Abstract
In glasshouse trials, soyabeans were grown from seeds irradiated with X-rays at intensities of 250, 500, 1000 or 2000 rad under continuous light, or after the first 3 weeks were exposed to 7 short-day cycles (8-h light/16-h darkness) and were then returned to continuous light. X-ray irradiation stimulated floral initiation only under short-day conditions. In a 2nd trial, seeds of 2 sorghum cv. and their hybrid were irradiated with X-rays at the same intensities as the soyabeans and were grown under natural daylength conditions in summer. Flowering was accelerated at all rates of irradiation in the hybrid, but was retarded except at 250 rad in 1 parent and at 2000 rad in the other. Irradiation at 250 and 1000 rad, but not at 500 and 2000 rad, increased plant height of the hybrid.
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Claims 5
Claim · model-written summary
Irradiation stimulated soybean floral initiation only under short days.
- Taxon
- soyabeanse1
- Treatment
- X-ray irradiatione0
- Outcome
- floral initiatione0
- Direction
- stimulatede0
- Qualifier
- only under short-day conditionse0
Not reportedComparator
Verbatim
e0“X-ray irradiation stimulated floral initiation only under short-day conditions”
e1“In glasshouse trials, soyabeans were grown from seeds irradiated with X-rays”
Claim · model-written summary
Irradiation accelerated flowering at every tested rate in the sorghum hybrid.
SorghumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flowering was accelerated at all rates of irradiation in the hybrid, but was retarded except at 250 rad in 1 parent and at 2000 rad in the other”
e1“seeds of 2 sorghum cv. and their hybrid”
Claim · model-written summary
Irradiation generally retarded flowering in 1 parent except at except at 250 rad.
- Material
- 1 parente0
- Treatment
- irradiatione0
- Outcome
- Floweringe0
- Direction
- retardede0
- Qualifier
- except at 250 rade0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flowering was accelerated at all rates of irradiation in the hybrid, but was retarded except at 250 rad in 1 parent and at 2000 rad in the other”
e1“seeds of 2 sorghum cv. and their hybrid”
Claim · model-written summary
Irradiation generally retarded flowering in the other except at at 2000 rad.
- Material
- the othere0
- Treatment
- irradiatione0
- Outcome
- Floweringe0
- Direction
- retardede0
- Qualifier
- at 2000 rade0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flowering was accelerated at all rates of irradiation in the hybrid, but was retarded except at 250 rad in 1 parent and at 2000 rad in the other”
e1“seeds of 2 sorghum cv. and their hybrid”
Claim · model-written summary
Irradiation at 250 and 1000 rad increased hybrid height.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irradiation at 250 and 1000 rad, but not at 500 and 2000 rad, increased plant height of the hybrid”
e1“seeds of 2 sorghum cv. and their hybrid”
The same questions in other papers
radiation · growth · SorghumResults differ
3 papers in the same direction as this paper · 6 in the opposite direction
- negative
- no effect
- negative
6 papers more in this group
See all 10 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.