Abstract
BACKGROUND: Bermudagrass (Cynodon dactylon) has a long history as an excellent forage grass, and salt stress will inhibit its growth and development. In order to minimize the damage, it is necessary to continuously develop innovative technologies and management strategies. RESULTS: This study evaluated the salt tolerance of new Bermudagrass strains 'FB2019R101' and 'FB2019R105' compared to commercial varieties 'Wrangler' and 'A12359' under simulated soil salinity conditions through seawater irrigation. Through correlation analysis of growth, physiological, and nutritional indicators, and principal component analysis, core indicators and weights for salt tolerance evaluation were identified. The salt-tolerant varieties were 'FB2019R101' and 'FB2019R105'. Under salinity stress, the plants of Bermudagrass varieties with salt tolerance suffered less damage as a whole, which could better regulate the osmotic balance inside and outside cells, accumulate more nutrients and have stronger ability to resist salt damage. The expression level of salt-tolerant variety CdCINV1, CdSPS1, CdSUS5, and CdSWEET6 was up-regulated under salt stress. CdCINV1, CdSPS1, CdSUS5 can promote the transformation of sucrose into glucose and fructose in Bermudagrass under salt stress, and CdSWEET6 can promote the accumulation of fructose. CONCLUSIONS: 'FB2019R101' and 'FB2019R105' exhibited higher salt tolerance, with minimal impact on their biomass, physiological, and nutritional indicators under salt stress. The comprehensive evaluation revealed a salt tolerance ranking of 'FB2019R105' > 'FB2019R101' > 'Wrangler' > 'A12359'. This study provides significant reference for the bioremediation of coastal saline soils and promotes research on the application of Bermudagrass under salt stress conditions. CdCINV1, CdSPS1, CdSUS5, and CdSWEET6 can improve the salt tolerance of plants by regulating the changes of carbohydrates.
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Claims 12
Claim · model-written summary
'FB2019R101' and 'FB2019R105' were salt-tolerant varieties.
- Taxon
- Bermudagrass
Cynodon dactylont0 - Material
- 'FB2019R101' and 'FB2019R105'e0
- Outcome
- salt-tolerant varietiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The salt-tolerant varieties were 'FB2019R101' and 'FB2019R105'”
t0“Bermudagrass”
Claim · model-written summary
Salt-tolerant varieties suffered less overall damage under salinity stress.
- Taxon
- BermudagrassCynodon dactylone0
- Treatment
- salinity stresse0
- Outcome
- damagee0
- Direction
- lesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under salinity stress, the plants of Bermudagrass varieties with salt tolerance suffered less damage as a whole”
Claim · model-written summary
Salt-tolerant varieties regulated osmotic balance better under salinity stress.
- Taxon
- BermudagrassCynodon dactylont0
- Outcome
- osmotic balance inside and outside cellse0
- Direction
- bettere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“which could better regulate the osmotic balance inside and outside cells”
t0“Bermudagrass”
Claim · model-written summary
Salt-tolerant varieties accumulated more nutrients under salinity stress.
- Taxon
- BermudagrassCynodon dactylont0
- Outcome
- nutrientse0
- Direction
- moree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“accumulate more nutrients”
t0“Bermudagrass”
Claim · model-written summary
Salt-tolerant varieties had stronger resistance to salt damage.
- Taxon
- BermudagrassCynodon dactylont0
- Outcome
- ability to resist salt damagee0
- Direction
- strongere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“have stronger ability to resist salt damage”
t0“Bermudagrass”
Claim · model-written summary
CdCINV1, CdSPS1 and CdSUS5 expression was up-regulated under salt stress.
- Taxon
- BermudagrassCynodon dactylont0
- Treatment
- salt stresse0
- Gene
- CdCINV1, CdSPS1, CdSUS5e0
- Outcome
- expression levele0
- Direction
- up-regulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The expression level of salt-tolerant variety CdCINV1, CdSPS1, CdSUS5, and CdSWEET6 was up-regulated under salt stress”
t0“Bermudagrass”
Claim · model-written summary
CdSWEET6 expression was up-regulated under salt stress.
- Taxon
- BermudagrassCynodon dactylont0
- Treatment
- salt stresse0
- Gene
- CdSWEET6e0
- Outcome
- expression levele0
- Direction
- up-regulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The expression level of salt-tolerant variety CdCINV1, CdSPS1, CdSUS5, and CdSWEET6 was up-regulated under salt stress”
t0“Bermudagrass”
Claim · model-written summary
CdCINV1, CdSPS1 and CdSUS5 can promote conversion of sucrose into glucose and fructose under salt stress.
- Taxon
- BermudagrassCynodon dactylone0
- Treatment
- salt stresse0
- Gene
- CdCINV1, CdSPS1, CdSUS5e0
- Outcome
- transformation of sucrose into glucose and fructosee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CdCINV1, CdSPS1, CdSUS5 can promote the transformation of sucrose into glucose and fructose in Bermudagrass under salt stress”
Claim · model-written summary
CdSWEET6 can promote fructose accumulation.
- Taxon
- BermudagrassCynodon dactylont0
- Gene
- CdSWEET6e0
- Outcome
- accumulation of fructosee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CdSWEET6 can promote the accumulation of fructose”
t0“Bermudagrass”
Claim · model-written summary
'FB2019R101' and 'FB2019R105' had minimal biomass, physiological and nutritional impacts under salt stress.
- Taxon
- BermudagrassCynodon dactylont0
- Material
- 'FB2019R101' and 'FB2019R105'e0
- Treatment
- salt stresse0
- Outcome
- biomass, physiological, and nutritional indicatorse0
- Direction
- minimal impacte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“'FB2019R101' and 'FB2019R105' exhibited higher salt tolerance, with minimal impact on their biomass, physiological, and nutritional indicators under salt stress”
t0“Bermudagrass”
Claim · model-written summary
Salt tolerance ranked FB2019R105 above FB2019R101 above Wrangler above A12359.
- Taxon
- BermudagrassCynodon dactylont0
- Material
- 'FB2019R105'e0
- Outcome
- salt tolerance rankinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salt tolerance ranking of 'FB2019R105' > 'FB2019R101' > 'Wrangler' > 'A12359'”
t0“Bermudagrass”
Claim · model-written summary
CdCINV1, CdSPS1, CdSUS5 and CdSWEET6 can improve salt tolerance through carbohydrate changes.
- Taxon
- BermudagrassCynodon dactylont0
- Gene
- CdCINV1, CdSPS1, CdSUS5, and CdSWEET6e0
- Outcome
- salt tolerance of plantse0
- Qualifier
- regulating the changes of carbohydratese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CdCINV1, CdSPS1, CdSUS5, and CdSWEET6 can improve the salt tolerance of plants by regulating the changes of carbohydrates”
t0“Bermudagrass”
The same questions in other papers
salinity · pest · Cynodon dactylon (Bermuda grass)Positive and negative results
1 in the opposite direction
- negative
salinity · growth · Cynodon dactylon (Bermuda grass)Positive and negative results
5 papers in the same direction as this paper · 8 in the opposite direction
- positive
- negative
- negative
10 papers more in this group
See all 14 papers →salinity · molecular: expression · Cynodon dactylon (Bermuda grass)Results agree
1 paper in the same direction as this paper
- positive
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.