Abstract
ABSTRACT Genotypic differences for canopy wilting have been reported for soybean [ Glycine max (L.) Merr.], but no wilting data have been published, and mechanisms for differences remain unresolved. In field studies in 2002 and 2003, differences for wilting among 19 genotypes were consistent across years. Plant introductions (PI 416937 and PI 471938) were among the slowest wilting genotypes, and breeding lines (93705‐34 and 93705‐95) were among the fastest wilting. Row spacing (18 vs. 80 cm wide) did not affect wilting, indicating that lateral rooting did not contribute to genotypic differences. In a separate field study, volumetric soil water content at 15‐ and 50‐cm depths was generally greater for slow‐wilting PI 416937 than for fast‐wilting 93705‐95. Wilting for both genotypes responded similarly to soil water content ( r 2 = 0.63–0.74). In a growth chamber study, transpiration declined similarly for fast‐ and slow‐wilting genotypes in response to soil water deficit. Wilting response to soil water was the same for slow‐wilting PI 416937 and fast‐wilting genotypes 93705‐34 and A5959. Slow‐wilting 93705‐36 began wilting at a lower soil water content than did PI416937, 93705‐34, and A5959, indicating that more than one mechanism may be responsible for slow wilting.
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Claims 12
Claim · model-written summary
Wilting differences among 19 soybean genotypes are consistent across years.
- Taxon
- soybean
Glycine maxe0 - Material
- 19 genotypese1
- Outcome
- wiltinge1
- Qualifier
- consistent across yearse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“differences for wilting among 19 genotypes were consistent across years”
Claim · model-written summary
Plant introduction PI 416937 is among the slowest-wilting genotypes.
- Taxon
- soybeanGlycine maxe0
- Material
- PI 416937e1
- Outcome
- wiltinge1
- Direction
- sloweste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“Plant introductions (PI 416937 and PI 471938) were among the slowest wilting genotypes”
Claim · model-written summary
Plant introduction PI 471938 is among the slowest-wilting genotypes.
- Taxon
- soybeanGlycine maxe0
- Material
- PI 471938e1
- Outcome
- wiltinge1
- Direction
- sloweste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“Plant introductions (PI 416937 and PI 471938) were among the slowest wilting genotypes”
Claim · model-written summary
Breeding line 93705‐34 is among the fastest-wilting genotypes.
- Taxon
- soybeanGlycine maxe0
- Material
- 93705‐34e1
- Outcome
- wiltinge1
- Direction
- fasteste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“breeding lines (93705‐34 and 93705‐95) were among the fastest wilting”
Claim · model-written summary
Breeding line 93705‐95 is among the fastest-wilting genotypes.
- Taxon
- soybeanGlycine maxe0
- Material
- 93705‐95e1
- Outcome
- wiltinge1
- Direction
- fasteste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“breeding lines (93705‐34 and 93705‐95) were among the fastest wilting”
Claim · model-written summary
Row spacing of 18 versus 80 cm does not affect soybean wilting.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Row spacinge1
- Outcome
- wiltinge1
- Direction
- did not affecte1
- Comparator
- 18 vs. 80 cm widee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“Row spacing (18 vs. 80 cm wide) did not affect wilting, indicating that lateral rooting did not contribute to genotypic differences”
Claim · model-written summary
Lateral rooting does not contribute to genotypic differences in soybean wilting.
- Taxon
- soybeanGlycine maxe0
- Outcome
- genotypic differencese1
- Qualifier
- lateral rootinge1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“Row spacing (18 vs. 80 cm wide) did not affect wilting, indicating that lateral rooting did not contribute to genotypic differences”
Claim · model-written summary
Volumetric soil water content at 15 and 50 cm is generally greater for slow-wilting PI 416937 than for fast-wilting 93705‐95 in the field.
- Taxon
- soybeanGlycine maxe0
- Material
- PI 416937e1
- Outcome
- volumetric soil water contente1
- Direction
- greatere1
- Comparator
- 93705‐95e1
- Setting
- field studye2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“volumetric soil water content at 15‐ and 50‐cm depths was generally greater for slow‐wilting PI 416937 than for fast‐wilting 93705‐95”
e2“In a separate field study”
Claim · model-written summary
Wilting response to soil water is the same for slow-wilting PI 416937 and fast-wilting genotypes 93705‐34 and A5959.
- Taxon
- soybeanGlycine maxe0
- Treatment
- soil watere1
- Outcome
- Wilting responsee1
- Direction
- was the samee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“Wilting response to soil water was the same for slow”
Claim · model-written summary
Slow-wilting genotype 93705‐36 begins wilting at a lower soil water content than PI416937.
- Taxon
- soybeanGlycine maxe0
- Treatment
- soil water contente1
- Outcome
- began wiltinge1
- Direction
- lowere1
- Comparator
- PI416937e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“began wilting at a lower soil water content than did PI416937”
Claim · model-written summary
More than one mechanism may be responsible for slow wilting in soybean.
- Taxon
- soybeanGlycine maxe0
- Outcome
- slow wiltinge1
- Qualifier
- more than one mechanisme1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“indicating that more than one mechanism may be responsible for slow wilting”
Claim · model-written summary
Transpiration declines similarly for fast- and slow-wilting genotypes in response to soil water deficit in a growth chamber.
- Taxon
- soybeanGlycine maxe0
- Treatment
- soil water deficite2
- Outcome
- transpiratione1
- Direction
- declinede1
- Setting
- growth chambere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic differences for canopy wilting have been reported for soybean”
e1“In a growth chamber study, transpiration declined similarly”
e2“in response to soil water deficit”
The same questions in other papers
density · disease · Glycine max (soybean)Positive and negative results
7 papers in the same direction as this paper · 4 in the opposite direction
- positive
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8 papers more in this group
See all 12 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.