Abstract
• The adverse effects of salt stress on the germination of sugar beet seeds, the growth of seedlings, as well as the physiological and biochemical aspects. • Seed priming with Na₂SeO₃ can enhance the germination rate and vigor level of sugar beet seeds under salt stress. • Seed priming with Na₂SeO₃ can activate the defense mechanism of sugar beet to alleviate the damage caused by salt stress. • Rhizosphere soil microorganisms play an important role in increasing plant growth parameters under salt stress. Globally, the problem of soil salinization is becoming increasingly severe, posing a serious threat to agricultural production and food security. Sugar beet, as an important sugar - producing crop, is extremely sensitive to salt stress during the seed germination and seedling growth stages. Existing studies have shown that the priming treatment with Na₂SeO₃ has certain potential in coping with salt stress. This study aimed to explore the effects of the Na₂SeO₃ priming treatment on the germination of sugar beet seeds, the growth of seedlings, and the structure of rhizosphere soil microorganisms under salt stress conditions during germination and pot - planting. The research results indicated that salt stress significantly inhibited the germination of sugar beet seeds and the growth of seedlings, reduced the content of photosynthetic pigments, disrupted the ion balance, and increased the degree of membrane lipid peroxidation. However, the priming treatment with Na₂SeO₃ could effectively alleviate these negative effects. Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃ could accelerate seed germination, improve the seed vitality level, promote seedling growth, increase the content of photosynthetic pigments, improve the ion balance, increase the contents of soluble sugars and soluble proteins, reduce the content of malondialdehyde (MDA), and enhance the activities of antioxidant enzymes. In addition, the study also found that the Na₂SeO₃ priming treatment had a positive regulatory effect on the structure of the rhizosphere soil microbial community. Within a certain concentration range, Na₂SeO₃ could increase the number of microbial species in the rhizosphere soil and significantly enhance the richness and evenness of the community. Under different treatments, the composition of the rhizosphere microbial community showed obvious differences, and there were significant correlations between some dominant genera and plant physiological indicators. In conclusion, the priming treatment with an appropriate concentration of Na₂SeO₃ could significantly enhance the tolerance of sugar beet seeds and seedlings to salt stress, optimize the structure of the rhizosphere microbial community, providing a scientific basis for salt - tolerance research of sugar beets and the screening and development of seed coating agents.
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Claims 18
Claim · model-written summary
Salt stress significantly inhibited germination and seedling growth of sugar beet.
- Taxon
- sugar beet
Beta vulgaris subsp. vulgarise2 - Organ / stage
- seedse2
- Treatment
- salt stresse2
- Outcome
- germination of sugar beet seeds and the growth of seedlingse2
- Direction
- inhibitede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“salt stress significantly inhibited the germination of sugar beet seeds and the growth of seedlings”
Claim · model-written summary
Salt stress reduced the content of photosynthetic pigments in sugar beet.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise2
- Treatment
- salt stresse2
- Outcome
- content of photosynthetic pigmentse3
- Direction
- reducede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“salt stress significantly inhibited the germination of sugar beet seeds and the growth of seedlings”
e3“reduced the content of photosynthetic pigments”
Claim · model-written summary
Salt stress disrupted the ion balance of sugar beet.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise2
- Treatment
- salt stresse2
- Outcome
- ion balancee4
- Direction
- disruptede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“salt stress significantly inhibited the germination of sugar beet seeds and the growth of seedlings”
e4“disrupted the ion balance”
Claim · model-written summary
Salt stress increased the degree of membrane lipid peroxidation in sugar beet.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise2
- Treatment
- salt stresse2
- Outcome
- degree of membrane lipid peroxidatione5
- Direction
- increasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“salt stress significantly inhibited the germination of sugar beet seeds and the growth of seedlings”
e5“increased the degree of membrane lipid peroxidation”
Claim · model-written summary
Na2SeO3 priming could alleviate the negative effects of salt stress on sugar beet.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- priming treatment with Na₂SeO₃e6
- Outcome
- negative effectse6
- Direction
- alleviatee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e6“However, the priming treatment with Na₂SeO₃ could effectively alleviate these negative effects”
Claim · model-written summary
Appropriate Na2SeO3 concentrations (20 μM and 30 μM) accelerated seed germination of sugar beet.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃e7
- Outcome
- seed germinatione7
- Direction
- acceleratee7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e7“Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃ could accelerate seed germination”
Claim · model-written summary
