Abstract
An achlorophyllous lethal‐yellow (LY) soybean mutant was demonstrated to be capable of survival when provided with a suitable carbon source. In this study the carbon source was a normally pigmented soybean plant to which the LY was grafted. When grafted to a green plant the LY grew to maturity and produced viable seeds. Under moderate to high light intensities the LY leaves possessed virtually no chlorophyll; however, under low levels of continuous illumination the chlorophyll content of LY leaves increased greatly and these leaves were then capable of limited photosynthetic activity. Under the low‐light conditions, LY plants could survive, independent of grafting, for several weeks. A major genetic difference in the LY when compared to its chlorophyllous counterparts appears to be a tendency for rapid chlorophyll degradation rather than inability to synthesize it.
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Claims 7
Claim · model-written summary
Grafted lethal yellow soybean survived to maturity.
- Taxon
- soybean
Glycine maxe1 - Material
- lethal‐yellow (LY)e1
- Treatment
- grafted to a green plante0
- Outcome
- grew to maturitye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When grafted to a green plant the LY grew to maturity and produced viable seeds”
e1“An achlorophyllous lethal‐yellow (LY) soybean mutant”
Claim · model-written summary
Grafted lethal yellow soybean produced viable seeds.
- Taxon
- soybeanGlycine maxe1
- Material
- lethal‐yellow (LY)e1
- Treatment
- grafted to a green plante0
- Outcome
- produced viable seedse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When grafted to a green plant the LY grew to maturity and produced viable seeds”
e1“An achlorophyllous lethal‐yellow (LY) soybean mutant”
Claim · model-written summary
Lethal yellow soybean leaves had virtually no chlorophyll under moderate to high light.
- Taxon
- soybeanGlycine maxe1
- Material
- lethal‐yellow (LY)e1
- Organ / stage
- leavese0
- Outcome
- virtually no chlorophylle0
- Setting
- moderate to high light intensitiese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under moderate to high light intensities the LY leaves possessed virtually no chlorophyll”
e1“An achlorophyllous lethal‐yellow (LY) soybean mutant”
Claim · model-written summary
Low continuous light greatly increased chlorophyll content in lethal yellow soybean leaves.
- Taxon
- soybeanGlycine maxe1
- Material
- lethal‐yellow (LY)e1
- Treatment
- low levels of continuous illuminatione0
- Outcome
- chlorophyll content of LY leavese0
- Direction
- increased greatlye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“under low levels of continuous illumination the chlorophyll content of LY leaves increased greatly”
e1“An achlorophyllous lethal‐yellow (LY) soybean mutant”
Claim · model-written summary
Lethal yellow soybean leaves under low light had limited photosynthetic activity.
- Taxon
- soybeanGlycine maxe2
- Material
- lethal‐yellow (LY)e2
- Organ / stage
- leavese0
- Outcome
- limited photosynthetic activitye0
- Setting
- low levels of continuous illuminatione1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“these leaves were then capable of limited photosynthetic activity”
e1“under low levels of continuous illumination the chlorophyll content of LY leaves increased greatly”
e2“An achlorophyllous lethal‐yellow (LY) soybean mutant”
Claim · model-written summary
Lethal yellow soybean plants under low light survived without grafting for several weeks.
- Taxon
- soybeanGlycine maxe1
- Material
- lethal‐yellow (LY)e1
- Outcome
- could survive, independent of graftinge0
- Qualifier
- for several weekse0
- Setting
- low‐light conditionse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the low‐light conditions, LY plants could survive, independent of grafting, for several weeks”
e1“An achlorophyllous lethal‐yellow (LY) soybean mutant”
Claim · model-written summary
The lethal yellow soybean mutant apparently differed from chlorophyllous plants by rapid chlorophyll degradation rather than inability to synthesize it.
- Taxon
- soybeanGlycine maxe1
- Material
- lethal‐yellow (LY)e1
- Outcome
- rapid chlorophyll degradatione0
- Qualifier
- rather than inability to synthesize ite0
- Comparator
- chlorophyllous counterpartse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A major genetic difference in the LY when compared to its chlorophyllous counterparts appears to be a tendency for rapid chlorophyll degradation rather than inability to synthesize it”
e1“An achlorophyllous lethal‐yellow (LY) soybean mutant”
The same questions in other papers
grafting · phenology · Glycine max (soybean)Positive and negative results
1 in the opposite direction
- no effect
light · pest · Glycine max (soybean)Positive and negative results
3 papers in the same direction as this paper · 2 in the opposite direction
- no effect
- negative
- positive
2 papers more in this group
See all 6 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.