Abstract
This study was conducted to determine the tolerance of safflower (Carthamus tinctorius L.) cultivars (Dinçer, Remzibey-05, and Yenice) against salt stress based on some physiological and biochemical parameters at the vegetative stage. Eighteen-day-old plants were subjected to salt stress [0 (control), 75, 150, 225, and 300 mM NaCl concentrations] for 12 days, which led to a significant decrease in growth parameters (stem growth, fresh weight, and relative water content) and the photosynthetic pigment contents of the safflower cultivars. The photochemical activities of photosystem II of the cultivars were negatively affected by salinity, especially at the highest concentration (300 mM). Salt stress decreased K^+ content and K^{+}/Na^{+} ratio while it increased Na^+ content. Malondialdehyde and free proline contents in the leaves of cultivars increased gradually in proportion to the increase of NaCl concentration. Analysis of antioxidant enzyme activities showed that these enzymes responded differently to the NaCl concentrations. Dinçer, with higher antioxidant enzyme activities, had a more effective response than the other cultivars. Considering growth and biochemical and chlorophyll fluorescence parameters with the endogenous defense system, Dinçer had a higher withstanding capacity against salinity than the other cultivars.
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Claims 9
Claim · model-written summary
Salt stress significantly decreased stem growth, fresh weight and relative water content.
- Taxon
- safflower
Carthamus tinctoriust0 - Treatment
- salt stresse0
- Outcome
- stem growth, fresh weight, and relative water contente0
- Direction
- decreasee0
- Comparator
- 0 (control)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salt stress [0 (control), 75, 150, 225, and 300 mM NaCl concentrations] for 12 days, which led to a significant decrease in growth parameters (stem growth, fresh weight, and relative water content)”
t0“Impact of salt stress on photosystem II efficiency and antioxidant enzyme activities of safflower (Carthamus tinctorius L.) cultivars”
Claim · model-written summary
Salt stress significantly decreased photosynthetic pigment contents.
- Taxon
- safflowerCarthamus tinctoriuse0
- Treatment
- salt stresse0
- Outcome
- photosynthetic pigment contentse0
- Direction
- decreasee0
- Comparator
- 0 (control)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salt stress [0 (control), 75, 150, 225, and 300 mM NaCl concentrations] for 12 days, which led to a significant decrease in growth parameters (stem growth, fresh weight, and relative water content) and the photosynthetic pigment contents of the safflower cultivars”
Claim · model-written summary
Salinity negatively affected photosystem II activity, especially at 300 mM.
- Taxon
- safflowerCarthamus tinctoriust0
- Treatment
- salinitye0
- Outcome
- photochemical activities of photosystem IIe0
- Direction
- negatively affectede0
- Qualifier
- especially at the highest concentration (300 mM)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The photochemical activities of photosystem II of the cultivars were negatively affected by salinity, especially at the highest concentration (300 mM)”
t0“Impact of salt stress on photosystem II efficiency and antioxidant enzyme activities of safflower (Carthamus tinctorius L.) cultivars”
Claim · model-written summary
Salt stress decreased K+ content and the K+/Na+ ratio.
- Taxon
- safflowerCarthamus tinctoriust0
- Treatment
- Salt stresse0
- Outcome
- K^+ content and K^{+}/Na^{+} ratioe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress decreased K^+ content and K^{+}/Na^{+} ratio while it increased Na^+ content”
t0“Impact of salt stress on photosystem II efficiency and antioxidant enzyme activities of safflower (Carthamus tinctorius L.) cultivars”
Claim · model-written summary
Salt stress increased Na+ content.
- Taxon
- safflowerCarthamus tinctoriust0
- Treatment
- Salt stresse0
- Outcome
- Na^+ contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress decreased K^+ content and K^{+}/Na^{+} ratio while it increased Na^+ content”
t0“Impact of salt stress on photosystem II efficiency and antioxidant enzyme activities of safflower (Carthamus tinctorius L.) cultivars”
Claim · model-written summary
Leaf malondialdehyde and free proline contents increased with NaCl concentration.
- Taxon
- safflowerCarthamus tinctoriust0
- Organ / stage
- leavese0
- Treatment
- NaCl concentratione0
- Outcome
- Malondialdehyde and free proline contentse0
- Direction
- increased graduallye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malondialdehyde and free proline contents in the leaves of cultivars increased gradually in proportion to the increase of NaCl concentration”
t0“Impact of salt stress on photosystem II efficiency and antioxidant enzyme activities of safflower (Carthamus tinctorius L.) cultivars”
Claim · model-written summary
Antioxidant enzymes responded differently to NaCl concentrations.
- Taxon
- safflowerCarthamus tinctoriust0
- Treatment
- NaCl concentrationse0
- Outcome
- enzymes responded differentlye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“these enzymes responded differently to the NaCl concentrations”
t0“Impact of salt stress on photosystem II efficiency and antioxidant enzyme activities of safflower (Carthamus tinctorius L.) cultivars”
Claim · model-written summary
Dinçer had higher antioxidant enzyme activities and a more effective response than other cultivars.
- Taxon
- safflowerCarthamus tinctoriust0
- Material
- Dinçere0
- Outcome
- antioxidant enzyme activitiese0
- Direction
- highere0
- Comparator
- other cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dinçer, with higher antioxidant enzyme activities, had a more effective response than the other cultivars”
t0“Impact of salt stress on photosystem II efficiency and antioxidant enzyme activities of safflower (Carthamus tinctorius L.) cultivars”
Claim · model-written summary
Dinçer had greater salinity tolerance than the other cultivars.
- Taxon
- safflowerCarthamus tinctoriust0
- Material
- Dinçere0
- Outcome
- withstanding capacity against salinitye0
- Direction
- highere0
- Comparator
- other cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dinçer had a higher withstanding capacity against salinity than the other cultivars”
t0“Impact of salt stress on photosystem II efficiency and antioxidant enzyme activities of safflower (Carthamus tinctorius L.) cultivars”
The same questions in other papers
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See all 5 papers →salinity · physiology: water · Carthamus tinctorius (safflower)Results agree
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See all 6 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.