Appropriate Na2SeO3 concentrations (20 μM and 30 μM) improved seed vitality level of sugar beet.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃e7
- Outcome
- seed vitality levele6
- Direction
- improvee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e7“Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃ could accelerate seed germination”
e6“improve the seed vitality level”
Claim · model-written summary
Appropriate Na2SeO3 concentrations (20 μM and 30 μM) promoted seedling growth of sugar beet.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃e7
- Outcome
- seedling growthe6
- Direction
- promotee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e7“Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃ could accelerate seed germination”
e6“promote seedling growth”
Claim · model-written summary
Appropriate Na2SeO3 concentrations (20 μM and 30 μM) increased the content of photosynthetic pigments in sugar beet.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃e7
- Outcome
- content of photosynthetic pigmentse6
- Direction
- increasee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e7“Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃ could accelerate seed germination”
e6“increase the content of photosynthetic pigments”
Claim · model-written summary
Appropriate Na2SeO3 concentrations (20 μM and 30 μM) improved the ion balance of sugar beet.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃e7
- Outcome
- ion balancee6
- Direction
- improvee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e7“Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃ could accelerate seed germination”
e6“improve the ion balance”
Claim · model-written summary
Appropriate Na2SeO3 concentrations (20 μM and 30 μM) increased soluble sugar and soluble protein contents of sugar beet.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃e7
- Outcome
- contents of soluble sugars and soluble proteinse6
- Direction
- increasee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e7“Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃ could accelerate seed germination”
e6“increase the contents of soluble sugars and soluble proteins”
Claim · model-written summary
Appropriate Na2SeO3 concentrations (20 μM and 30 μM) reduced malondialdehyde content in sugar beet.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃e7
- Outcome
- content of malondialdehyde (MDA)e6
- Direction
- reducee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e7“Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃ could accelerate seed germination”
e6“reduce the content of malondialdehyde (MDA)”
Claim · model-written summary
Appropriate Na2SeO3 concentrations (20 μM and 30 μM) enhanced the activities of antioxidant enzymes in sugar beet.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃e7
- Outcome
- activities of antioxidant enzymese6
- Direction
- enhancee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e7“Appropriate concentrations (20 μM and 30 μM) of Na₂SeO₃ could accelerate seed germination”
e6“enhance the activities of antioxidant enzymes”
Claim · model-written summary
Na2SeO3 within a certain concentration range increased the number of microbial species in rhizosphere soil.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Na₂SeO₃e1
- Outcome
- number of microbial speciese1
- Direction
- increasee1
- Setting
- rhizosphere soile1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e1“Within a certain concentration range, Na₂SeO₃ could increase the number of microbial species in the rhizosphere soil”
Claim · model-written summary
Na2SeO3 significantly enhanced the richness and evenness of the rhizosphere microbial community.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Na₂SeO₃e1
- Outcome
- richness and evenness of the communitye2
- Direction
- enhancee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e1“Within a certain concentration range, Na₂SeO₃ could increase the number of microbial species in the rhizosphere soil”
e2“significantly enhance the richness and evenness of the community”
Claim · model-written summary
The composition of the rhizosphere microbial community showed obvious differences among treatments.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Under different treatmentse1
- Outcome
- composition of the rhizosphere microbial communitye1
- Qualifier
- showed obvious differencese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e1“Under different treatments, the composition of the rhizosphere microbial community showed obvious differences”
Claim · model-written summary
Some dominant rhizosphere genera correlated significantly with plant physiological indicators.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Interactor
- dominant generae1other
- Outcome
- plant physiological indicatorse1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e1“there were significant correlations between some dominant genera and plant physiological indicators”
Claim · model-written summary
Na2SeO3 priming had a positive regulatory effect on the structure of the rhizosphere microbial community.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Na₂SeO₃ priming treatmente1
- Outcome
- structure of the rhizosphere soil microbial communitye1
- Qualifier
- positive regulatory effecte1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet (Beta vulgaris L.)”
e1“the Na₂SeO₃ priming treatment had a positive regulatory effect on the structure of the rhizosphere soil microbial community”
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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.