Abstract
Seed vigor in soybean (Glycine max (L.) Merr.) declines under environmental stresses, and seed shows signs of aging. The aging effects may be alleviated, however, by seed priming with certain chemicals, such as salicylic acid (SA). The objective of this study was to investigate the effects of SA priming on activities of certain enzymes and lipid peroxidation in soybean seedlings under accelerated aging (AA) process. A factorial, completely randomized design with three replicates was used. Different aging durations (48 h and 72 h), SA priming solutions (0, 300 and 600 μM) and priming times (before aging, after aging and both before and after aging, i.e., double priming) were the experimental factors. Increasing aging duration significantly increased mean emergence time (MET) but decreased carotenoid content. Nonetheless, SA solution mitigated the adverse effect of seed deterioration on germination-related traits by increasing enzyme activity and reducing malondialdehyde (MDA) content, especially under double priming. A strong negative correlation (r = – 0.99**) was found between MDA content and chlorophyll a and chlorophyll b content. By contrast, the correlation between MDA content and MET (r = 0.95**) was found to be positive. The results suggested that double SA priming was an appropriate practical technique to improve seedling establishment from aged soybean seed.
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Claims 8
Claim · model-written summary
Longer aging duration significantly increased mean emergence time of soybean seed.
- Taxon
- soybean
Glycine maxe0 - Treatment
- aging duratione1
- Outcome
- mean emergence time (MET)e1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed vigor in soybean (Glycine max (L.) Merr.) declines under environmental stresses”
e1“Increasing aging duration significantly increased mean emergence time (MET) but decreased carotenoid content”
Claim · model-written summary
Longer aging duration decreased carotenoid content of soybean seed.
- Taxon
- soybeanGlycine maxe0
- Treatment
- aging duratione1
- Outcome
- carotenoid contente1
- Direction
- decreasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed vigor in soybean (Glycine max (L.) Merr.) declines under environmental stresses”
e1“Increasing aging duration significantly increased mean emergence time (MET) but decreased carotenoid content”
Claim · model-written summary
SA solution increased enzyme activity in aged soybean seedlings, especially under double priming.
- Taxon
- soybeanGlycine maxe0
- Treatment
- SA solutione2
- Outcome
- enzyme activitye2
- Direction
- increasinge2
- Qualifier
- especially under double priminge2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed vigor in soybean (Glycine max (L.) Merr.) declines under environmental stresses”
e2“SA solution mitigated the adverse effect of seed deterioration on germination-related traits by increasing enzyme activity and reducing malondialdehyde (MDA) content, especially under double priming”
Claim · model-written summary
SA solution reduced malondialdehyde (MDA) content in aged soybean seedlings, especially under double priming.
- Taxon
- soybeanGlycine maxe0
- Treatment
- SA solutione2
- Outcome
- malondialdehyde (MDA) contente2
- Direction
- reducinge2
- Qualifier
- especially under double priminge2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed vigor in soybean (Glycine max (L.) Merr.) declines under environmental stresses”
e2“SA solution mitigated the adverse effect of seed deterioration on germination-related traits by increasing enzyme activity and reducing malondialdehyde (MDA) content, especially under double priming”
Claim · model-written summary
SA solution mitigated the adverse effect of seed deterioration on germination-related traits of soybean.
- Taxon
- soybeanGlycine maxe0
- Treatment
- SA solutione2
- Outcome
- germination-related traitse2
- Direction
- mitigatede2
- Qualifier
- adverse effect of seed deterioratione2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed vigor in soybean (Glycine max (L.) Merr.) declines under environmental stresses”
e2“SA solution mitigated the adverse effect of seed deterioration on germination-related traits by increasing enzyme activity and reducing malondialdehyde (MDA) content, especially under double priming”
Claim · model-written summary
MDA content showed a strong negative correlation with chlorophyll a and chlorophyll b content in soybean seedlings.
- Taxon
- soybeanGlycine maxe0
- Compound
- MDAe3
- Outcome
- chlorophyll a and chlorophyll b contente3
- Direction
- negative correlatione3
- Value
- r = – 0.99**e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed vigor in soybean (Glycine max (L.) Merr.) declines under environmental stresses”
e3“A strong negative correlation (r = – 0.99**) was found between MDA content and chlorophyll a and chlorophyll b content”
Claim · model-written summary
MDA content showed a positive correlation with mean emergence time of soybean seedlings.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed vigor in soybean (Glycine max (L.) Merr.) declines under environmental stresses”
e4“the correlation between MDA content and MET (r = 0.95**) was found to be positive”
Claim · model-written summary
Double SA priming is an appropriate practical technique to improve seedling establishment from aged soybean seed.
- Taxon
- soybeanGlycine maxe5
- Treatment
- double SA priminge5
- Outcome
- seedling establishmente5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“double SA priming was an appropriate practical technique to improve seedling establishment from aged soybean seed”
The same questions in other papers
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- positive
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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.