% humidity; NaCl concentration of 0, 25, 50, 75 and 100 mM and salicylic acid concentration of 0, 0.5, 1 and 1.5 mM were used in the form of factorial experiment in a complete randomized design (CRD). Results show that germination was decreased with salinity increasing. At low levels of salinity, SA leads to decrease in germination and had no effect in high levels of salinity. The length of shoot were not effected by salinity but decrease with increase in SA concentration. Low salinity concentrations led to significant increase in root length and high concentrations don’t have significant difference with control. SA also had no effect on it. The highest amount of a, b, c and total chlorophyll and carotenoid was show in 50 mM salinity levels.
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Claims 10
Claim · model-written summary
Germination decreased as salinity increased.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- salinitye0
- Outcome
- germinatione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results show that germination was decreased with salinity increasing.”
t0“tomato”
Claim · model-written summary
At low salinity, salicylic acid decreased germination.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- SAe0
- Outcome
- germinatione0
- Direction
- decreasee0
- Qualifier
- low levels of salinitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At low levels of salinity, SA leads to decrease in germination”
t0“tomato”
Claim · model-written summary
At high salinity, salicylic acid had no effect on germination.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- SAe0
- Outcome
- germinatione1
- Direction
- had no effecte0
- Qualifier
- high levels of salinitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“had no effect in high levels of salinity”
t0“tomato”
e1“Results show that germination was decreased with salinity increasing.”
Claim · model-written summary
Salinity did not affect shoot length.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- salinitye0
- Outcome
- length of shoote0
- Direction
- not effectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The length of shoot were not effected by salinity”
t0“tomato”
Claim · model-written summary
Increasing salicylic acid decreased shoot length.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- SA concentratione0
- Outcome
- length of shoote0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The length of shoot were not effected by salinity but decrease with increase in SA concentration.”
t0“tomato”
Claim · model-written summary
Low salinity significantly increased root length.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- Low salinity concentrationse0
- Outcome
- root lengthe0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low salinity concentrations led to significant increase in root length”
t0“tomato”
Claim · model-written summary
High salinity did not significantly differ from control in root length.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- high concentrationse0
- Outcome
- root lengthe1
- Direction
- don’t have significant differencee0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high concentrations don’t have significant difference with control”
t0“tomato”
e1“Low salinity concentrations led to significant increase in root length”
Claim · model-written summary
Salicylic acid had no effect on root length.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- SAe0
- Outcome
- root lengthe1
- Direction
- had no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SA also had no effect on it.”
t0“tomato”
e1“Low salinity concentrations led to significant increase in root length”
Claim · model-written summary
Chlorophyll a, b, c and total chlorophyll were highest at 50 mM salinity.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- 50 mM salinitye0
- Outcome
- a, b, c and total chlorophylle0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest amount of a, b, c and total chlorophyll and carotenoid was show in 50 mM salinity levels.”
t0“tomato”
Claim · model-written summary
Carotenoid was highest at 50 mM salinity.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- 50 mM salinitye0
- Outcome
- carotenoide0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest amount of a, b, c and total chlorophyll and carotenoid was show in 50 mM salinity levels.”
t0“tomato”
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See all 300 papers →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.