Abstract
The effects of three arbuscular mycorrhizal fungi (AMF) on the growth, Cd uptake and some physio-biochemical indexes of Solanum lycopersicum seedlings under different levels of Cd stress were investigated in a pot study. Generally, the symbiotic relationship between Solanum lycopersicum and AMF can be well established under Cd stress. This was reflected by the better physio-biochemical index of the plants inoculated with G. constrictum, G. mosseae and G. intraradices whose colonization rates were between 41.4% and 76.1%. Compared with the non-inoculated ones, G. constrictum inoculation enhanced the plant biomass at 50 mg kg-1 Cd addition level. AM colonization increased the Cd distribution to the roots in plants and alleviated shoots from high Cd stress, and thus increased the shoot biomass in the end. At the high Cd addition level, mycorrhizal plants reacted differently in the reduction of the contents of MDA, by influencing the soluble sugar, POD activity, SOD activity and so on. Our results showed that mycorrhizal colonization was beneficial to the Cd translocation in plants and reduced the membrane lipid peroxidation in plants under serious Cd stress. However, the mechanisms of mycorrhizal protection in plants were influenced by many factors and still need to be further studied.
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Claims 7
Claim · model-written summary
AMF formed symbiosis with tomato seedlings under Cd stress, with colonization rates of 41.4% to 76.1%.
- Taxon
- Solanum lycopersicum
Solanum lycopersicume0 - Interactor
- AMFe0symbiont
- Outcome
- colonization ratese1
- Value
- between 41.4% and 76.1%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the symbiotic relationship between Solanum lycopersicum and AMF can be well established under Cd stress”
e1“G. constrictum, G. mosseae and G. intraradices whose colonization rates were between 41.4% and 76.1%”
Claim · model-written summary
Inoculation with G. constrictum increased plant biomass at 50 mg kg-1 Cd relative to non-inoculated plants.
- Taxon
- Solanum lycopersicumSolanum lycopersicumt0
- Treatment
- G. constrictum inoculatione0
- Interactor
- G. constrictume0symbiont
- Outcome
- plant biomasse0
- Direction
- enhancede0
- Qualifier
- 50 mg kg-1 Cd addition levele0
- Comparator
- non-inoculated onese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the non-inoculated ones, G. constrictum inoculation enhanced the plant biomass at 50 mg kg-1 Cd addition level”
t0“Solanum lycopersicum”
Claim · model-written summary
AM colonization increased Cd distribution to tomato roots.
- Taxon
- Solanum lycopersicumSolanum lycopersicumt0
- Organ / stage
- rootse0
- Treatment
- AM colonizatione0
- Outcome
- Cd distribution to the rootse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AM colonization increased the Cd distribution to the roots in plants”
t0“Solanum lycopersicum”
Claim · model-written summary
AM colonization alleviated high Cd stress in shoots.
- Taxon
- Solanum lycopersicumSolanum lycopersicumt0
- Organ / stage
- shootse0
- Outcome
- high Cd stresse0
- Direction
- alleviatede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“alleviated shoots from high Cd stress”
t0“Solanum lycopersicum”
Claim · model-written summary
AM colonization increased shoot biomass.
- Taxon
- Solanum lycopersicumSolanum lycopersicumt0
- Treatment
- AM colonizatione0
- Outcome
- shoot biomasse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AM colonization increased the Cd distribution to the roots in plants and alleviated shoots from high Cd stress, and thus increased the shoot biomass in the end”
t0“Solanum lycopersicum”
Claim · model-written summary
Mycorrhizal plants showed differing reductions of MDA at high Cd.
- Taxon
- Solanum lycopersicumSolanum lycopersicumt0
- Outcome
- contents of MDAe0
- Direction
- reductione0
- Qualifier
- high Cd addition levele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At the high Cd addition level, mycorrhizal plants reacted differently in the reduction of the contents of MDA”
t0“Solanum lycopersicum”
Claim · model-written summary
Mycorrhizal colonization reduced membrane lipid peroxidation under serious Cd stress.
- Taxon
- Solanum lycopersicumSolanum lycopersicumt0
- Treatment
- mycorrhizal colonizatione0
- Outcome
- membrane lipid peroxidatione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mycorrhizal colonization was beneficial to the Cd translocation in plants and reduced the membrane lipid peroxidation in plants under serious Cd stress”
t0“Solanum lycopersicum”
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