Abstract
Water resources of good quality in arid and semiarid zones are increasingly becoming scarce. For this reason there is an increasing necessity to irrigate with water of certain salt content, such as groundwater, drainage water and treated wastewater. This study aimed to evaluate the biochemical responses and growth parameters of coriander plants (Coriandrum sativum) under irrigation with saline water. Salinity stress was imposed by using water saline with electric conductivity of 0.8 (control), 4.0 and 8.0 dS m -1 in the irrigation. Plants saline-water irrigated displayed higher contents of Na + and Cl - and a lower K + content associated with increased membrane damage and lipid peroxidation. Proline accumulation was also increased by salinity in both plant tissues. Catalase (CAT) seemed to be the key enzyme responsible for ROS scavenging under medium salinity (4.0 dS m -1 ), whereas glutathione peroxidase (GPX) and ascorbate peroxidase (APX) were the main enzymes in high salinity (8.0 dS m -1 ). Superoxide dismutase activity was increased by salinity only in the roots. As a result, shoot dry mass and plant height were reduced by both medium- and high-salinity. In roots, although salinity decreased the dry mass, it was more pronounced in plants high-salinity water irrigated. In conclusion, salinity in the irrigation water imposes negative effects on biochemical processes and plant growth. Oxidative protection against ROS of C. sativum plants may be associated with upregulation of CAT activity under medium-salinity and GPX and APX activities in high-salinity.
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Claims 9
Claim · model-written summary
Saline irrigation increased Na and Cl contents.
- Taxon
- coriander plants (Coriandrum sativum)
Coriandrum sativume1 - Treatment
- saline-water irrigatede0
- Outcome
- contents of Na + and Cl -e0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants saline-water irrigated displayed higher contents of Na + and Cl -”
e1“coriander plants (Coriandrum sativum)”
Claim · model-written summary
Saline irrigation lowered K content.
- Taxon
- coriander plants (Coriandrum sativum)Coriandrum sativume1
- Outcome
- K + contente0
- Direction
- lowere0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a lower K + content”
e1“coriander plants (Coriandrum sativum)”
Claim · model-written summary
Saline irrigation increased membrane damage and lipid peroxidation.
- Taxon
- coriander plants (Coriandrum sativum)Coriandrum sativume1
- Outcome
- membrane damage and lipid peroxidatione0
- Direction
- increasede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased membrane damage and lipid peroxidation”
e1“coriander plants (Coriandrum sativum)”
Claim · model-written summary
Salinity increased proline accumulation in both tissues.
- Taxon
- coriander plants (Coriandrum sativum)Coriandrum sativume1
- Treatment
- salinitye0
- Outcome
- Proline accumulatione0
- Direction
- increasede0
- Qualifier
- both plant tissuese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Proline accumulation was also increased by salinity in both plant tissues.”
e1“coriander plants (Coriandrum sativum)”
Claim · model-written summary
CAT was the key ROS scavenging enzyme at medium salinity.
- Taxon
- coriander plants (Coriandrum sativum)Coriandrum sativume1
- Treatment
- medium salinity (4.0 dS m -1 )e0
- Gene
- Catalase (CAT)e0
- Outcome
- ROS scavenginge0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Catalase (CAT) seemed to be the key enzyme responsible for ROS scavenging under medium salinity (4.0 dS m -1 )”
e1“coriander plants (Coriandrum sativum)”
Claim · model-written summary
GPX and APX were main enzymes at high salinity.
- Taxon
- coriander plants (Coriandrum sativum)Coriandrum sativume1
- Treatment
- high salinity (8.0 dS m -1 )e0
- Gene
- glutathione peroxidase (GPX) and ascorbate peroxidase (APX)e0
- Outcome
- main enzymese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“glutathione peroxidase (GPX) and ascorbate peroxidase (APX) were the main enzymes in high salinity (8.0 dS m -1 )”
e1“coriander plants (Coriandrum sativum)”
Claim · model-written summary
Salinity increased root superoxide dismutase activity.
- Taxon
- coriander plants (Coriandrum sativum)Coriandrum sativume1
- Organ / stage
- rootse0
- Treatment
- salinitye0
- Gene
- Superoxide dismutasee0
- Outcome
- Superoxide dismutase activitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Superoxide dismutase activity was increased by salinity only in the roots.”
e1“coriander plants (Coriandrum sativum)”
Claim · model-written summary
Medium and high salinity reduced shoot dry mass and height.
- Taxon
- coriander plants (Coriandrum sativum)Coriandrum sativume1
- Treatment
- both medium- and high-salinitye0
- Outcome
- shoot dry mass and plant heighte0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shoot dry mass and plant height were reduced by both medium- and high-salinity”
e1“coriander plants (Coriandrum sativum)”
Claim · model-written summary
Salinity decreased root dry mass, most at high salinity.
- Taxon
- coriander plants (Coriandrum sativum)Coriandrum sativume1
- Treatment
- salinitye0
- Outcome
- dry masse0
- Direction
- decreasede0
- Qualifier
- more pronounced in plants high-salinity water irrigatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salinity decreased the dry mass, it was more pronounced in plants high-salinity water irrigated”
e1“coriander plants (Coriandrum sativum)”
The same questions in other papers
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- positive
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salinity · physiology: oxidative · Coriandrum sativum (coriander)Positive and negative results
2 in the opposite direction
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salinity · physiology: enzyme activity · Coriandrum sativum (coriander)Results agree
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salinity · physiology: antioxidant enzymes · Coriandrum sativum (coriander)Results agree
1 paper in the same direction as this paper
- positive
salinity · growth · Coriandrum sativum (coriander)Results agree
8 papers in the same direction as this paper
- negative
- negative
- negative
5 papers more in this group
See all 9 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.