Abstract
Seeds of 12 soybean { Glycine max (L.) Merr.} varieties were equilibrated to 6% or 16% moisture before imbibition at cold (5 C) temperature, warm (25 C) temperature, or warm followed by exposure to cold. After imbibition, seeds were transferred to prewetted autoclaved soil mix in a greenhouse for 2 weeks. The number of seedlings surviving, height to apical bud, and dry weight of aerial parts without cotyledons were determined. Imbibition of low moisture seeds at 5 C caused reduction in survival, dry matter accumulation, and height of seedlings, but no reduction was observed with high moisture seeds. When low moisture seeds were imbibed at warm temperature before exposure to cold, no reduction was noted. The effect of initial seed moisture on sensitivity to chilling during imbibition was reversible. while some varieties were tolerant to cold imbibition of low moisture seeds, other varieties had up to 75% reduction in survival, 38% reduction in dry matter accumulation per seedling, and 50% reduction in plant height when compared to warm imbibition. Imbibition treatments which resulted in greatest seedling injury also decreased the capacity of seedlings to utilize cotyledonary reserves. Our results suggest that adjusting seed moisture to 16% before seeding could improve seedling establishment of soybean in cold soil.
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Claims 8
Claim · model-written summary
Imbibition of low moisture seeds at 5 C reduced seedling survival, dry matter accumulation and height, but high moisture seeds showed no reduction.
- Taxon
- soybean
Glycine maxe0 - Treatment
- Imbibition of low moisture seeds at 5 Ce1
- Outcome
- survival, dry matter accumulation, and heighte1
- Direction
- reductione1
- Comparator
- high moisture seedse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean { Glycine max (L.) Merr.} varieties”
e1“Imbibition of low moisture seeds at 5 C caused reduction in survival, dry matter accumulation, and height of seedlings, but no reduction was observed with high moisture seeds”
Claim · model-written summary
When low moisture seeds were imbibed at warm temperature before exposure to cold, no reduction was noted.
- Taxon
- soybeanGlycine maxe0
- Treatment
- imbibed at warm temperature before exposure to colde2
- Outcome
- reductione2
- Direction
- no reductione2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean { Glycine max (L.) Merr.} varieties”
e2“When low moisture seeds were imbibed at warm temperature before exposure to cold, no reduction was noted”
Claim · model-written summary
The effect of initial seed moisture on chilling sensitivity during imbibition was reversible.
- Taxon
- soybeanGlycine maxe0
- Treatment
- initial seed moisturee3
- Outcome
- sensitivity to chilling during imbibitione3
- Qualifier
- reversiblee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean { Glycine max (L.) Merr.} varieties”
e3“The effect of initial seed moisture on sensitivity to chilling during imbibition was reversible”
Claim · model-written summary
Some varieties were tolerant of cold imbibition of low moisture seeds, while other varieties lost up to 75% of seedling survival relative to warm imbibition.
- Taxon
- soybeanGlycine maxe0
- Material
- other varietiese4
- Treatment
- cold imbibition of low moisture seedse5
- Outcome
- survivale4
- Direction
- reductione4
- Value
- 75%e4
- Qualifier
- up toe4
- Comparator
- warm imbibitione4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean { Glycine max (L.) Merr.} varieties”
e4“other varieties had up to 75% reduction in survival, 38% reduction in dry matter accumulation per seedling, and 50% reduction in plant height when compared to warm imbibition”
e5“some varieties were tolerant to cold imbibition of low moisture seeds”
Claim · model-written summary
In the susceptible varieties, cold imbibition of low moisture seeds reduced dry matter accumulation per seedling by 38% relative to warm imbibition.
- Taxon
- soybeanGlycine maxe0
- Material
- other varietiese4
- Treatment
- cold imbibition of low moisture seedse5
- Outcome
- dry matter accumulation per seedlinge4
- Direction
- reductione4
- Value
- 38%e4
- Comparator
- warm imbibitione4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean { Glycine max (L.) Merr.} varieties”
e4“other varieties had up to 75% reduction in survival, 38% reduction in dry matter accumulation per seedling, and 50% reduction in plant height when compared to warm imbibition”
e5“some varieties were tolerant to cold imbibition of low moisture seeds”
Claim · model-written summary
In the susceptible varieties, cold imbibition of low moisture seeds reduced plant height by 50% relative to warm imbibition.
- Taxon
- soybeanGlycine maxe0
- Material
- other varietiese4
- Treatment
- cold imbibition of low moisture seedse5
- Outcome
- plant heighte4
- Direction
- reductione4
- Value
- 50%e4
- Comparator
- warm imbibitione4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean { Glycine max (L.) Merr.} varieties”
e4“other varieties had up to 75% reduction in survival, 38% reduction in dry matter accumulation per seedling, and 50% reduction in plant height when compared to warm imbibition”
e5“some varieties were tolerant to cold imbibition of low moisture seeds”
Claim · model-written summary
Imbibition treatments causing the greatest seedling injury also decreased the capacity of seedlings to use cotyledonary reserves.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Imbibition treatments which resulted in greatest seedling injurye5
- Outcome
- capacity of seedlings to utilize cotyledonary reservese5
- Direction
- decreasede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean { Glycine max (L.) Merr.} varieties”
e5“Imbibition treatments which resulted in greatest seedling injury also decreased the capacity of seedlings to utilize cotyledonary reserves”
Claim · model-written summary
Adjusting seed moisture to 16% before seeding could improve soybean seedling establishment in cold soil.
- Taxon
- soybeanGlycine maxe0
- Treatment
- adjusting seed moisture to 16%e6
- Outcome
- seedling establishmente6
- Setting
- cold soile6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean { Glycine max (L.) Merr.} varieties”
e6“Our results suggest that adjusting seed moisture to 16% before seeding could improve seedling establishment of soybean in cold soil”
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See all 18 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.