Abstract
Alfalfa(Medicago sativa)seedlings was conducted with 16 different salt-alkaline conditions(salinity 25-150 mmol·L-1 and pH 8.39-10.90)by mixing four salts(NaCl,Na2SO4,NaHCO3 and Na2CO3)in various proportions.We studied survival rate,plant height,total biomass,soluble protein content,proline content,ferulic acid and salicylic acid of alfalfa seedlings with Glomus mosseae under mixed salt-alkaline stresses by indoor pot experiment.Results showed that:(1)plant height,total biomass,soluble protein,proline content of inoculated plants were increased by 20%,130%,9.6%,3% respectively than non-inoculated plants under non-salt-alkaline stress conditions.While ferulic acid and salicylic acid were decreased by 59.1%,623.9%respectively than non-inoculated plants in natural conditions.(2)Under saltalkaline stress conditions,whether or not inoculation of AMF(arbuscular mycorrhizal fungi),the survival rate,plant height,biomass and soluble protein of alfalfa were decreased with the increase of salt-alkaline degrees.However the proline content,ferulic acid and salicylic acid content of alfalfa were increased.Thesurvival rate,plant height,total biomass,soluble protein and proline of inoculated plant were better than non-inoculated plants with significantly different.Salicylic acid content of inoculated plant was lower than that of non-inoculated plants with significantly different and higher levels of ferulic acid but the difference was not significant.In conclusion,under mixed salt-alkaline conditions,inoculated AMF can change the content of phenolic acids,accumulate osmotic regulation substances,promote the growth and improve saline-alkaline tolerance of alfalfa.It is important for improving economic crops in the salt-alkaline soil and promoting AMF play a role in production.
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Claims 12
Claim · model-written summary
AMF inoculation increased plant height by 20% without salt stress.
- Treatment
- inoculated plantse0
- Outcome
- plant heighte0
- Direction
- increasede0
- Value
- 20%e0
- Qualifier
- non-salt-alkaline stress conditionse0
- Comparator
- non-inoculated plantse0
Not reportedTaxon
Verbatim
e0“plant height,total biomass,soluble protein,proline content of inoculated plants were increased by 20%,130%,9.6%,3% respectively than non-inoculated plants under non-salt-alkaline stress conditions”
Claim · model-written summary
AMF inoculation increased biomass by 130% without salt stress.
- Treatment
- inoculated plantse0
- Outcome
- total biomasse0
- Direction
- increasede0
- Value
- 130%e0
- Comparator
- non-inoculated plantse0
Not reportedTaxon
Verbatim
e0“plant height,total biomass,soluble protein,proline content of inoculated plants were increased by 20%,130%,9.6%,3% respectively than non-inoculated plants under non-salt-alkaline stress conditions”
Claim · model-written summary
AMF inoculation increased soluble protein by 9.6% without salt stress.
- Treatment
- inoculated plantse0
- Outcome
- soluble proteine0
- Direction
- increasede0
- Value
- 9.6%e0
- Comparator
- non-inoculated plantse0
Not reportedTaxon
Verbatim
e0“plant height,total biomass,soluble protein,proline content of inoculated plants were increased by 20%,130%,9.6%,3% respectively than non-inoculated plants under non-salt-alkaline stress conditions”
Claim · model-written summary
AMF inoculation increased proline by 3% without salt stress.
- Treatment
- inoculated plantse0
- Outcome
- proline contente0
- Direction
- increasede0
- Value
- 3%e0
- Comparator
- non-inoculated plantse0
Not reportedTaxon
Verbatim
e0“plant height,total biomass,soluble protein,proline content of inoculated plants were increased by 20%,130%,9.6%,3% respectively than non-inoculated plants under non-salt-alkaline stress conditions”
Claim · model-written summary
AMF inoculation decreased ferulic acid by 59.1% under natural conditions.
Not reportedTaxonTreatment
Verbatim
e0“ferulic acid and salicylic acid were decreased by 59.1%,623.9%respectively than non-inoculated plants in natural conditions”
Claim · model-written summary
AMF inoculation decreased salicylic acid by 623.9% as reported.
Not reportedTaxonTreatment
Verbatim
e0“ferulic acid and salicylic acid were decreased by 59.1%,623.9%respectively than non-inoculated plants in natural conditions”
Claim · model-written summary
Increasing salt-alkaline stress reduced survival, height, biomass, and soluble protein regardless of inoculation.
- Taxon
- alfalfa
Medicago sativae0 - Treatment
- salt-alkaline degreese0
- Outcome
- survival rate,plant height,biomass and soluble proteine0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“whether or not inoculation of AMF(arbuscular mycorrhizal fungi),the survival rate,plant height,biomass and soluble protein of alfalfa were decreased with the increase of salt-alkaline degrees”
Claim · model-written summary
Increasing salt-alkaline stress raised proline, ferulic acid, and salicylic acid contents.
- Taxon
- alfalfaMedicago sativae0
- Outcome
- proline content,ferulic acid and salicylic acid contente0
- Direction
- increasede0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“proline content,ferulic acid and salicylic acid content of alfalfa were increased”
Claim · model-written summary
Inoculated plants had significantly better survival, height, biomass, soluble protein, and proline under stress.
- Treatment
- inoculated plante0
- Outcome
- survival rate,plant height,total biomass,soluble protein and prolinee0
- Direction
- bettere0
- Comparator
- non-inoculated plantse0
Not reportedTaxon
Verbatim
e0“survival rate,plant height,total biomass,soluble protein and proline of inoculated plant were better than non-inoculated plants with significantly different”
Claim · model-written summary
Inoculated plants had significantly lower salicylic acid content.
- Treatment
- inoculated plante0
- Outcome
- Salicylic acid contente0
- Direction
- lowere0
- Comparator
- non-inoculated plantse0
Not reportedTaxon
Verbatim
e0“Salicylic acid content of inoculated plant was lower than that of non-inoculated plants with significantly different”
Claim · model-written summary
Inoculated plants had higher ferulic acid, without a significant difference.
Not reportedTaxonTreatmentComparator
Verbatim
e0“higher levels of ferulic acid but the difference was not significant”
Claim · model-written summary
The authors conclude that AMF inoculation improves alfalfa salt-alkaline tolerance.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- inoculated AMFe0
- Outcome
- saline-alkaline tolerancee0
- Direction
- improvee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“inoculated AMF can change the content of phenolic acids,accumulate osmotic regulation substances,promote the growth and improve saline-alkaline tolerance of alfalfa”
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