Abstract
Plants have developed multiple strategies to respond to salt stress. In order to identify new traits related to salt tolerance, with potential breeding application, the research focus has recently been shifted to include root system architecture (RSA) and root plasticity. Using a simple but effective root phenotyping system containing soil (rhizotrons), RSA of several tomato cultivars and their response to salinity was investigated. We observed a high level of root plasticity of tomato seedlings under salt stress. The general root architecture was substantially modified in response to salt, especially with respect to position of the lateral roots in the soil. At the soil surface, where salt accumulates, lateral root emergence was most strongly inhibited. Within the set of tomato cultivars, H1015 was the most tolerant to salinity in both developmental stages studied. A significant correlation between several root traits and aboveground growth parameters was observed, highlighting a possible role for regulation of both ion content and root architecture in salt stress resilience.
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Claims 5
Claim · model-written summary
Tomato seedlings showed high root plasticity under salt stress.
- Taxon
- tomato
Solanum lycopersicume0 - Organ / stage
- seedlingse0
- Treatment
- salt stresse0
- Outcome
- root plasticitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high level of root plasticity of tomato seedlings under salt stress”
Claim · model-written summary
Salt substantially modified tomato general root architecture, particularly lateral root position in soil.
- Taxon
- TomatoSolanum lycopersicumt0
- Organ / stage
- lateral rootse0
- Treatment
- salte0
- Outcome
- general root architecturee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The general root architecture was substantially modified in response to salt, especially with respect to position of the lateral roots in the soil.”
t0“Tomato”
Claim · model-written summary
Lateral root emergence was most strongly inhibited at the salt-accumulating soil surface.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- salte0
- Outcome
- lateral root emergencee0
- Direction
- inhibitede0
- Setting
- soil surfacee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At the soil surface, where salt accumulates, lateral root emergence was most strongly inhibited.”
t0“Tomato”
Claim · model-written summary
H1015 was the most salinity-tolerant tomato cultivar at both studied developmental stages.
- Taxon
- tomatoSolanum lycopersicume0
- Material
- H1015e0
- Outcome
- most tolerant to salinitye0
- Direction
- most tolerante0
- Qualifier
- both developmental stages studiede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Within the set of tomato cultivars, H1015 was the most tolerant to salinity in both developmental stages studied.”
Claim · model-written summary
Several tomato root traits correlated significantly with aboveground growth parameters.
- Taxon
- TomatoSolanum lycopersicumt0
- Organ / stage
- roote0
- Outcome
- aboveground growth parameterse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A significant correlation between several root traits and aboveground growth parameters was observed”
t0“Tomato”
The same questions in other papers
salinity · growth · Solanum lycopersicum (tomato)Positive and negative results
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