Abstract
Abstract: Salinity is an important factor affecting crop production. Screening salt tolerant soybean germplasm is of great significance for the utilization of salinized soil in major soybean production regions. In order to select salt tolerant soybean, a screening method was developed by using six soybean accessions, including Zhonghuang 35, Zhonghuang 39, Williams 82, Tiefeng 8, Peking, and NY27-38. Seeds were grown in vermiculite and treated with 0, 100, and 150 mmol L-1 NaCl solution. Seedling rate (SR), plant height (H), fresh weight of shoot and root (FWS and FWR), dry weight of shoot and root (DWS and DWR) were decreased significantly under 150 mmol L-1 NaCl treatment, with significant difference among varieties. Therefore, 150 mmol L-1 NaCl was suitable to identify salt tolerant soybean at emergence stage. The salt tolerance index (SI) based on the growth and development of seedlings and the salt tolerance coefficient (ST) were significantly correlated with the salt tolerance. The method using salt tolerance index is non-destructive and does not require planting control, which could save time and labor in salt tolerant germplasm identification. Twenty-seven soybean resources were screened, in which three were highly tolerant (grade 1) and seven tolerant (grade 2) at emergence stage. Among them, Yundou 101, Zheng 1311, Wansu 1015, and Tiefeng 8 also showed salt tole at emergence stage. Among them, Yundou 101, Zheng 1311, Wansu 1015, and Tiefeng 8 also showed salt tolerance (grade 1) at seedling stage. In summary, an effective method for screening salt tolerant soybean at emergence stage was developed, with vermiculite as the substrate, 150 mmol L-1 NaCl as suitable treatment solution, and salt tolerance index as the indicator. Four soybean accessions were found to be salt tolerant at both emergence and seedling stages. This screening method will be useful for identification of salt tolerant soybean germplasm.
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Claims 11
Claim · model-written summary
The 150 mmol L-1 NaCl treatment significantly decreased seedling rate and plant height.
- Taxon
- soybean
Glycine maxt0 - Treatment
- 150 mmol L-1 NaCl treatmente0
- Outcome
- Seedling rate (SR), plant height (H)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seedling rate (SR), plant height (H), fresh weight of shoot and root (FWS and FWR), dry weight of shoot and root (DWS and DWR) were decreased significantly under 150 mmol L-1 NaCl treatment”
t0“soybean”
Claim · model-written summary
The 150 mmol L-1 NaCl treatment significantly decreased fresh shoot and root weight.
- Taxon
- soybeanGlycine maxt0
- Treatment
- 150 mmol L-1 NaCl treatmente0
- Outcome
- fresh weight of shoot and root (FWS and FWR)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fresh weight of shoot and root (FWS and FWR), dry weight of shoot and root (DWS and DWR) were decreased significantly under 150 mmol L-1 NaCl treatment”
t0“soybean”
Claim · model-written summary
The 150 mmol L-1 NaCl treatment significantly decreased dry shoot and root weight.
- Taxon
- soybeanGlycine maxt0
- Treatment
- 150 mmol L-1 NaCl treatmente0
- Outcome
- dry weight of shoot and root (DWS and DWR)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry weight of shoot and root (DWS and DWR) were decreased significantly under 150 mmol L-1 NaCl treatment”
t0“soybean”
Claim · model-written summary
Soybean varieties differed significantly in their response to 150 mmol L-1 NaCl.
- Taxon
- soybeanGlycine maxt0
- Outcome
- difference among varietiese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with significant difference among varieties”
t0“soybean”
Claim · model-written summary
150 mmol L-1 NaCl was judged suitable for identifying salt-tolerant soybean at emergence.
- Taxon
- soybeanGlycine maxt0
- Treatment
- 150 mmol L-1 NaCle0
- Outcome
- identify salt tolerant soybean at emergence stagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“150 mmol L-1 NaCl was suitable to identify salt tolerant soybean at emergence stage”
t0“soybean”
Claim · model-written summary
The seedling salt tolerance index and salt tolerance coefficient were significantly correlated with salt tolerance.
- Taxon
- soybeanGlycine maxt0
- Outcome
- salt tolerancee0
- Comparator
- salt tolerance index (SI)e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The salt tolerance index (SI) based on the growth and development of seedlings and the salt tolerance coefficient (ST) were significantly correlated with the salt tolerance”
t0“soybean”
Claim · model-written summary
The salt tolerance index method was non-destructive and required no control planting.
- Taxon
- soybeanGlycine maxt0
- Outcome
- non-destructive and does not require planting controle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The method using salt tolerance index is non-destructive and does not require planting control”
t0“soybean”
Claim · model-written summary
The emergence-stage screen identified three highly tolerant soybean resources.
- Taxon
- soybeanGlycine maxe0
- Organ / stage
- emergence stagee0
- Outcome
- highly tolerant (grade 1)e0
- Value
- threee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Twenty-seven soybean resources were screened, in which three were highly tolerant (grade 1) and seven tolerant (grade 2) at emergence stage”
Claim · model-written summary
The emergence-stage screen identified seven tolerant soybean resources.
- Taxon
- soybeanGlycine maxe0
- Organ / stage
- emergence stagee0
- Outcome
- tolerant (grade 2)e0
- Value
- sevene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Twenty-seven soybean resources were screened, in which three were highly tolerant (grade 1) and seven tolerant (grade 2) at emergence stage”
Claim · model-written summary
Yundou 101, Zheng 1311 and Wansu 1015 showed grade 1 salt tolerance at seedling stage.
- Taxon
- soybeanGlycine maxt0
- Material
- Yundou 101, Zheng 1311, Wansu 1015e0
- Organ / stage
- seedling stagee0
- Outcome
- salt tolerance (grade 1)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yundou 101, Zheng 1311, Wansu 1015, and Tiefeng 8 also showed salt tolerance (grade 1) at seedling stage”
t0“soybean”
Claim · model-written summary
Tiefeng 8 showed grade 1 salt tolerance at seedling stage.
- Taxon
- soybeanGlycine maxt0
- Material
- Tiefeng 8e0
- Organ / stage
- seedling stagee0
- Outcome
- salt tolerance (grade 1)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tiefeng 8 also showed salt tolerance (grade 1) at seedling stage”
t0“soybean”
The same questions in other papers
sodium chloride · growth · Glycine max (soybean)Results differ
46 papers in the same direction as this paper · 11 in the opposite direction
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- positive
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See all 58 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.