Abstract
The application of microorganisms such as arbuscular mycorrhizal fungi to enhance salt resistance is quite well-known, but the interaction of mycorrhiza and salinity to growth, relative water content, and nutrient concentrations of salt-sensitive citrus ( Citrus tangerine) seedlings has been less studied. The non-colonized seedlings and seedlings colonized by Glomus mosseaeor Paraglomus occultumwere exposed to salt stress by irrigation with 100 mM NaCl solutions. Salt stress significantly depressed G. mosseae-colonization but not P. occultum-colonization. Mycorrhizal association could markedly increase both plant performance (leaf number, leaf area, shoot, and root dry weights) and leaf relative water content of citrus seedlings exposed to salt stress. Root Na + concentrations were lower in mycorrhizal than in non-mycorrhizal seedlings under given salinity conditions. Mycorrhizal inoculation was found to promote root concentrations of K + , Ca 2+ , and Mg 2+ at all salinity levels, although the differences for Mg 2+ was not significant at the 100 mM NaCl level. The K + /Na + , Ca 2+ /Na + , and Mg 2+ /Na + ratios were higher in mycorrhizal than in non-mycorrhizal citrus roots subjected to salt stress. It
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Claims 8
Claim · model-written summary
Salt stress significantly depressed G. mosseae colonization.
- Treatment
- Salt stresse0
- Interactor
- G. mosseae
Funneliformis mosseaee0symbiont - Outcome
- G. mosseae-colonizatione0
- Direction
- depressede0
CitrusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress significantly depressed G. mosseae-colonization”
e1“citrus ( Citrus tangerine) seedlings”
Claim · model-written summary
Salt stress did not significantly depress P. occultum colonization.
- Treatment
- Salt stresse1
- Interactor
- P. occultumParaglomus occultume0symbiont
- Outcome
- P. occultum-colonizatione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but not P. occultum-colonization”
e1“Salt stress significantly depressed G. mosseae-colonization but not P. occultum-colonization”
e2“citrus ( Citrus tangerine) seedlings”
Claim · model-written summary
Mycorrhizal association increased leaf number, leaf area and shoot and root dry weights under salt stress.
- Interactor
- Mycorrhizale0symbiont
- Outcome
- leaf number, leaf area, shoot, and root dry weightse0
- Direction
- increasee0
- Qualifier
- salt stresse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mycorrhizal association could markedly increase both plant performance (leaf number, leaf area, shoot, and root dry weights)”
e1“citrus seedlings exposed to salt stress”
Claim · model-written summary
Mycorrhizal association increased leaf relative water content under salt stress.
- Interactor
- Mycorrhizale0symbiont
- Outcome
- leaf relative water contente0
- Direction
- increasee0
- Qualifier
- salt stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mycorrhizal association could markedly increase both plant performance (leaf number, leaf area, shoot, and root dry weights) and leaf relative water content of citrus seedlings exposed to salt stress”
Claim · model-written summary
Mycorrhizal seedlings had lower root sodium than non-mycorrhizal seedlings under salinity.
- Interactor
- mycorrhizale0symbiont
- Outcome
- Root Na + concentrationse0
- Direction
- lowere0
- Comparator
- non-mycorrhizal seedlingse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root Na + concentrations were lower in mycorrhizal than in non-mycorrhizal seedlings under given salinity conditions”
t0“citrus”
Claim · model-written summary
Mycorrhizal inoculation promoted root potassium, calcium and magnesium concentrations across salinity levels.
- Treatment
- Mycorrhizal inoculatione0
- Interactor
- Mycorrhizale0symbiont
- Outcome
- root concentrations of K + , Ca 2+ , and Mg 2+e0
- Direction
- promotee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mycorrhizal inoculation was found to promote root concentrations of K + , Ca 2+ , and Mg 2+ at all salinity levels”
t0“citrus”
Claim · model-written summary
The magnesium difference was not significant at 100 mM NaCl.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“differences for Mg 2+ was not significant at the 100 mM NaCl level”
t0“citrus”
Claim · model-written summary
Mycorrhizal citrus roots had higher potassium, calcium and magnesium to sodium ratios under salt stress.
- Interactor
- mycorrhizale0symbiont
- Outcome
- K + /Na + , Ca 2+ /Na + , and Mg 2+ /Na + ratiose0
- Direction
- highere0
- Comparator
- non-mycorrhizal citrus rootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The K + /Na + , Ca 2+ /Na + , and Mg 2+ /Na + ratios were higher in mycorrhizal than in non-mycorrhizal citrus roots subjected to salt stress”
The same questions in other papers
salinity · Funneliformis mosseae · CitrusResults agree
1 paper in the same direction as this paper
- negative
salinity · Paraglomus occultum · CitrusResults agree
1 paper in the same direction as this paper
- no effect
mycorrhiza · nutrient: content · CitrusResults agree
2 papers in the same direction as this paper
- positive
- positive
inoculation · nutrient: content · CitrusResults agree
5 papers in the same direction as this paper
- positive
- positive
- positive
2 papers more in this group
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.