Abstract
SummaryThe effects of water deficit and rewatering on ribulose-1,5-bis-phosphate carboxylase activity, chlorophyll and protein content were evaluated in plants of two cultivars of tomato. During the water deficit period, values of water potential, osmotic potential and relative water content decreased along with associated decreases in RuBPcase activity, protein content and chlorophyll content, being less marked for chlorophyll content. There was a significant correlation of RuBPcase activity and protein content with components of leaf water status from plants under water stress. The associated decrease of RuBPcase, chlorophyll and protein contents with decreased osmotic potential during the development of water deficit was evident. At the time the plants reached a water potential of –1.40 to –1.56 MPa (RI: first level of recovery after water stress), one group of plants was rewatered. The rest were kept under stress until the water potential reached values of –2.30 to –2.51 MPa (RII: second level of recovery after water stress). It was observed that all of the varieties measured at both levels (RI and RII) showed a gradual recovery, reaching or even surpassing the values of control plants.
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Claims 6
Claim · model-written summary
During the water deficit period, water potential, osmotic potential and relative water content of tomato decreased.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- water deficite0
- Outcome
- water potential, osmotic potential and relative water contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“two cultivars of tomato”
e0“During the water deficit period, values of water potential, osmotic potential and relative water content decreased along with associated decreases in RuBPcase activity, protein content and chlorophyll content, being less marked for chlorophyll content”
Claim · model-written summary
During water deficit, RuBPcase activity and protein content of tomato decreased.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- water deficite0
- Outcome
- RuBPcase activity, protein contente0
- Direction
- decreasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“two cultivars of tomato”
e0“During the water deficit period, values of water potential, osmotic potential and relative water content decreased along with associated decreases in RuBPcase activity, protein content and chlorophyll content, being less marked for chlorophyll content”
Claim · model-written summary
During water deficit, chlorophyll content of tomato decreased, less markedly than RuBPcase activity and protein content.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- water deficite0
- Outcome
- chlorophyll contente0
- Direction
- decreasese0
- Qualifier
- less markede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“two cultivars of tomato”
e0“During the water deficit period, values of water potential, osmotic potential and relative water content decreased along with associated decreases in RuBPcase activity, protein content and chlorophyll content, being less marked for chlorophyll content”
Claim · model-written summary
RuBPcase activity and protein content were significantly correlated with components of leaf water status in tomato plants under water stress.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- water stresse1
- Outcome
- RuBPcase activity and protein contente1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“two cultivars of tomato”
e1“There was a significant correlation of RuBPcase activity and protein content with components of leaf water status from plants under water stress”
Claim · model-written summary
Decreases in RuBPcase, chlorophyll and protein contents were associated with decreased osmotic potential during development of water deficit.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- water deficite2
- Outcome
- RuBPcase, chlorophyll and protein contentse2
- Direction
- decreasee2
- Qualifier
- decreased osmotic potentiale2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“two cultivars of tomato”
e2“The associated decrease of RuBPcase, chlorophyll and protein contents with decreased osmotic potential during the development of water deficit was evident”
Claim · model-written summary
After rewatering, the measured values of tomato varieties recovered gradually at both recovery levels, reaching or even surpassing the values of control plants.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- rewaterede3
- Outcome
- gradual recoverye4
- Direction
- reaching or even surpassinge4
- Comparator
- control plantse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“two cultivars of tomato”
e3“one group of plants was rewatered”
e4“all of the varieties measured at both levels (RI and RII) showed a gradual recovery, reaching or even surpassing the values of control plants”
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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.