Abstract
This work was developed at the Agricultural Research Institute “Jorge Dimitrov” in November 2011, with the aim of studying the effect of salinity on the relative water content (RWC) and the concentration of pigments in plants of three varieties of beans (Phaseolus vulgaris L.): HOL-17 HOL-35 HOL-74, using a saline soil (EC 5.2 dS.m-1) and a non-saline soil as control. The Relative Water Content (RWC) was determined by the method described by Yamasaki and Rebello and the concentration of pigment by the methodology of Lichtenthaler and Wellburn. The results indicated a significant decrease in the RWC in the saline treatment, relative to control, in the three studied varieties. The content of chlorophyll b was affected in the three varieties under saline conditions, while HOL-17 and HOL-74 varieties exhibited a significant increase in the concentration of carotenoids, suggesting a protective mechanism of chlorophyll photooxidation induced by salt stress.
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Claims 5
Claim · model-written summary
Saline treatment significantly decreased relative water content in all three bean varieties relative to control.
Verbatim
e0“The results indicated a significant decrease in the RWC in the saline treatment, relative to control, in the three studied varieties”
t0“bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Saline conditions affected chlorophyll b content in all three bean varieties, without a reported direction.
Not reportedComparatorDirection
Verbatim
e0“The content of chlorophyll b was affected in the three varieties under saline conditions”
t0“bean (Phaseolus vulgaris L.)”
Claim · model-written summary
HOL-17 had a significant increase in carotenoid concentration under salinity.
- Taxon
- beant0
- Material
- HOL-17e0
- Treatment
- saline conditionse1
- Outcome
- concentration of carotenoidse0
- Direction
- increasee0
Not reportedComparator
Verbatim
e0“HOL-17 and HOL-74 varieties exhibited a significant increase in the concentration of carotenoids”
e1“under saline conditions”
t0“bean (Phaseolus vulgaris L.)”
Claim · model-written summary
HOL-74 had a significant increase in carotenoid concentration under salinity.
- Taxon
- beant0
- Material
- HOL-74e0
- Treatment
- saline conditionse1
- Outcome
- concentration of carotenoidse0
- Direction
- increasee0
Not reportedComparator
Verbatim
e0“HOL-17 and HOL-74 varieties exhibited a significant increase in the concentration of carotenoids”
e1“under saline conditions”
t0“bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Increased carotenoids were interpreted as a protective mechanism against chlorophyll photooxidation under salt stress.
Verbatim
e0“suggesting a protective mechanism of chlorophyll photooxidation induced by salt stress”
t0“bean (Phaseolus vulgaris L.)”
The same questions in other papers
salinity · physiology: water · Phaseolus vulgaris (common bean)Results differ
20 papers in the same direction as this paper
- no effect
- negative
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See all 21 papers →salinity · physiology: pigments · Phaseolus vulgaris (common bean)Results differ
2 papers in the same direction as this paper · 19 in the opposite direction
- negative
- negative
- negative
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See all 22 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.